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dashboards: Add Fsync avg duration panel to Troubleshooting section - #1636

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dashboards-fsync-avg-panel
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dashboards: Add Fsync avg duration panel to Troubleshooting section#1636
makasim wants to merge 6 commits into
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dashboards-fsync-avg-panel

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@makasim

@makasim makasim commented Jul 28, 2026

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The commit VictoriaMetrics/VictoriaMetrics@dd2d680 added the following metrics to VictoriaMetrics:

  • vm_filestream_fsync_duration_seconds_total - it measures the total duration for fsync() calls during background merges.
  • vm_filestream_fsync_calls_total - it counts the number of fsync() calls.

This commit adds a Fsync avg duration ($instance) panel to the Troubleshooting section of the

  • VictoriaLogs - single-node
  • VictoriaLogs - cluster
  • vlagent dashboards.

Follow-up on VictoriaMetrics/VictoriaMetrics#11079

The commit
VictoriaMetrics/VictoriaMetrics@dd2d680
added the following metrics to VictoriaMetrics:
- vm_filestream_fsync_duration_seconds_total - it measures the summary
duration for
[fsync()](https://man7.org/linux/man-pages/man2/fsync.2.html) calls
during background merges at VictoriaMetrics.
- vm_filestream_fsync_calls_total - it counts the number of fsync()
calls.

This commit adds a `Fsync avg duration ($instance)` panel to the
`Troubleshooting` section of the `VictoriaLogs - single-node`,
`VictoriaLogs - cluster`, and `vlagent` dashboards.

Follow-up on
VictoriaMetrics/VictoriaMetrics#11079
@makasim
makasim requested a review from func25 July 28, 2026 15:11

@cubic-dev-ai cubic-dev-ai Bot left a comment

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All reported issues were addressed across 6 files

Reply with feedback, questions, or to request a fix.

Re-trigger cubic

Comment thread dashboards/victorialogs.json Outdated
Comment thread dashboards/vm/vlagent.json Outdated
Comment thread dashboards/victorialogs-cluster.json Outdated
Comment thread dashboards/vlagent.json Outdated
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2 participants