[r324] ruler: cap the number of remote eval retries #10386
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* ruler: cap the number of remote eval retries The retries happen more aggressively than actual evaluations. With the current setup an error spike results in 3x the query rate - initial query, and two retries fairly quickly 100ms & 200ms after that. This PR changes that so that the whole process doesn't retry more than a fixed number of queries/sec. I chose 170 because at GL the average evals/sec is 340 per ruler. This would retry about half of the rules on average. _On average_ that should increase query load by 50%. Signed-off-by: Dimitar Dimitrov <[email protected]> * Add CHANGELOG.md entry Signed-off-by: Dimitar Dimitrov <[email protected]> * Fix a totally arbitrary stupid linter rule Signed-off-by: Dimitar Dimitrov <[email protected]> * Use a CB instead of a rate limtier Signed-off-by: Dimitar Dimitrov <[email protected]> * Revert "Use a CB instead of a rate limtier" This reverts commit b07366f. * Don't abort retries if we're over the rate limit Signed-off-by: Dimitar Dimitrov <[email protected]> * Cancel reservation when context expires Signed-off-by: Dimitar Dimitrov <[email protected]> --------- Signed-off-by: Dimitar Dimitrov <[email protected]> (cherry picked from commit ffee57d)
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dimitarvdimitrov
approved these changes
Jan 9, 2025
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Backport ffee57d from #10375