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https://issues.apache.org/jira/browse/HBASE-20894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16545773#comment-16545773
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Vladimir Rodionov commented on HBASE-20894:
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What are criteria of "better", [~mdrob]? Protobuf is much heavier on CPU and
Memory than java - serialization. From performance point of view, I do not
think protobuf is faster, but I would gladly accept perf numbers. Protobuf adds
a additional (useless) generated code to HBase code base. What else? Yes, this
BuckeCache is totally internal feature which is not supposed to be exposed to
a public (I mean serialized data).
> Move BucketCache from java serialization to protobuf
> ----------------------------------------------------
>
> Key: HBASE-20894
> URL: https://issues.apache.org/jira/browse/HBASE-20894
> Project: HBase
> Issue Type: Task
> Components: BucketCache
> Affects Versions: 2.0.0
> Reporter: Mike Drob
> Priority: Major
> Fix For: 3.0.0
>
> Attachments: HBASE-20894.WIP-2.patch, HBASE-20894.WIP.patch
>
>
> We should use a better serialization format instead of Java Serialization for
> the BucketCache entry persistence.
> Suggested by Chris McCown, who does not appear to have a JIRA account.
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