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[release-2.8.x] Ruler: protect overrides map with mutex when accessing tenant configs #11602

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merged 2 commits into from
Jan 8, 2024

Commits on Jan 8, 2024

  1. Ruler: protect overrides map with mutex when accessing tenant configs (

    …#11601)
    
    **What this PR does / why we need it**:
    A ruler handling many hundreds of rules can provoke a situation where
    the WAL appender reads & modifies tenant configs concurrently in an
    unsafe way; this PR protects that with a mutex.
    
    **Which issue(s) this PR fixes**:
    Fixes #11569
    
    (cherry picked from commit cd3cf62)
    Danny Kopping authored and grafana-delivery-bot[bot] committed Jan 8, 2024
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  2. Update CHANGELOG.md

    Signed-off-by: Danny Kopping <danny.kopping@grafana.com>
    Danny Kopping committed Jan 8, 2024
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