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app/vmagent/remotewrite: make more user-friendly the warning message about too small -remoteWrite.maxdiskUsagePerURL value

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This is a follow-up for bc17f4828c .
While at it, document the change at docs/CHANGELOG.md .

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4195
This commit is contained in:
Aliaksandr Valialkin 2023-05-08 15:42:28 -07:00
parent f35181a4f8
commit 079875a127
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2 changed files with 4 additions and 1 deletions
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4
app/vmagent/remotewrite/remotewrite.go
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@ -524,7 +524,9 @@ func newRemoteWriteCtx(argIdx int, at *auth.Token, remoteWriteURL *url.URL, maxI
queuePath := filepath.Join(*tmpDataPath, persistentQueueDirname, fmt.Sprintf("%d_%016X", argIdx+1, h))
maxPendingBytes := maxPendingBytesPerURL.GetOptionalArgOrDefault(argIdx, 0)
if maxPendingBytes != 0 && maxPendingBytes < persistentqueue.DefaultChunkFileSize {
logger.Warnf("specified flag `--remoteWrite.maxDiskUsagePerURL` is lower than buffered data chunks. It is recommended to set the value for this flag to a multiple of the block size 500MB.")
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4195
logger.Warnf("rounding the -remoteWrite.maxDiskUsagePerURL=%d to the minimum supported value: %d", maxPendingBytes, persistentqueue.DefaultChunkFileSize)
maxPendingBytes = persistentqueue.DefaultChunkFileSize
}
fq := persistentqueue.MustOpenFastQueue(queuePath, sanitizedURL, maxInmemoryBlocks, maxPendingBytes)
_ = metrics.GetOrCreateGauge(fmt.Sprintf(`vmagent_remotewrite_pending_data_bytes{path=%q, url=%q}`, queuePath, sanitizedURL), func() float64 {

1
docs/CHANGELOG.md
View file

@ -32,6 +32,7 @@ The following tip changes can be tested by building VictoriaMetrics components f
* FEATURE: deprecate `-bigMergeConcurrency` command-line flag, since improper configuration for this flag frequently led to uncontrolled growth of unmerged parts, which, in turn, could lead to queries slowdown and increased CPU usage. The concurrency for [background merges](https://docs.victoriametrics.com/#storage) can be controlled via `-smallMergeConcurrency` command-line flag, though it isn't recommended to do in general case.
* FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): support new filtering options `filter` and `node_filter` for [consul service discovery](https://docs.victoriametrics.com/sd_configs.html#consul_sd_configs). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4183) for details.
* FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): support new [consulagent service discovery](https://docs.victoriametrics.com/sd_configs.html#consulagent_sd_configs). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3953) for details.
* FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): emit a warning if `-remoteWrite.maxDiskUsagePerURL` command-line flag has too small value. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4195).
* FEATURE: [vmctl](https://docs.victoriametrics.com/vmctl.html): add support for [different time formats](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#timestamp-formats) for `--vm-native-filter-time-start` and `--vm-native-filter-time-end` command-line flags. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4091).
* FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): add `WITH template` playground to `vmui`. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3811).
* FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): add a comparison of data from the previous day with data from the current day to the `Cardinality Explorer`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3967).