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Fix bug where querier may not be able to achieve max-concurrent #4417

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alvinlin123
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@alvinlin123 alvinlin123 commented Aug 10, 2021

Signed-off-by: Alvin Lin [email protected]

What this PR does:
This PR fixes #4391

Which issue(s) this PR fixes:
Fixes #4391

Checklist

  • Tests updated
  • Documentation added
  • CHANGELOG.md updated - the order of entries should be [CHANGE], [FEATURE], [ENHANCEMENT], [BUGFIX]

Signed-off-by: Alvin Lin <[email protected]>
@alvinlin123 alvinlin123 marked this pull request as ready for review August 11, 2021 01:03
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@bboreham bboreham left a comment

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Good catch! I suggested different wording for the changelog: we want this text to be meaningful to Cortex admins without needing to read the bug report.

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Thanks!

alvinlin123 and others added 3 commits August 11, 2021 10:17
Co-authored-by: Bryan Boreham <[email protected]>
Signed-off-by: Alvin Lin <[email protected]>
Co-authored-by: Arve Knudsen <[email protected]>
Signed-off-by: Alvin Lin <[email protected]>
Signed-off-by: Alvin Lin <[email protected]>
@alvinlin123 alvinlin123 force-pushed the issue-4391-achieve-max-concurrent branch from 88f05d7 to 2fbbe42 Compare August 11, 2021 17:23
@pstibrany pstibrany merged commit 2d1604c into cortexproject:master Aug 17, 2021
alvinlin123 added a commit to ac1214/cortex that referenced this pull request Jan 14, 2022
…exproject#4417)

* Fix bug where querier may not be able to achieve max-concurrent

Signed-off-by: Alvin Lin <[email protected]>

* Update change log

Signed-off-by: Alvin Lin <[email protected]>

* Update CHANGELOG.md

Co-authored-by: Bryan Boreham <[email protected]>
Signed-off-by: Alvin Lin <[email protected]>

* Update pkg/querier/worker/worker_test.go

Co-authored-by: Arve Knudsen <[email protected]>
Signed-off-by: Alvin Lin <[email protected]>

* Address PR comments

Signed-off-by: Alvin Lin <[email protected]>

Co-authored-by: Bryan Boreham <[email protected]>
Co-authored-by: Arve Knudsen <[email protected]>
Signed-off-by: Alvin Lin <[email protected]>
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If I restart the query-frontend while queriers are running then we can't achieve -querier.max-concurrent
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