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Disallow snapshot deletion while a v2 snapshot is in progress #16430

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merged 2 commits into from
Oct 23, 2024

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gbbafna
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@gbbafna gbbafna commented Oct 22, 2024

Description

Earlier we were accepting deletes while a create/clone v2 operation was going on . Post create/clone, we did a runNextQueuedOperation to run the queued operation . However , runNextQueuedOperation creates a pending task of NORMAL priority . In cases where pending tasks are high , this will starve. Meanwhile , the new create/clone v2 snapshots also can't start as it won't get the repo lock .

To solve for this, we are not accepting deletes when a create/clone v2 operation is going on and have now removed the runNextQueuedOperation.

% curl localhost:9200/_cat/pending_tasks
374716  3.7s HIGH   cluster_reroute(reroute after balanced shards allocator timed out)
374646 24.1m NORMAL Run ready deletions

Check List

  • Functionality includes testing.
  • API changes companion pull request created, if applicable.
  • Public documentation issue/PR created, if applicable.

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@gbbafna gbbafna added skip-changelog backport 2.x Backport to 2.x branch labels Oct 22, 2024
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❌ Gradle check result for 2907d52: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

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✅ Gradle check result for 00bbd7e: SUCCESS

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codecov bot commented Oct 23, 2024

Codecov Report

Attention: Patch coverage is 63.63636% with 4 lines in your changes missing coverage. Please review.

Project coverage is 71.97%. Comparing base (1982427) to head (00bbd7e).
Report is 8 commits behind head on main.

Files with missing lines Patch % Lines
...ava/org/opensearch/snapshots/SnapshotsService.java 63.63% 3 Missing and 1 partial ⚠️
Additional details and impacted files
@@             Coverage Diff              @@
##               main   #16430      +/-   ##
============================================
- Coverage     72.11%   71.97%   -0.15%     
+ Complexity    65044    64973      -71     
============================================
  Files          5313     5313              
  Lines        303287   303296       +9     
  Branches      43883    43884       +1     
============================================
- Hits         218729   218300     -429     
- Misses        66593    67080     +487     
+ Partials      17965    17916      -49     

☔ View full report in Codecov by Sentry.
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@sachinpkale
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Changes are covered as part of integ tests, bypassing CodeCov

@sachinpkale sachinpkale merged commit bb1359f into opensearch-project:main Oct 23, 2024
37 of 38 checks passed
opensearch-trigger-bot bot pushed a commit that referenced this pull request Oct 23, 2024
---------

Signed-off-by: Gaurav Bafna <[email protected]>
(cherry picked from commit bb1359f)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
gbbafna pushed a commit that referenced this pull request Oct 23, 2024
#16450)

---------


(cherry picked from commit bb1359f)

Signed-off-by: Gaurav Bafna <[email protected]>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
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2 participants