If you have to try a high compression level, please assign enough window size. if tweaked correctly your process will consume less memory. you get access to features like SSL, SASL, and Kerberos. In my case, zstd / level=1 / window=0 was the best configuration setting focusing speed by lowering the level showed a good result, with good compressed size. you will be able to produce & consume faster (by a magnitude compared to the JS client) you can tweak the consumer and producer setup better full list of config params.In the case of lz4, the default options showed the best performance If you are not in an extreme case, don’t touch it.If you are using snappy, assigning enough block size is suitable for compression/decompression speed and size.If you are using gzip, assign enough buffer to cover the data size.In general, the compressed ratio order was: zstd > gzip > lz4 > snappy. ![]() If you are free to choose the compression codec, starting with zstd is a good choice.Implementation group: '', name: 'kafka-clients', version: '3.0.0'įor the detailed benchmark results, please refer the KIP document. If you downloaded the prebuilt tarball, just extract it at $. You can download the preview version based on the official Kafka release here: How to use the PreviewĪs of the present, I am working on this issue at this branch (compresion level) and this branch (other options. This preview adds the functionality above to the official kafka-clients package Its goal is to provide a chance to test the functionality with various inputs.ĭISCLAIMER: For testing purposes only - I can’t guarantee anything. (available: 0 or, default: 0 (disables long mode.)) : Enables long mode the log of the window size that zstd uses to memorize the compressing data.(available:, (means 64kb, 256kb, 1mb, 4mb respectively), default: 4.) : The buffer size that feeds raw input into the Deflator or is fed by the uncompressed output from the Deflator.KIP-780: Support fine-grained compression options (under discussion).KIP-390: Support Compression Level (accepted).The following KIPs propose to add supports to the compression options: ![]() Although compression is one of the best ways to improve client performance, Kafka currently does not provide a way to finely-tune the codec’s compression/decompression behavior. As of present, Apache Kafka supports four compression codecs: gzip, snappy, lz4, and zstd.
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