[CELEBORN-2221][CIP-14] Support writing with compression in C++ client #3575
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afterincomparableyum
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Integrate existing compression infrastructure (LZ4 and ZSTD) into the C++ client write path. This enables compression during pushData operations, matching the functionality available in the Java client. Changes: - Add compression support to ShuffleClientImpl: * Add shuffleCompressionEnabled_ flag and compressor_ member * Initialize compressor from CelebornConf in constructor * Compress data in pushData() when compression is enabled * Use compressed size for batchBytesSize tracking - Configuration integration: * Read compression codec from celeborn.client.shuffle.compression.codec * Read ZSTD compression level from celeborn.client.shuffle.compression.zstd.level * Default to NONE (compression disabled) - Retry/revive support: * Retry path correctly uses pre-compressed body buffer * No re-compression needed during retries - Testing: * Add CompressorFactoryTest for factory pattern and config integration * Add compression config tests to CelebornConfTest * Test offset compression support for both LZ4 and ZSTD
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@HolyLow @SteNicholas @FMX @RexXiong Could you please help review this PR? Appreciate your help in improving this as needed! |
SteNicholas
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Jan 20, 2026
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@afterincomparableyum, please fix the failure of CI which is caused by format. |
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@SteNicholas I have fixed the clang format issues. |
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Integrate existing compression infrastructure (LZ4 and ZSTD) into the C++ client write path. This enables compression during pushData operations, matching the functionality available in the Java client.
Changes:
Add compression support to ShuffleClientImpl:
Configuration integration:
Retry/revive support:
Testing:
How was this patch tested?
Unit Tests, as well as compiling code