[release-v2.7] Fix querier panics #4901
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* fix forIngesterRings Signed-off-by: Joe Elliott <[email protected]> * fix generators Signed-off-by: Joe Elliott <[email protected]> * refactor to pass the funcs in directly Signed-off-by: Joe Elliott <[email protected]> * fix breaks Signed-off-by: Joe Elliott <[email protected]> * improve error Signed-off-by: Joe Elliott <[email protected]> * got rid of metrics collector Signed-off-by: Joe Elliott <[email protected]> * chagnelog Signed-off-by: Joe Elliott <[email protected]> * fix found behavior Signed-off-by: Joe Elliott <[email protected]> --------- Signed-off-by: Joe Elliott <[email protected]> (cherry picked from commit 6d70705)
joe-elliott
requested review from
electron0zero,
ie-pham,
javiermolinar,
mapno,
mdisibio,
stoewer,
yvrhdn and
zalegrala
as code owners
mdisibio
approved these changes
Mar 25, 2025
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Backport 6d70705 from #4790
What this PR does:
A panic was introduced here by abusing the ring forEach function to collect results. replicationSet.Do can return before all reads are complete if quorum is reached. Under certain, rare circumstances this caused the forEach function to modify a result here after it has already been returned and was being marshalled by the gRPC stack into proto.
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]