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https://issues.apache.org/jira/browse/KAFKA-3174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15125169#comment-15125169
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Ismael Juma commented on KAFKA-3174:
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That's good to know Gwen. Still, we were recommending Java 7 in our
documentation until very recently and we still claim to support it. If it's
straigforward to avoid the performance regression, why not do it?
If we believe users have moved on to 8, we should just drop support for 7. That
would make things easier for us on many levels.
> Re-evaluate the CRC32 class performance.
> ----------------------------------------
>
> Key: KAFKA-3174
> URL: https://issues.apache.org/jira/browse/KAFKA-3174
> Project: Kafka
> Issue Type: Improvement
> Affects Versions: 0.9.0.0
> Reporter: Jiangjie Qin
> Assignee: Jiangjie Qin
> Fix For: 0.9.0.1
>
>
> We used org.apache.kafka.common.utils.CRC32 in clients because it has better
> performance than java.util.zip.CRC32 in Java 1.6.
> In a recent test I ran it looks in Java 1.8 the CRC32 class is 2x as fast as
> the Crc32 class we are using now. We may want to re-evaluate the performance
> of Crc32 class and see it makes sense to simply use java CRC32 instead.
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