For segrep enabled indices, use NRTReplicationEngine for replica shards #486
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Signed-off-by: Suraj Singh <surajrider@gmail.com>
ankitkala
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Aug 19, 2022
src/main/kotlin/org/opensearch/replication/ReplicationPlugin.kt
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Signed-off-by: Suraj Singh <surajrider@gmail.com>
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ankitkala
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| Optional.of(EngineFactory { config -> ReplicationEngine(config) }) | ||
| Optional.of(EngineFactory { config -> | ||
| // Use NRTSegmentReplicationEngine for SEGMENT replication type indices replica shards | ||
| if (config.isReadOnlyReplica && indexSettings.settings.get(INDEX_REPLICATION_TYPE_SETTING.key) != null && indexSettings.settings.get(INDEX_REPLICATION_TYPE_SETTING.key).equals("SEGMENT")) { |
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- we can drop explicit
nullcheck and use "?" instead for obtaining replication type setting. - Can we use constant for "SEGMENT" (from the allowed values)?
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Looks like config.isReadOnlyReplica already have segrep settings check inside EngineConfig. Removing segrep setting explicit check.
public boolean isReadOnlyReplica() {
return indexSettings.isSegRepEnabled() && isReadOnlyReplica;
}
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Codecov Report
@@ Coverage Diff @@
## main #486 +/- ##
============================================
- Coverage 75.16% 73.05% -2.12%
+ Complexity 1007 983 -24
============================================
Files 141 141
Lines 4579 4595 +16
Branches 506 506
============================================
- Hits 3442 3357 -85
- Misses 823 925 +102
+ Partials 314 313 -1
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ankitkala
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saikaranam-amazon
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…ds (#486) (#533) * Update engine factory to return NRTReplicationEngine for replica shards Signed-off-by: Suraj Singh <surajrider@gmail.com> * Address review comments Signed-off-by: Suraj Singh <surajrider@gmail.com> Signed-off-by: Suraj Singh <surajrider@gmail.com> (cherry picked from commit 81c2002) Co-authored-by: Suraj Singh <surajrider@gmail.com>
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Signed-off-by: Suraj Singh surajrider@gmail.com
Description
Update EngineFactory to return NRTReplicationEngine for SegRep enabled replica shards. Today both primary & replica uses ReplicationEngine (extends InternalEngine from OpenSearch) though NRTReplicationEngine is needed on replica shards for SegmentReplication to work.
Resolves
opensearch-project/OpenSearch#3823
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