feat: Add backoff to flush op #13140
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| @@ -126,7 +128,10 @@ func (cfg *Config) RegisterFlags(f *flag.FlagSet) { | |||
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| f.IntVar(&cfg.ConcurrentFlushes, "ingester.concurrent-flushes", 32, "How many flushes can happen concurrently from each stream.") | |||
| f.DurationVar(&cfg.FlushCheckPeriod, "ingester.flush-check-period", 30*time.Second, "How often should the ingester see if there are any blocks to flush. The first flush check is delayed by a random time up to 0.8x the flush check period. Additionally, there is +/- 1% jitter added to the interval.") | |||
| f.DurationVar(&cfg.FlushOpTimeout, "ingester.flush-op-timeout", 10*time.Minute, "The timeout before a flush is cancelled.") | |||
| f.DurationVar(&cfg.FlushOpBackoff.MinBackoff, "ingester.flush-op-backoff-min-period", 10*time.Second, "Minimum backoff period when a flush fails. Each concurrent flush has its own backoff, see `ingester.concurrent-flushes`.") | |||
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I chose to declare these here instead of using cfg.FlushOpBackoff.RegisterFlagsWithPrefix() for two reasons:
- I wanted to use
-separator instead of.to be consistent withingester.flush-op-timeout. - I wanted to write a more specific help message for each of these options that explains how they are used.
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I made some changes to how the timeout works (per flush instead of per op), would love another review.
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This commit adds a configurable backoff to flush ops in the ingester. This is to prevent situations where the store put operation fails fast (i.e. 401 Unauthorized) and can cause ingesters to be rate limited.
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| @@ -135,8 +137,9 @@ func (i *Ingester) sweepStream(instance *instance, stream *stream, immediate boo | |||
| } | |||
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| func (i *Ingester) flushLoop(j int) { | |||
| l := log.With(i.logger, "loop", j) | |||
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I added the loop to the logger so when a flush fails, or is canceled after max retries, we can see which loop it was.
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What this PR does / why we need it:
This commit adds a configurable backoff to flush ops in the ingester. This is to prevent situations where the store put operation fails fast (i.e. 401 Unauthorized) and can cause ingesters to be rate limited.
Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Checklist
CONTRIBUTING.mdguide (required)featPRs are unlikely to be accepted unless a case can be made for the feature actually being a bug fix to existing behavior.docs/sources/setup/upgrade/_index.mdproduction/helm/loki/Chart.yamland updateproduction/helm/loki/CHANGELOG.mdandproduction/helm/loki/README.md. Example PRdeprecated-config.yamlanddeleted-config.yamlfiles respectively in thetools/deprecated-config-checkerdirectory. Example PR