App Install

Measure app installation speed. This scenario has two roles:

  • minimal: Installs a simple app which implements initialisation callbacks but otherwise doesn't contain a lot of code.
  • large: Installs a larger app that contains some dependencies and some generated data as padding to make the bundle larger.

These are intended to catch a compilation slowdown or issues with copying around large WASMs (e.g. accidental cloning or tracing). In each case, the behaviour will uninstall the app it installed so that it can re-install it on the next iteration.

Started
Tue, 24 Mar 2026 16:27:19 UTC
Peer count
1
Peer count at end
1
Behaviours
  • minimal (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
app_install_minimal_23499303826
First install time
The time from conductor startup to completion of the first app installation attempt.
0.322431652s
Install app timing
The time taken to install an app.
mean 0.078928s (SD = 0.131713s) p50 0.061679s p95 0.132432s p99 0.224047s
Host Metrics
User CPU usage
CPU usage by user space
14.20%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 59.39 KiB/s < mean 371.14 KiB/s (SD = 758.64 KiB/s) < p952.46 MiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 16.73 KiB/s < mean 34.70 KiB/s (SD = 8.64 KiB/s) < p9546.01 KiB/s
Total bytes received
Total bytes received on primary network interface
count
97.86 MiB
mean
371.14 KiB/s
Total bytes sent
Total bytes sent on primary network interface
count
9.15 MiB
mean
34.70 KiB/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 1753.16 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
NotDetected
System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 12.03% < mean 16.79% (SD = 2.17%) < p95 19.12%
System
2.59%
CPU percentiles
CPU usage percentiles
p50
17.86%
p95
19.12%
p99
19.12%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
0 hosts
mean time
0.00s
Memory used percentage
Percentage of memory used
p5 9.97% < mean 18.46% (SD = 3.93%) < p95 21.84%
Memory available percentage
Percentage of available memory
p5 78.16% < mean 81.54% (SD = 3.93%) < p95 90.03%
Max host memory used
Maximum memory usage percentage across all hosts
max 18.46%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 8.62%
Memory growth rate
Rate of memory growth over time
growth 1753.16MB/s
Disk read throughput
Disk read throughput in MB/s
1.77MB/s
Disk write throughput
Disk write throughput in MB/s
25.93MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /
0/1hosts
Mount Point /nix/store
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
1.41
5 min
0.67
15 min
0.27
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.143% (SD = 0.2796%) < p95 0.7233%
60 second average
0.1090%
300 second average
0.0407%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.2357% (SD = 0.2989%) < p95 0.9033%
60 second average
0.1723%
300 second average
0.0710%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.2357% (SD = 0.2989%) < p95 0.9033%
60 second average
0.1723%
300 second average
0.0710%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0.19% < mean 4.5463% (SD = 4.1527%) < p95 12.5733%
60 second average
3.7433%
300 second average
1.5493%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0.19% < mean 4.466% (SD = 4.0914%) < p95 12.35%
60 second average
3.6773%
300 second average
1.5210%
Holochain process CPU usage
CPU usage by Holochain process
p5 0.43% < mean 9.42% (SD = 7.14%) < p95 17.59%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 227.99 KiB < mean 884.61 KiB (SD = 739.69 KiB) < p952.01 MiB
Holochain process threads
Number of threads in Holochain process
p5 22.33 threads < mean 24.8 threads (SD = 2.16 threads) < p95 28 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 81.67 file descriptors < mean 1063.93 file descriptors (SD = 988 file descriptors) < p95 2568.67 file descriptors

App Install

Measure app installation speed. This scenario has two roles:

  • minimal: Installs a simple app which implements initialisation callbacks but otherwise doesn't contain a lot of code.
  • large: Installs a larger app that contains some dependencies and some generated data as padding to make the bundle larger.

These are intended to catch a compilation slowdown or issues with copying around large WASMs (e.g. accidental cloning or tracing). In each case, the behaviour will uninstall the app it installed so that it can re-install it on the next iteration.

Started
Tue, 24 Mar 2026 16:25:08 UTC
Peer count
1
Peer count at end
1
Behaviours
  • large (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
app_install_large_23499303826
First install time
The time from conductor startup to completion of the first app installation attempt.
1.461895795s
Install app timing
The time taken to install an app.
mean 0.264158s (SD = 0.141238s) p50 0.229581s p95 0.417809s p99 0.988788s
Host Metrics
User CPU usage
CPU usage by user space
17.18%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 45.41 KiB/s < mean 305.81 KiB/s (SD = 433.39 KiB/s) < p951.03 MiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 13.28 KiB/s < mean 16.69 KiB/s (SD = 4.66 KiB/s) < p9524.73 KiB/s
Total bytes received
Total bytes received on primary network interface
count
35.84 MiB
mean
305.81 KiB/s
Total bytes sent
Total bytes sent on primary network interface
count
1.96 MiB
mean
16.69 KiB/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 1980.23 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
Detected

Warning Moderate swap usage (17.7% swap used)

System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 15.51% < mean 21.06% (SD = 5.56%) < p95 30.23%
System
3.88%
CPU percentiles
CPU usage percentiles
p50
20.29%
p95
30.23%
p99
30.23%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
0 hosts
mean time
0.00s
Memory used percentage
Percentage of memory used
p5 39.18% < mean 48.19% (SD = 6.76%) < p95 58.29%
Memory available percentage
Percentage of available memory
p5 41.71% < mean 51.81% (SD = 6.76%) < p95 60.82%
Max host memory used
Maximum memory usage percentage across all hosts
max 48.19%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 17.74%
Memory growth rate
Rate of memory growth over time
growth 1980.23MB/s
Disk read throughput
Disk read throughput in MB/s
0.03MB/s
Disk write throughput
Disk write throughput in MB/s
6.23MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /etc/hostname
0/1hosts
Mount Point /etc/hosts
0/1hosts
Mount Point /etc/resolv.conf
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
0.78
5 min
0.44
15 min
0.32
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.8587% (SD = 0.4471%) < p95 1.22%
60 second average
0.5580%
300 second average
0.1773%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 8.39% < mean 13.634% (SD = 3.9357%) < p95 18.7067%
60 second average
9.0133%
300 second average
4.8933%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 8.17% < mean 13.224% (SD = 3.8181%) < p95 18.1267%
60 second average
8.7620%
300 second average
4.7607%
Holochain process CPU usage
CPU usage by Holochain process
p5 10.69% < mean 14.28% (SD = 2.38%) < p95 17.08%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 475.23 KiB < mean 1001.31 KiB (SD = 423.29 KiB) < p951.54 MiB
Holochain process threads
Number of threads in Holochain process
p5 1 threads < mean 14.6 threads (SD = 7.4 threads) < p95 20 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 0 file descriptors < mean 521.33 file descriptors (SD = 423.54 file descriptors) < p95 1009.67 file descriptors

First Call

This scenario installs a simple app which implements the init callback, and measures the time elapsed between start of install and calling init. It will uninstall the app it installed so that it can re-install it on the next iteration. This is required to re-run the initialisation callback.

Started
Tue, 24 Mar 2026 16:03:30 UTC
Peer count
1
Peer count at end
1
Behaviours
  • default (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
first_call_23499303826
Zome call timing
The time elapsed between start of install and calling init.
mean 0.020366s (SD = 0.068169s) p50 0.009296s p95 0.024433s p99 0.222393s
Host Metrics
User CPU usage
CPU usage by user space
8.93%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 116 B/s < mean 57.98 KiB/s (SD = 113.81 KiB/s) < p95395.07 KiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 730 B/s < mean 6.20 KiB/s (SD = 5.33 KiB/s) < p9518.58 KiB/s
Total bytes received
Total bytes received on primary network interface
count
16.99 MiB
mean
57.98 KiB/s
Total bytes sent
Total bytes sent on primary network interface
count
1.82 MiB
mean
6.20 KiB/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 835.49 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
NotDetected
System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 5.12% < mean 11.94% (SD = 5.15%) < p95 27.15%
System
3.02%
CPU percentiles
CPU usage percentiles
p50
11.04%
p95
27.15%
p99
27.15%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
0 hosts
mean time
0.00s
Memory used percentage
Percentage of memory used
p5 12.09% < mean 20.62% (SD = 3.64%) < p95 23.57%
Memory available percentage
Percentage of available memory
p5 76.43% < mean 79.38% (SD = 3.64%) < p95 87.91%
Max host memory used
Maximum memory usage percentage across all hosts
max 20.62%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 0.00%
Memory growth rate
Rate of memory growth over time
growth 835.49MB/s
Disk read throughput
Disk read throughput in MB/s
0.00MB/s
Disk write throughput
Disk write throughput in MB/s
9.09MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /
0/1hosts
Mount Point /efi-boot
0/1hosts
Mount Point /nix/store
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
1.40
5 min
0.66
15 min
0.26
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 0.0567% < mean 0.2556% (SD = 0.1173%) < p95 0.5233%
60 second average
0.1976%
300 second average
0.0817%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 7.7% < mean 31.5391% (SD = 10.3721%) < p95 39.6767%
60 second average
26.4064%
300 second average
12.6900%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 7.435% < mean 30.9659% (SD = 10.1999%) < p95 39.0667%
60 second average
25.9250%
300 second average
12.4667%
Holochain process CPU usage
CPU usage by Holochain process
p5 6.81% < mean 11.11% (SD = 7.35%) < p95 32.71%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 349.72 KiB < mean 763.04 KiB (SD = 186.87 KiB) < p95901.56 KiB
Holochain process threads
Number of threads in Holochain process
p5 15.67 threads < mean 19.57 threads (SD = 1.3 threads) < p95 20 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 55 file descriptors < mean 340.7 file descriptors (SD = 239.78 file descriptors) < p95 649.67 file descriptors

Local Signals

This scenario is for testing the speed and reliability of local signals. It uses a zome with a function that will emit 10,000 signals. The scenario measures how long it takes to send the signals and how many have been received by the time the zome call ends.

Started
Tue, 24 Mar 2026 16:05:44 UTC
Peer count
1
Peer count at end
1
Behaviours
  • default (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
local_signals_23499303826
Send timing
The time taken to emit a batch of 10,000 signals.
mean 1.852783s (SD = 0.921461s) p50 1.868574s p95 3.275433s p99 3.275433s
Receive timing
The time taken to receive the completed batch, to the nearest 250ms.
mean 27.190335s (SD = 8.432474s) p50 30.001221s p95 30.002036s p99 30.002036s
Success ratio
The proportion of signals successfully received in a batch.
min 0.7432000041007996 < mean 0.8972 (SD = 0.0612) < max 0.9872999787330629
Host Metrics
User CPU usage
CPU usage by user space
16.07%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 15.64 KiB/s < mean 489.47 KiB/s (SD = 884.78 KiB/s) < p952.60 MiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 11.60 KiB/s < mean 30.92 KiB/s (SD = 23.79 KiB/s) < p9590.51 KiB/s
Total bytes received
Total bytes received on primary network interface
count
143.40 MiB
mean
489.47 KiB/s
Total bytes sent
Total bytes sent on primary network interface
count
9.06 MiB
mean
30.92 KiB/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 154.06 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
Detected

Critical Heavy swap usage (86.2% swap used)

System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 17.68% < mean 25.4% (SD = 6.56%) < p95 34.9%
System
9.33%
CPU percentiles
CPU usage percentiles
p50
25.60%
p95
34.90%
p99
34.90%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
0 hosts
mean time
0.00s
Memory used percentage
Percentage of memory used
p5 67.51% < mean 70.53% (SD = 2.14%) < p95 74.38%
Memory available percentage
Percentage of available memory
p5 25.62% < mean 29.47% (SD = 2.14%) < p95 32.49%
Max host memory used
Maximum memory usage percentage across all hosts
max 70.53%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 86.16%
Memory growth rate
Rate of memory growth over time
growth 154.06MB/s
Disk read throughput
Disk read throughput in MB/s
0.01MB/s
Disk write throughput
Disk write throughput in MB/s
3.49MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /etc/hostname
0/1hosts
Mount Point /etc/hosts
0/1hosts
Mount Point /etc/resolv.conf
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
2.16
5 min
1.81
15 min
1.53
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 3.3833% < mean 5.8012% (SD = 1.9188%) < p95 9.25%
60 second average
6.5424%
300 second average
4.5670%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.0039% (SD = 0.0091%) < p95 0.03%
60 second average
0.0021%
300 second average
0.0000%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.0039% (SD = 0.0091%) < p95 0.03%
60 second average
0.0021%
300 second average
0.0000%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0.7833% < mean 2.97% (SD = 2.3033%) < p95 7.8%
60 second average
2.7130%
300 second average
2.2121%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0.6333% < mean 2.2988% (SD = 1.8226%) < p95 6.22%
60 second average
2.0788%
300 second average
1.7424%
Holochain process CPU usage
CPU usage by Holochain process
p5 0.41% < mean 4.55% (SD = 5.33%) < p95 17.38%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 143.75 KiB < mean 223.70 KiB (SD = 25.73 KiB) < p95235.31 KiB
Holochain process threads
Number of threads in Holochain process
p5 10.33 threads < mean 16.08 threads (SD = 4.91 threads) < p95 23 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 45.5 file descriptors < mean 60.56 file descriptors (SD = 11.94 file descriptors) < p95 82 file descriptors

Remote Call Rate

Test the throughput of remote_call operations. Each agent in this scenario waits for a certain number of peers to be available or for up to two minutes, whichever happens first, before starting its behaviour.

Started
Tue, 24 Mar 2026 16:08:30 UTC
Peer count
10
Peer count at end
10
Behaviours
  • default (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
remote_call_rate_23499303826
Dispatch timing
The time between sending a remote call and the remote handler being invoked.
Mean
mean -0.433779s (SD = 13.373245s)
Max
Highest per-partition mean latency
max mean 43.670668s
Min
Lowest per-partition mean latency
min mean -6.458317s
Round-trip timing
The total elapsed time to get a response to the client.
Mean
mean 0.0898s (SD = 0.099541s)
Max
Highest per-partition mean latency
max mean 0.173666s
Min
Lowest per-partition mean latency
min mean 0.052938s
Host Metrics
User CPU usage
CPU usage by user space
9.95%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 12.47 KiB/s < mean 57.73 KiB/s (SD = 272.60 KiB/s) ≤ p9539.05 KiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 12.22 KiB/s < mean 22.96 KiB/s (SD = 10.31 KiB/s) < p9540.51 KiB/s
Total bytes received
Total bytes received on primary network interface
count
453.24 MiB
mean
515.69 KiB/s
Total bytes sent
Total bytes sent on primary network interface
count
180.27 MiB
mean
205.10 KiB/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 383.84 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
Detected

Critical Heavy swap usage (86.2% swap used)

System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 4.93% < mean 15.63% (SD = 11.23%) < p95 43.69%
System
5.68%
CPU percentiles
CPU usage percentiles
p50
13.20%
p95
43.69%
p99
61.64%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
0 hosts
mean time
0.00s
Memory used percentage
Percentage of memory used
p5 6.51% < mean 27.29% (SD = 17.68%) < p95 63.7%
Memory available percentage
Percentage of available memory
p5 36.3% < mean 72.71% (SD = 17.68%) < p95 93.49%
Max host memory used
Maximum memory usage percentage across all hosts
max 64.98%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 86.17%
Memory growth rate
Rate of memory growth over time
growth 383.84MB/s
Disk read throughput
Disk read throughput in MB/s
0.07MB/s
Disk write throughput
Disk write throughput in MB/s
14.18MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /
0/1hosts
Mount Point /efi-boot
0/1hosts
Mount Point /etc/hostname
0/6hosts
Mount Point /etc/hosts
0/6hosts
Mount Point /etc/resolv.conf
0/6hosts
Mount Point /nix/store
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
0.68
5 min
0.63
15 min
0.50
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 1.6744% < mean 2.164% (SD = 0.865%) < p95 4.2987%
60 second average
2.1646%
300 second average
1.9823%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.0002% (SD = 0.0009%) < p95 0.0018%
60 second average
0.0001%
300 second average
0.0000%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.0002% (SD = 0.0009%) < p95 0.0018%
60 second average
0.0001%
300 second average
0.0000%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0.3521% < mean 1.8247% (SD = 1.5281%) < p95 4.6104%
60 second average
1.8356%
300 second average
1.8264%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0.3112% < mean 1.6671% (SD = 1.4059%) < p95 4.2688%
60 second average
1.6767%
300 second average
1.6665%
Holochain process CPU usage
CPU usage by Holochain process
p5 0% < mean 5.96% (SD = 7.62%) < p95 15.5%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 205.25 KiB < mean 223.05 KiB (SD = 16.39 KiB) < p95249.24 KiB
Holochain process threads
Number of threads in Holochain process
p5 1 threads < mean 15.24 threads (SD = 7.35 threads) < p95 23 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 0 file descriptors < mean 46.04 file descriptors (SD = 22.78 file descriptors) < p95 75 file descriptors

Remote Signals

This scenario tests the throughput of remote_signals operations.

Started
Tue, 24 Mar 2026 16:11:04 UTC
Peer count
10
Peer count at end
10
Behaviours
  • default (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
remote_signals_23499303826
Round trip time
The time from origin signal dispatch to origin receive of the remote side's response signal.
mean 0.085333s (SD = 0.289763s) p50 0.056642s p95 0.206793s p99 0.365997s
Timeouts
The number of timeouts waiting for the remote side's response signal (default timeout is 20 seconds).
0
Host Metrics
User CPU usage
CPU usage by user space
7.00%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 4.08 KiB/s < mean 66.87 KiB/s (SD = 289.90 KiB/s) < p95213.14 KiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 3.93 KiB/s < mean 19.57 KiB/s (SD = 34.77 KiB/s) < p9579.71 KiB/s
Total bytes received
Total bytes received on primary network interface
count
235.11 MiB
mean
267.50 KiB/s
Total bytes sent
Total bytes sent on primary network interface
count
68.80 MiB
mean
78.28 KiB/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 257.73 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
NotDetected
System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 1.56% < mean 10.25% (SD = 14.1%) < p95 23.08%
System
3.25%
CPU percentiles
CPU usage percentiles
p50
2.60%
p95
23.08%
p99
88.55%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
2 hosts
mean time
0.03s
Memory used percentage
Percentage of memory used
p5 7.52% < mean 16.83% (SD = 9.24%) < p95 30.84%
Memory available percentage
Percentage of available memory
p5 69.16% < mean 83.17% (SD = 9.24%) < p95 92.48%
Max host memory used
Maximum memory usage percentage across all hosts
max 31.31%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 0.03%
Memory growth rate
Rate of memory growth over time
growth 257.73MB/s
Disk read throughput
Disk read throughput in MB/s
0.00MB/s
Disk write throughput
Disk write throughput in MB/s
7.80MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /
0/1hosts
Mount Point /efi-boot
0/1hosts
Mount Point /etc/hostname
0/2hosts
Mount Point /etc/hosts
0/2hosts
Mount Point /etc/resolv.conf
0/2hosts
Mount Point /nix/store
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
0.51
5 min
0.38
15 min
0.23
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 1.22% < mean 2.6022% (SD = 3.6785%) < p95 16.5117%
60 second average
2.4336%
300 second average
2.0693%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0.2142% < mean 1.7804% (SD = 2.7512%) < p95 8.1242%
60 second average
1.3421%
300 second average
0.7252%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0.1975% < mean 1.6153% (SD = 2.4949%) < p95 7.3833%
60 second average
1.2156%
300 second average
0.6596%
Holochain process CPU usage
CPU usage by Holochain process
p5 0.46% < mean 2.85% (SD = 5.43%) < p95 11.21%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 182.12 KiB < mean 227.92 KiB (SD = 29.30 KiB) < p95296.07 KiB
Holochain process threads
Number of threads in Holochain process
p5 15 threads < mean 17.94 threads (SD = 3.08 threads) < p95 22 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 46 file descriptors < mean 55.31 file descriptors (SD = 12.87 file descriptors) < p95 79.33 file descriptors

Single-write, many-read

Creates an entry in the agent setup, then read one's own record back. This tests the maximum read performance for reading back local data when the chain is short.

Started
Tue, 24 Mar 2026 16:13:31 UTC
Peer count
1
Peer count at end
1
Behaviours
  • default (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
single_write_many_read_23499303826
read call timing
The time it takes to complete the zome call that retrieves the record.
mean 0.003804s (SD = 0.010638s) p50 0.003232s p95 0.003409s p99 0.003907s
read call rate
The number of read zome calls completed per second.
mean 2594.75/s
Error count
The number of errors collected.
0
Host Metrics
User CPU usage
CPU usage by user space
16.97%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 77 B/s < mean 260 B/s (SD = 386 B/s) < p951.37 KiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 97 B/s < mean 257 B/s (SD = 282 B/s) < p951.06 KiB/s
Total bytes received
Total bytes received on primary network interface
count
76.08 KiB
mean
260 B/s
Total bytes sent
Total bytes sent on primary network interface
count
75.32 KiB
mean
257 B/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
NotDetected
Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
Detected

Warning Moderate swap usage (17.7% swap used)

System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 11.84% < mean 24.86% (SD = 5.54%) < p95 37.81%
System
7.89%
CPU percentiles
CPU usage percentiles
p50
24.92%
p95
37.81%
p99
37.81%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
0 hosts
mean time
0.00s
Memory used percentage
Percentage of memory used
p5 42.64% < mean 44.11% (SD = 0.57%) < p95 44.65%
Memory available percentage
Percentage of available memory
p5 55.35% < mean 55.89% (SD = 0.57%) < p95 57.36%
Max host memory used
Maximum memory usage percentage across all hosts
max 44.11%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 17.74%
Memory growth rate
Rate of memory growth over time
growth -55.01MB/s
Disk read throughput
Disk read throughput in MB/s
0.00MB/s
Disk write throughput
Disk write throughput in MB/s
4.83MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /etc/hostname
0/1hosts
Mount Point /etc/hosts
0/1hosts
Mount Point /etc/resolv.conf
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
1.03
5 min
0.55
15 min
0.22
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.1018% (SD = 0.2592%) < p95 0.9133%
60 second average
0.1133%
300 second average
0.0661%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 4.27% < mean 6.335% (SD = 3.3764%) < p95 16.435%
60 second average
5.6348%
300 second average
3.8380%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 4.1667% < mean 5.9983% (SD = 3.2209%) < p95 15.815%
60 second average
5.3335%
300 second average
3.6694%
Holochain process CPU usage
CPU usage by Holochain process
p5 0% < mean 20% (SD = 7.29%) < p95 33.39%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 86.66 KiB < mean 235.93 KiB (SD = 47.21 KiB) < p95251.73 KiB
Holochain process threads
Number of threads in Holochain process
p5 5 threads < mean 11.36 threads (SD = 2.01 threads) < p95 12 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 21 file descriptors < mean 55.97 file descriptors (SD = 11.7 file descriptors) < p95 68 file descriptors

Validation Receipts

Creates an entry, wait for required validation receipts, then repeat. Records the amount of time it took to accumulate the required number of receipts for all DHT operations. This is measured to the nearest 20ms so that we don't keep the agent too busy checking for receipts.

Each agent in this scenario waits for a certain number of peers to be available or for up to two minutes, whichever happens first, before starting its behaviour.

By default, this scenario will wait for a complete set of validation receipts before committing the next record. If the NO_VALIDATION_COMPLETE environment variable is set, it will instead publish new records on every round, building up an ever-growing list of action hashes to check on.

Started
Tue, 24 Mar 2026 16:30:11 UTC
Peer count
20
Peer count at end
39
Behaviours
  • default (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
validation_receipts_23499303826
Receipts complete timing
The amount of time between publishing a record and receiving the required number of validation receipts.
Mean
mean 5.801206s (SD = 2.138475s)
Max
Highest per-partition mean latency
max mean 6.267833s
Min
Lowest per-partition mean latency
min mean 5.605362s
Receipts complete rate
The number of complete validation receipt sets collected per second.
Mean
mean 1.72/s
Max
Highest per-partition mean rate
max 1.79/s
Min
Lowest per-partition mean rate
min 1.55/s
Host Metrics
User CPU usage
CPU usage by user space
13.64%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 17.98 KiB/s < mean 215.33 KiB/s (SD = 481.37 KiB/s) < p95838.80 KiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 18.29 KiB/s < mean 121.80 KiB/s (SD = 191.43 KiB/s) < p95498.63 KiB/s
Total bytes received
Total bytes received on primary network interface
count
3.23 GiB
mean
3.55 MiB/s
Total bytes sent
Total bytes sent on primary network interface
count
1.83 GiB
mean
2.01 MiB/s
CPU spike anomaly
CPU spike anomaly was detected
Detected

Warning CPU p99 reached 91.7%

Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 923.30 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
Detected

Critical Heavy swap usage (24.6% swap used)

System overload anomaly
System overload anomaly was detected
Detected

Warning 6% of hosts overloaded (load5/ncpus > 1.0)

Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 2.66% < mean 18.1% (SD = 22.5%) < p95 78.96%
System
4.46%
CPU percentiles
CPU usage percentiles
p50
9.00%
p95
78.96%
p99
91.69%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
1 hosts
mean time
0.81s
Memory used percentage
Percentage of memory used
p5 8.05% < mean 21.66% (SD = 12.69%) < p95 51.93%
Memory available percentage
Percentage of available memory
p5 48.07% < mean 78.34% (SD = 12.69%) < p95 91.95%
Max host memory used
Maximum memory usage percentage across all hosts
max 55.41%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 24.62%
Memory growth rate
Rate of memory growth over time
growth 923.30MB/s
Disk read throughput
Disk read throughput in MB/s
1.14MB/s
Disk write throughput
Disk write throughput in MB/s
115.11MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /
0/7hosts
Mount Point /efi-boot
0/3hosts
Mount Point /etc/hostname
0/9hosts
Mount Point /etc/hosts
0/9hosts
Mount Point /etc/resolv.conf
0/9hosts
Mount Point /nix/store
0/7hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
1.63
5 min
1.35
15 min
0.84
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
5.88%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 0.2575% < mean 2.1578% (SD = 2.161%) < p95 7.0071%
60 second average
2.1388%
300 second average
1.6313%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.0033% (SD = 0.008%) < p95 0.0315%
60 second average
0.0046%
300 second average
0.0035%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.0033% (SD = 0.008%) < p95 0.0315%
60 second average
0.0046%
300 second average
0.0035%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 4.4552% < mean 10.2373% (SD = 2.9982%) < p95 14.6258%
60 second average
10.1318%
300 second average
8.7955%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 3.972% < mean 9.2694% (SD = 2.5546%) < p95 12.6127%
60 second average
9.1684%
300 second average
7.9663%
Holochain process CPU usage
CPU usage by Holochain process
p5 0% < mean 6.58% (SD = 11.36%) < p95 26.64%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 117.07 KiB < mean 251.82 KiB (SD = 93.21 KiB) < p95501.92 KiB
Holochain process threads
Number of threads in Holochain process
p5 1 threads < mean 21.42 threads (SD = 9.73 threads) < p95 33 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 0 file descriptors < mean 68.22 file descriptors (SD = 28.12 file descriptors) < p95 98.67 file descriptors

Write/Query

Creates an entry, then queries the source chain and performs a simple operation on the entries, then repeats.

Started
Tue, 24 Mar 2026 16:15:59 UTC
Peer count
1
Peer count at end
1
Behaviours
  • default (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
write_query_23499303826
Write timing
The time it takes to complete the zome function call that writes the entry.
mean 0.020746s (SD = 0.008217s) p50 0.018548s p95 0.039991s p99 0.054648s
Write rate
The number of writes completed per second.
mean 111.62/s
Query timing
The time it takes to complete the chain_query_count_len zome call that queries the source chain.
mean 0.066791s (SD = 0.037947s) p50 0.062689s p95 0.131358s p99 0.151792s
Query rate
The number of chain queries completed per second.
mean 111.66/s
Error count
The number of errors accumulated during the run.
0
Host Metrics
User CPU usage
CPU usage by user space
29.64%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 12.81 KiB/s < mean 13.20 KiB/s (SD = 332 B/s) < p9513.79 KiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 39.99 KiB/s < mean 40.66 KiB/s (SD = 490 B/s) < p9541.42 KiB/s
Total bytes received
Total bytes received on primary network interface
count
3.48 MiB
mean
13.20 KiB/s
Total bytes sent
Total bytes sent on primary network interface
count
10.72 MiB
mean
40.66 KiB/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 6.46 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
NotDetected
System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 42.54% < mean 44.87% (SD = 2.26%) < p95 51.25%
System
15.23%
CPU percentiles
CPU usage percentiles
p50
44.39%
p95
51.25%
p99
51.25%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
0 hosts
mean time
0.00s
Memory used percentage
Percentage of memory used
p5 20.45% < mean 21.18% (SD = 0.26%) < p95 21.37%
Memory available percentage
Percentage of available memory
p5 78.63% < mean 78.82% (SD = 0.26%) < p95 79.55%
Max host memory used
Maximum memory usage percentage across all hosts
max 21.18%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 0.00%
Memory growth rate
Rate of memory growth over time
growth 6.46MB/s
Disk read throughput
Disk read throughput in MB/s
0.00MB/s
Disk write throughput
Disk write throughput in MB/s
9.73MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /etc/hostname
0/1hosts
Mount Point /etc/hosts
0/1hosts
Mount Point /etc/resolv.conf
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
1.53
5 min
0.86
15 min
0.57
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 4.57% < mean 5.127% (SD = 0.6793%) < p95 6.5233%
60 second average
4.7790%
300 second average
3.0087%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0% < mean 0.101% (SD = 0.1579%) < p95 0.4667%
60 second average
0.1073%
300 second average
0.0963%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 0% < mean 0.038% (SD = 0.0667%) < p95 0.2133%
60 second average
0.0363%
300 second average
0.0480%
Holochain process CPU usage
CPU usage by Holochain process
p5 17.29% < mean 31.89% (SD = 4.94%) < p95 34.66%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 220.64 KiB < mean 227.36 KiB (SD = 5.38 KiB) < p95236.59 KiB
Holochain process threads
Number of threads in Holochain process
p5 14 threads < mean 14.1 threads (SD = 0.3 threads) < p95 15 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 58 file descriptors < mean 59.5 file descriptors (SD = 1.97 file descriptors) < p95 64.33 file descriptors

Write/Read

Creates an entry and reads it back, then repeats.

Started
Tue, 24 Mar 2026 16:18:13 UTC
Peer count
1
Peer count at end
1
Behaviours
  • default (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
write_read_23499303826
Write timing
The time taken to write the entry.
mean 0.059261s (SD = 0.086429s) p50 0.035841s p95 0.317036s p99 0.405836s
Write rate
The number of writes completed per second.
mean 101.07/s
Read timing
The time taken to read the entry.
mean 0.038387s (SD = 0.017616s) p50 0.037161s p95 0.067341s p99 0.090952s
Read rate
The number of reads completed per second.
mean 101.07/s
Error count
The number of errors accumulated over the run.
0
Host Metrics
User CPU usage
CPU usage by user space
16.69%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 150 B/s < mean 174.08 KiB/s (SD = 520.04 KiB/s) < p951.69 MiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 112 B/s < mean 5.50 KiB/s (SD = 15.53 KiB/s) < p9552.08 KiB/s
Total bytes received
Total bytes received on primary network interface
count
51.00 MiB
mean
174.08 KiB/s
Total bytes sent
Total bytes sent on primary network interface
count
1.61 MiB
mean
5.50 KiB/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 86.60 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
NotDetected
System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 16.3% < mean 19.39% (SD = 1.13%) < p95 20.4%
System
2.70%
CPU percentiles
CPU usage percentiles
p50
19.72%
p95
20.40%
p99
20.40%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
0 hosts
mean time
0.00s
Memory used percentage
Percentage of memory used
p5 25.66% < mean 27.18% (SD = 0.49%) < p95 27.48%
Memory available percentage
Percentage of available memory
p5 72.52% < mean 72.82% (SD = 0.49%) < p95 74.34%
Max host memory used
Maximum memory usage percentage across all hosts
max 27.18%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 5.78%
Memory growth rate
Rate of memory growth over time
growth 86.60MB/s
Disk read throughput
Disk read throughput in MB/s
0.00MB/s
Disk write throughput
Disk write throughput in MB/s
8.31MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /etc/hostname
0/1hosts
Mount Point /etc/hosts
0/1hosts
Mount Point /etc/resolv.conf
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
1.37
5 min
0.63
15 min
0.25
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 0% < mean 0.0327% (SD = 0.0679%) < p95 0.18%
60 second average
0.0197%
300 second average
0.0027%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 3.9833% < mean 5.6521% (SD = 2.0028%) < p95 11.51%
60 second average
4.3964%
300 second average
2.2794%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 3.89% < mean 5.4521% (SD = 1.8399%) < p95 10.82%
60 second average
4.2464%
300 second average
2.2021%
Holochain process CPU usage
CPU usage by Holochain process
p5 4.63% < mean 16.74% (SD = 4.23%) < p95 19.43%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 236.76 KiB < mean 244.14 KiB (SD = 3.25 KiB) < p95248.37 KiB
Holochain process threads
Number of threads in Holochain process
p5 1 threads < mean 15.06 threads (SD = 4.7 threads) < p95 17 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 0 file descriptors < mean 55.33 file descriptors (SD = 18.26 file descriptors) < p95 70.67 file descriptors

Write validated

Creates an entry, updates it and links the create to the update, then repeats. Each of the three actions is validated by the included hApp.

Started
Tue, 24 Mar 2026 16:20:36 UTC
Peer count
1
Peer count at end
1
Behaviours
  • default (1 agent)
Holochain version
0.6.1-rc.3
Wind Tunnel version
0.6.0
Run ID
write_validated_23499303826
Write timing
The time it takes to complete the zome function call that writes the entry, updates it, and links to the update.
mean 0.139231s (SD = 0.341457s) p50 0.029136s p95 0.993324s p99 1.826982s
Write rate
The number of write zome function calls that complete per second.
mean 29.81/s
Read timing
The time it takes to complete the zome function call that reads the data.
mean 0.179929s (SD = 0.356725s) p50 0.051451s p95 1.063047s p99 1.756153s
Read rate
The number of read zome function calls that complete per second.
mean 29.81/s
Error count
The number of errors accumulated over the run.
0
Host Metrics
User CPU usage
CPU usage by user space
12.77%
Network receive rate (primary)
Rate of bytes received on primary network interface
p5 179 B/s < mean 6.73 KiB/s (SD = 19.33 KiB/s) < p9564.71 KiB/s
Network send rate (primary)
Rate of bytes sent on primary network interface
p5 120 B/s < mean 434 B/s (SD = 718 B/s) < p952.51 KiB/s
Total bytes received
Total bytes received on primary network interface
count
1.97 MiB
mean
6.73 KiB/s
Total bytes sent
Total bytes sent on primary network interface
count
127.11 KiB
mean
434 B/s
CPU spike anomaly
CPU spike anomaly was detected
NotDetected
Memory leak anomaly
Memory leak anomaly was detected
Detected

Warning Memory growing at 105.25 MB/s

Disk full anomaly
Disk full anomaly was detected
NotDetected
Swap thrashing anomaly
Swap thrashing anomaly was detected
NotDetected
System overload anomaly
System overload anomaly was detected
NotDetected
Additional Host Metrics
Hidden by default. Click to toggle visibility.
CPU usage
Total CPU usage and kernel CPU usage
Total
p5 10.24% < mean 16.05% (SD = 9.13%) < p95 42.96%
System
3.28%
CPU percentiles
CPU usage percentiles
p50
13.39%
p95
42.96%
p99
42.96%
CPU usage above 80%
Number of hosts above 80% CPU and mean time spent above threshold for those hosts
count
0 hosts
mean time
0.00s
Memory used percentage
Percentage of memory used
p5 28.22% < mean 31.28% (SD = 0.98%) < p95 31.78%
Memory available percentage
Percentage of available memory
p5 68.22% < mean 68.72% (SD = 0.98%) < p95 71.78%
Max host memory used
Maximum memory usage percentage across all hosts
max 31.28%
Max host swap used percentage
Maximum swap space usage percentage across all hosts
max 0.00%
Memory growth rate
Rate of memory growth over time
growth 105.25MB/s
Disk read throughput
Disk read throughput in MB/s
0.00MB/s
Disk write throughput
Disk write throughput in MB/s
7.69MB/s
Disk space utilization risk
Number of hosts nearing disk space capacity by mount point
Mount Point /etc/hostname
0/1hosts
Mount Point /etc/hosts
0/1hosts
Mount Point /etc/resolv.conf
0/1hosts
System load average
System load averages over 1, 5, and 15 minutes. This is an unnormalised value not divided by number of CPUs, so it is only meaningful if all machines have the same core count.
1 min
1.65
5 min
0.77
15 min
0.31
CPU overloaded hosts
Percentage of hosts that experienced CPU overload
0.00%
CPU pressure
CPU pressure over 10, 60, and 300 second averages
10 second average
p5 0.1167% < mean 0.3403% (SD = 0.1939%) < p95 0.8033%
60 second average
0.3009%
300 second average
0.1485%
Memory pressure some
Memory pressure (some tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
Memory pressure full
Memory pressure (all tasks stalled) over 10, 60, and 300 second averages
10 second average
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
60 second average
0.0000%
300 second average
0.0000%
I/O pressure some
I/O pressure (some tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 10.17% < mean 29.2248% (SD = 9.2636%) < p95 38.5767%
60 second average
23.5994%
300 second average
11.1773%
I/O pressure full
I/O pressure (all tasks stalled) over 10, 60 and 300 second averages
10 second average
p5 9.93% < mean 28.6509% (SD = 9.1417%) < p95 38%
60 second average
23.0852%
300 second average
10.9321%
Holochain process CPU usage
CPU usage by Holochain process
p5 0% ≤ mean 0% (SD = 0%) ≤ p95 0%
Holochain process memory (PSS)
Proportional Set Size memory of Holochain process
p5 274.23 KiB < mean 480.09 KiB (SD = 65.10 KiB) < p95501.02 KiB
Holochain process threads
Number of threads in Holochain process
p5 1 threads ≤ mean 1 threads (SD = 0 threads) ≤ p95 1 threads
Holochain process file descriptors
Number of file descriptors used by Holochain process
p5 0 file descriptors ≤ mean 0 file descriptors (SD = 0 file descriptors) ≤ p95 0 file descriptors