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Add ZSTD index file compression - #1047
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Add a built-in ZSTD FileCompressor using zstd-jni, selectable with remoteConfig.s3.compressionType: ZSTD. Compression level and worker thread count are configurable via remoteConfig.s3.zstd.level (default 3) and remoteConfig.s3.zstd.workers (default 0). These settings only affect compression, so existing data remains readable when they change. FileCompressorCreator.initialize now takes the NrtsearchConfig, matching the other extendable component creators. Document the S3 compression settings in server_configuration.rst.
vim345
approved these changes
Oct 8, 2026
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Add a built-in ZSTD FileCompressor using zstd-jni, selectable with remoteConfig.s3.compressionType: ZSTD. Compression level and worker thread count are configurable via remoteConfig.s3.zstd.level (default 3) and remoteConfig.s3.zstd.workers (default 0). These settings only affect compression, so existing data remains readable when they change.
FileCompressorCreator.initialize now takes the NrtsearchConfig, matching the other extendable component creators.
Document the S3 compression settings in server_configuration.rst.