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[Backport 2.x] Fix SegmentReplicationUsingRemoteStoreIT#testDropPrimaryDuringReplication. (#9471) #9648

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merged 1 commit into from
Aug 31, 2023
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[Backport 2.x] Fix SegmentReplicationUsingRemoteStoreIT#testDropPrimaryDuringReplication. (#9471) #9648

merged 1 commit into from
Aug 31, 2023

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@mch2 mch2 commented Aug 30, 2023

Manual backport of #9471.

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Fix SegmentReplicationUsingRemoteStoreIT#testDropPrimaryDuringReplica…
26230e3 
…tion. (opensearch-project#9471)

* Fix SegmentReplicationUsingRemoteStoreIT#testDropPrimaryDuringReplication.

This test is failing because a concurrent flush can wipe out an old commit file
while we are in the remote store refresh listener. The listener will fetch the latest infos from the reader which will reference a segments_n tht has been deleted by an incoming flush.

To fix this, InternalEngine will preserve the latest commit until a new commit is loaded onto the readerManager.

Signed-off-by: Marc Handalian <[email protected]>

* update InternalEngine to preserve commit file until a new commit is refreshed on.

Signed-off-by: Marc Handalian <[email protected]>

* Update ReadOnlyEngine inside of resetEngineToGlobalCheckpoint to implement getSegmentInfosSnapshot.
This ensures access to this function is not permitted on the ReadOnlyEngine and is delegated to the new IE once opened.

Signed-off-by: Marc Handalian <[email protected]>

* Update javadoc.

Signed-off-by: Marc Handalian <[email protected]>

* spotless.

Signed-off-by: Marc Handalian <[email protected]>

---------

Signed-off-by: Marc Handalian <[email protected]>
(cherry picked from commit 6cd576f)
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Compatibility status:

Checks if related components are compatible with change 26230e3

Incompatible components

Incompatible components: [https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/performance-analyzer.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/security-analytics.git]

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Gradle Check (Jenkins) Run Completed with:

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mch2 commented Aug 30, 2023

Gradle Check (Jenkins) Run Completed with:

#9580

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Gradle Check (Jenkins) Run Completed with:

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Gradle Check (Jenkins) Run Completed with:

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codecov bot commented Aug 31, 2023

Codecov Report

Merging #9648 (26230e3) into 2.x (945c4b5) will increase coverage by 0.09%.
Report is 2 commits behind head on 2.x.
The diff coverage is 78.40%.

@@             Coverage Diff              @@
##                2.x    #9648      +/-   ##
============================================
+ Coverage     70.74%   70.84%   +0.09%     
- Complexity    57629    57696      +67     
============================================
  Files          4769     4770       +1     
  Lines        272600   272704     +104     
  Branches      40132    40149      +17     
============================================
+ Hits         192853   193189     +336     
+ Misses        63281    62962     -319     
- Partials      16466    16553      +87
Files Changed Coverage Δ
...ensearch/indices/replication/common/CopyState.java 91.66% <ø> (+2.77%) ⬆️
...in/java/org/opensearch/index/shard/IndexShard.java 69.14% <50.00%> (+0.06%) ⬆️
...a/org/opensearch/action/search/SearchResponse.java 88.42% <70.00%> (-1.21%) ⬇️
...org/opensearch/search/GenericSearchExtBuilder.java 73.84% <73.84%> (ø)
...va/org/opensearch/index/engine/InternalEngine.java 73.63% <85.71%> (+0.47%) ⬆️
...ensearch/action/search/SearchResponseSections.java 97.43% <100.00%> (+1.13%) ⬆️
...search/search/internal/InternalSearchResponse.java 100.00% <100.00%> (ø)

... and 462 files with indirect coverage changes

@tlfeng tlfeng merged commit 62fa576 into opensearch-project:2.x Aug 31, 2023
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