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https://issues.apache.org/jira/browse/GEODE-10471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jinwoo Hwang resolved GEODE-10471.
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Resolution: Fixed
> Upgrade Apache Lucene from version 6.6.6 to 9
> ---------------------------------------------
>
> Key: GEODE-10471
> URL: https://issues.apache.org/jira/browse/GEODE-10471
> Project: Geode
> Issue Type: Improvement
> Reporter: Jinwoo Hwang
> Assignee: Jinwoo Hwang
> Priority: Major
> Fix For: 2.0.0
>
>
> *Overview:* Apache Geode currently uses Apache Lucene 6.6.6 for its full-text
> search capabilities through the geode-lucenemodule. This version is
> significantly outdated and should be upgraded to Lucene 9 to benefit from
> performance improvements, security fixes, new features, and continued
> community support.
> *Current State:*
> * *Current Version:* Apache Lucene 6.6.6 (defined in dependency management
> configuration)
> * *Affected Artifacts:*
> ** org.apache.lucene:lucene-core
> ** org.apache.lucene:lucene-analyzers-common
> ** org.apache.lucene:lucene-analyzers-phonetic
> ** org.apache.lucene:lucene-queryparser
> ** org.apache.lucene:lucene-test-framework
> *Impact Assessment:* The geode-lucene module provides critical functionality
> for:
> * Creating and managing Lucene indexes on Geode regions
> * Full-text search capabilities via LuceneQuery API
> * Text analysis and tokenization through various analyzers
> * GFSH command-line interface for Lucene operations (search lucene, list
> lucene, create lucene index, etc.)
> * Integration with Geode's distributed architecture
> *Benefits of Upgrading:*
> # *Performance Improvements:* Lucene 9.x includes significant performance
> optimizations for indexing and search operations
> # *Security:* Access to latest security patches and vulnerability fixes
> # *New Features:* Enhanced query capabilities, improved analyzers, and
> better memory management
> # *Long-term Support:* Lucene 6.6.6 is no longer maintained; upgrading
> ensures ongoing community support
> # *Java Compatibility:* Better support for newer Java versions
> *Migration Considerations:*
> # *API Changes:* Review Lucene 9.x migration guide for potential breaking
> changes in APIs used by Geode
> # *Index Compatibility:* Evaluate if existing Lucene indexes created with
> 6.6.6 are compatible with 9.x or require reindexing
> # *Analyzer Changes:* Verify that custom and built-in analyzers work
> correctly with the new version
> # *Test Impact:* Extensive testing of all Lucene-related functionality in
> integration, distributed, and upgrade tests
> # *Performance Validation:* Benchmark performance before and after upgrade
> to ensure no regressions
> *Files to Update:*
> * Dependency management configuration files
> * Any direct Lucene API usage in geode-lucene module source code
> * Related test cases and integration tests
> * Documentation updates for any API changes
> *Testing Strategy:*
> * Run all existing geode-lucene test suites (unit, integration, distributed,
> upgrade tests)
> * Validate CLI functionality through GFSH integration tests
> * Performance testing to ensure no degradation in search/indexing operations
> * Rolling upgrade tests to ensure backward compatibility during cluster
> upgrades
> *Acceptance Criteria:*
> * All Lucene dependencies upgraded to 9.x version
> * All existing tests pass with new Lucene version
> * No performance regressions in search/indexing operations
> * GFSH Lucene commands continue to function correctly
> * Documentation updated to reflect any API changes
> * Rolling upgrade compatibility maintained
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