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andrross merged 1 commit into from
Jan 28, 2026
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Use compact object headers with JDK25+ #20392

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -29,6 +29,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
- Add support for missing proto fields in GRPC FunctionScore and Highlight ([#20169](https://github.com/opensearch-project/OpenSearch/pull/20169))
- Ensure all modules are included in INTEG_TEST testcluster distribution ([#20241](https://github.com/opensearch-project/OpenSearch/pull/20241))
- Cleanup HttpServerTransport.Dispatcher in Netty tests ([#20160](https://github.com/opensearch-project/OpenSearch/pull/20160))
- Use compact object headers with JDK25+ ([#20392](https://github.com/opensearch-project/OpenSearch/pull/20392))
- Add `cluster.initial_cluster_manager_nodes` to testClusters OVERRIDABLE_SETTINGS ([#20348](https://github.com/opensearch-project/OpenSearch/pull/20348))
- Add BigInteger support for unsigned_long fields in gRPC transport ([#20346](https://github.com/opensearch-project/OpenSearch/pull/20346))
- Install demo security information when running ./gradlew run -PinstalledPlugins="['opensearch-security']" ([#20372](https://github.com/opensearch-project/OpenSearch/pull/20372))
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2 changes: 2 additions & 0 deletions distribution/src/config/jvm.options
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Expand Up @@ -91,3 +91,5 @@ ${error.file}
# prevent issues like "leaked" maps or performance degradation. A value of 1 effectively
# disables the shared Arena pooling and uses a confined Arena for each MMapDirectory
-Dorg.apache.lucene.store.MMapDirectory.sharedArenaMaxPermits=1

25-:-XX:+UseCompactObjectHeaders
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