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https://issues.apache.org/jira/browse/KAFKA-5831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16152509#comment-16152509
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fengchaoli commented on KAFKA-5831:
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In my test case
use 1K buffer , 18% compression ration
use 32K buffer, 39% compression ration
> MemoryRecordsBuilder uses small compression buffer leading to snappy low
> compression ratio
> --------------------------------------------------------------------------------------------
>
> Key: KAFKA-5831
> URL: https://issues.apache.org/jira/browse/KAFKA-5831
> Project: Kafka
> Issue Type: Improvement
> Components: clients
> Affects Versions: 0.10.0.0, 0.10.2.0, 0.10.2.1
> Environment: kafka-0.10.2.1
> Reporter: fengchaoli
>
> MemoryRecordsBuilder creates 'SnappyOutputStream' with 1K compression buffer
> ( SnappyOutputStream default is 32K), which causes snappy compression ratio
> very lower.
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