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- Add bitmap64 query support ([#20606](https://github.com/opensearch-project/OpenSearch/pull/20606))
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- Add ProfilingWrapper interface for plugin access to delegates in profiling decorators ([#20607](https://github.com/opensearch-project/OpenSearch/pull/20607))
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- Support expected cluster name with validation in CCS Sniff mode ([#20532](https://github.com/opensearch-project/OpenSearch/pull/20532))
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- Choose the best performing node when writing with append-only index ([#20065](https://github.com/opensearch-project/OpenSearch/pull/20065))
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- Add security policy to allow `accessUnixDomainSocket` in `transport-grpc` module ([#20463](https://github.com/opensearch-project/OpenSearch/pull/20463), [#20649](https://github.com/opensearch-project/OpenSearch/pull/20649))
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- Add range validations in query builder and field mapper ([#20497](https://github.com/opensearch-project/OpenSearch/issues/20497))
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- Support TLS cert hot-reload for Arrow Flight transport ([#20700](https://github.com/opensearch-project/OpenSearch/pull/20700))
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-[Workload Management] Enhance Scroll API support for autotagging ([#20151](https://github.com/opensearch-project/OpenSearch/pull/20151))
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- Add indices to search request slowlog ([#20588](https://github.com/opensearch-project/OpenSearch/pull/20588))
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- Add mapper_settings support and field_mapping mapper type for pull-based ingestion([#20722](https://github.com/opensearch-project/OpenSearch/pull/20722))
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- Introduced strategy planner interfaces for indexing and deletion ([#20585](https://github.com/opensearch-project/OpenSearch/pull/20585))
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- Implement FieldMappingIngestionMessageMapper for pull-based ingestion ([#20729](https://github.com/opensearch-project/OpenSearch/pull/20729))
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- Added support of WarmerRefreshListener in NRTReplicationEngine to trigger warmer after replication on replica shards ([#20650](https://github.com/opensearch-project/OpenSearch/pull/20650))
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- WLM group custom search settings - groundwork and timeout ([#20536](https://github.com/opensearch-project/OpenSearch/issues/20536))
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- Add ingest pipeline support for pull-based ingestion ([#20873](https://github.com/opensearch-project/OpenSearch/issues/20873))
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- Expose JVM runtime metrics via telemetry framework ([#20844](https://github.com/opensearch-project/OpenSearch/pull/20844))
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- Add intra segment support for single-value metric aggregations ([#20503](https://github.com/opensearch-project/OpenSearch/pull/20503))
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- Add new setting property 'Sensitive' for tiering dynamic settings ([#20901](https://github.com/opensearch-project/OpenSearch/pull/20901))
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- Add ref_path support for package-based hunspell dictionary loading ([#20840](https://github.com/opensearch-project/OpenSearch/pull/20840))
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- Add support for enabling pluggable data formats, starting with phase-1 of decoupling shard from engine, and introducing basic abstractions ([#20675](https://github.com/opensearch-project/OpenSearch/pull/20675))
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- Add concurrent queue in libs and composite engine sandbox plugin ([#20909](https://github.com/opensearch-project/OpenSearch/pull/20909))
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- Add interface for the Multi format merge flow ([#20908](https://github.com/opensearch-project/OpenSearch/pull/20908))
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- Add CatalogSnapshotManager lifecycle management with reference-counted snapshot tracking and serialization support for Segment and WriterFileSet ([#20982](https://github.com/opensearch-project/OpenSearch/pull/20982))
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- Add warmup phase to wait for lag to catch up in pull-based ingestion before serving ([#20526](https://github.com/opensearch-project/OpenSearch/pull/20526))
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- Add a new static method to IndicesOptions API to expose `STRICT_EXPAND_OPEN_HIDDEN_FORBID_CLOSED` index option ([#20980](https://github.com/opensearch-project/OpenSearch/pull/20980))
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- Add changes for parquet only query with datafusion ([#21057](https://github.com/opensearch-project/OpenSearch/pull/21057))
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- Add skeleton structure for tiering status API ([#21017](https://github.com/opensearch-project/OpenSearch/pull/21017))
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### Changed
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- Make telemetry `Tags` immutable ([#20788](https://github.com/opensearch-project/OpenSearch/pull/20788))
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- Move Randomness from server to libs/common ([#20570](https://github.com/opensearch-project/OpenSearch/pull/20570))
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- Use env variable (OPENSEARCH_FIPS_MODE) to enable opensearch to run in FIPS enforced mode instead of checking for existence of bcFIPS jars ([#20625](https://github.com/opensearch-project/OpenSearch/pull/20625))
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- Update streaming flag to use search request context ([#20530](https://github.com/opensearch-project/OpenSearch/pull/20530))
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- Move pull-based ingestion classes from experimental to publicAPI ([#20704](https://github.com/opensearch-project/OpenSearch/pull/20704))
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- Lazy init stored field reader in SourceLookup ([#20827](https://github.com/opensearch-project/OpenSearch/pull/20827))
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* Improved error message when trying to open an index originally created with Elasticsearch on OpenSearch ([#20512](https://github.com/opensearch-project/OpenSearch/pull/20512))
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- Updated MMapDirectory to use ReadAdviseByContext rather than default readadvise of Lucene([#21031](https://github.com/opensearch-project/OpenSearch/pull/21031))
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### Fixed
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- Relax index template pattern overlap check to use minimum-string heuristic, allowing distinguishable multi-wildcard patterns at the same priority ([#20702](https://github.com/opensearch-project/OpenSearch/pull/20702))
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- Fix `AutoForceMergeMetrics` silently dropping tags due to unreassigned `addTag()` return value ([#20788](https://github.com/opensearch-project/OpenSearch/pull/20788))
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- Fix flaky test failures in ShardsLimitAllocationDeciderIT ([#20375](https://github.com/opensearch-project/OpenSearch/pull/20375))
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- Prevent criteria update for context aware indices ([#20250](https://github.com/opensearch-project/OpenSearch/pull/20250))
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- Update EncryptedBlobContainer to adhere limits while listing blobs in specific sort order if wrapped blob container supports ([#20514](https://github.com/opensearch-project/OpenSearch/pull/20514))
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-[segment replication] Fix segment replication infinite retry due to stale metadata checkpoint ([#20551](https://github.com/opensearch-project/OpenSearch/pull/20551))
- Service does not start on Windows with OpenJDK ([#20615](https://github.com/opensearch-project/OpenSearch/pull/20615))
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- Update RemoteClusterStateCleanupManager to performed batched deletions of stale ClusterMetadataManifests and address deletion timeout issues ([#20566](https://github.com/opensearch-project/OpenSearch/pull/20566))
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- Fix the regression of terms agg optimization at high cardinality ([#20623](https://github.com/opensearch-project/OpenSearch/pull/20623))
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- Leveraging segment-global ordinal mapping for efficient terms aggregation ([#20624](https://github.com/opensearch-project/OpenSearch/pull/20624))
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- Support Docker distribution builds for ppc64le, arm64 and s390x ([#20678](https://github.com/opensearch-project/OpenSearch/pull/20678))
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- Harden detection of HTTP/3 support by ensuring Quic native libraries are available for the target platform ([#20680](https://github.com/opensearch-project/OpenSearch/pull/20680))
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- Fallback to netty client if AWS Crt client is not available on the target platform / architecture ([#20698](https://github.com/opensearch-project/OpenSearch/pull/20698))
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- Fix ShardSearchFailure in transport-grpc ([#20641](https://github.com/opensearch-project/OpenSearch/pull/20641))
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- Fix TLS cert hot-reload for Arrow Flight transport ([#20732](https://github.com/opensearch-project/OpenSearch/pull/20732))
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- Fix misleading heap usage cancellation message in SearchBackpressureService ([#20779](https://github.com/opensearch-project/OpenSearch/pull/20779))
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- Fix task details JSON logs with nested JSON in metadata are not properly escaped ([#20802](https://github.com/opensearch-project/OpenSearch/pull/20802))
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- Delegate getMin/getMax methods for ExitableTerms ([#20775](https://github.com/opensearch-project/OpenSearch/pull/20775))
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- Fix terms lookup subquery fetch limit reading from non-existent index setting instead of cluster `max_clause_count` ([#20823](https://github.com/opensearch-project/OpenSearch/pull/20823))
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- Fix array_index_out_of_bounds_exception with wildcard and aggregations ([#20842](https://github.com/opensearch-project/OpenSearch/pull/20842))
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- Fix stale segment cleanup logic for remote store ([#20976](https://github.com/opensearch-project/OpenSearch/pull/20976))
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- Ensure that transient ThreadContext headers with propagators survive restore ([#169373](https://github.com/opensearch-project/OpenSearch/pull/20854))
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- Remove X-Request-Id format restrictions and make size configurable ([#21048](https://github.com/opensearch-project/OpenSearch/pull/21048))
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- Handle dependencies between analyzers ([#19248](https://github.com/opensearch-project/OpenSearch/pull/19248))
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- Restore default `shard_path_type` to FIXED for snapshot repositories ([#20643](https://github.com/opensearch-project/OpenSearch/issues/20643))
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- Fix `_field_caps` returning empty results and corrupted field names for `disable_objects: true` mappings ([#20800](https://github.com/opensearch-project/OpenSearch/pull/20800))
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- Fix race condition in PeerFinder where concurrent connection attempts could fail ([#21055](https://github.com/opensearch-project/OpenSearch/pull/21055))
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### Dependencies
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- Bump shadow-gradle-plugin from 8.3.9 to 9.3.1 ([#20569](https://github.com/opensearch-project/OpenSearch/pull/20569))
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- Bump `ch.qos.logback:logback-core` and `ch.qos.logback:logback-classic` from 1.5.24 to 1.5.27 ([#20525](https://github.com/opensearch-project/OpenSearch/pull/20525))
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- Bump `org.apache.commons:commons-text` from 1.14.0 to 1.15.0 ([#20576](https://github.com/opensearch-project/OpenSearch/pull/20576))
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- Bump `aws-actions/configure-aws-credentials` from 5 to 6 ([#20577](https://github.com/opensearch-project/OpenSearch/pull/20577))
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- Bump `netty` from 4.2.9.Final to 4.2.12.Final ([#20586](https://github.com/opensearch-project/OpenSearch/pull/20586), [#20997](https://github.com/opensearch-project/OpenSearch/pull/20997), [#20998](https://github.com/opensearch-project/OpenSearch/pull/20998))
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- Bump Apache Lucene from 10.3.2 to 10.4.0 ([#20735](https://github.com/opensearch-project/OpenSearch/pull/20735))
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- Bump `reactor-netty` from 1.3.2 to 1.3.4 ([#20589](https://github.com/opensearch-project/OpenSearch/pull/20589), [#20834](https://github.com/opensearch-project/OpenSearch/pull/20834))
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- Bump `reactor` from 3.8.2 to 3.8.4 ([#20589](https://github.com/opensearch-project/OpenSearch/pull/20589), [#20834](https://github.com/opensearch-project/OpenSearch/pull/20834))
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- Bump `org.jruby.jcodings:jcodings` from 1.0.63 to 1.0.64 ([#20713](https://github.com/opensearch-project/OpenSearch/pull/20713))
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- Bump `org.jruby.joni:joni` from 2.2.3 to 2.2.7 ([#20714](https://github.com/opensearch-project/OpenSearch/pull/20714), [#20759](https://github.com/opensearch-project/OpenSearch/pull/20759))
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- Bump `tj-actions/changed-files` from 47.0.1 to 47.0.5 ([#20638](https://github.com/opensearch-project/OpenSearch/pull/20638), [#20716](https://github.com/opensearch-project/OpenSearch/pull/20716), [#20801](https://github.com/opensearch-project/OpenSearch/pull/20801))
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- Bump `com.nimbusds:nimbus-jose-jwt` from 10.7 to 10.8 ([#20715](https://github.com/opensearch-project/OpenSearch/pull/20715))
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- Bump OpenTelemetry to 1.60.1 and OpenTelemetry Semconv to 1.40.0 ([#20737](https://github.com/opensearch-project/OpenSearch/pull/20737), [#20797](https://github.com/opensearch-project/OpenSearch/pull/20797))
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- Bump `ch.qos.logback:logback-classic` from 1.5.27 to 1.5.32 ([#20761](https://github.com/opensearch-project/OpenSearch/pull/20761))
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- Bump `actions/upload-artifact` from 6 to 7 ([#20762](https://github.com/opensearch-project/OpenSearch/pull/20762))
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- Bump `org.tukaani:xz` from 1.11 to 1.12 ([#20760](https://github.com/opensearch-project/OpenSearch/pull/20760))
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- Bump `org.jline:jline` from 3.30.6 to 4.0.0 ([#20800](https://github.com/opensearch-project/OpenSearch/pull/20800))
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- Bump `com.netflix.nebula.ospackage-base` from 12.2.0 to 12.3.0 ([#20799](https://github.com/opensearch-project/OpenSearch/pull/20799))
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- Bump `com.netflix.nebula:gradle-info-plugin` to 16.2.1 ([#20825](https://github.com/opensearch-project/OpenSearch/pull/20825))
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- Bump `org.apache.logging.log4j:log4j-core` from 2.25.3 to 2.25.4 ([#21040](https://github.com/opensearch-project/OpenSearch/pull/21040))
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- Bump `com.sun.xml.bind:jaxb-impl` from 4.0.6 to 4.0.7 ([#20886](https://github.com/opensearch-project/OpenSearch/pull/20886))
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- Bump `lycheeverse/lychee-action` from 2.7.0 to 2.8.0 ([#20888](https://github.com/opensearch-project/OpenSearch/pull/20888))
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- Update Jackson to 2.21.2 ([#20989](https://github.com/opensearch-project/OpenSearch/pull/20989))
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- Bump `org.apache.zookeeper:zookeeper` from 3.9.4 to 3.9.5 ([#20887](https://github.com/opensearch-project/OpenSearch/pull/20887))
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- Bump `actions/github-script` from 7 to 8 ([#21042](https://github.com/opensearch-project/OpenSearch/pull/21042))
Copy file name to clipboardExpand all lines: DEVELOPER_GUIDE.md
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-[Install Prerequisites](#install-prerequisites)
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-[JDK](#jdk)
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-[Custom Runtime JDK](#custom-runtime-jdk)
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-[Rust and Protoc](#rust-and-protoc)
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-[Windows](#windows)
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-[Docker](#docker)
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-[Build](#build)
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Other kind of test tasks (integration, cluster, etc.) use the same runtime as `JAVA_HOME`. However, the build also supports compiling with one version of JDK, and testing on a different version. To do this, set `RUNTIME_JAVA_HOME` pointing to the Java home of another JDK installation, e.g. `RUNTIME_JAVA_HOME=/usr/lib/jvm/jdk-14`. Alternatively, the runtime JDK version could be provided as the command line argument, using combination of `runtime.java=<major JDK version>` property and `JAVA<major JDK version>_HOME` environment variable, for example `./gradlew -Druntime.java=17 ...` (in this case, the tooling expects `JAVA17_HOME` environment variable to be set).
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#### Rust and Protoc
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Sandbox plugins such as `analytics-backend-datafusion` include a native Rust component that is compiled via Cargo during the Gradle build. Building the full project (including sandbox) requires:
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1.**Rust toolchain**: Install via [rustup](https://rustup.rs/):
- Or download from [protobuf releases](https://github.com/protocolbuffers/protobuf/releases)
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#### Windows
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On Windows, set `_JAVA_OPTIONS: -Xmx4096M`. You may also need to set `LongPathsEnabled=0x1` under `Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem`.
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