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docs/vmagent.md: clarified the case when -remoteWrite.queues must be tuned

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/745
This commit is contained in:
Aliaksandr Valialkin 2020-09-08 20:15:25 +03:00
parent df169b1ebd
commit 11eaa37111
2 changed files with 2 additions and 4 deletions
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3
app/vmagent/README.md
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@ -218,8 +218,7 @@ If you have suggestions, improvements or found a bug - feel free to open an issu
* When `vmagent` scrapes many unreliable targets, it can flood error log with scrape errors. These errors can be suppressed
by passing `-promscrape.suppressScrapeErrors` command-line flag to `vmagent`. The most recent scrape error per each target can be observed at `http://vmagent-host:8429/targets`.
* It is recommended to increase `-remoteWrite.queues` if `vmagent` collects more than 100K samples per second
and `vmagent_remotewrite_pending_data_bytes` metric exported at `http://vmagent-host:8429/metrics` page constantly grows.
* It is recommended to increase `-remoteWrite.queues` if `vmagent_remotewrite_pending_data_bytes` metric exported at `http://vmagent-host:8429/metrics` page constantly grows.
* If you see gaps on the data pushed by `vmagent` to remote storage when `-remoteWrite.maxDiskUsagePerURL` is set, then try increasing `-remoteWrite.queues`.
Such gaps may appear because `vmagent` cannot keep up with sending the collected data to remote storage, so it starts dropping the buffered data

3
docs/vmagent.md
View file

@ -218,8 +218,7 @@ If you have suggestions, improvements or found a bug - feel free to open an issu
* When `vmagent` scrapes many unreliable targets, it can flood error log with scrape errors. These errors can be suppressed
by passing `-promscrape.suppressScrapeErrors` command-line flag to `vmagent`. The most recent scrape error per each target can be observed at `http://vmagent-host:8429/targets`.
* It is recommended to increase `-remoteWrite.queues` if `vmagent` collects more than 100K samples per second
and `vmagent_remotewrite_pending_data_bytes` metric exported at `http://vmagent-host:8429/metrics` page constantly grows.
* It is recommended to increase `-remoteWrite.queues` if `vmagent_remotewrite_pending_data_bytes` metric exported at `http://vmagent-host:8429/metrics` page constantly grows.
* If you see gaps on the data pushed by `vmagent` to remote storage when `-remoteWrite.maxDiskUsagePerURL` is set, then try increasing `-remoteWrite.queues`.
Such gaps may appear because `vmagent` cannot keep up with sending the collected data to remote storage, so it starts dropping the buffered data