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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-20894) Move BucketCache from java serialization to protobuf
Date Sat, 28 Jul 2018 21:17:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-20894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16560894#comment-16560894
] 

stack commented on HBASE-20894:
-------------------------------

Added a suggestion (See  [^0001-Write-the-CacheableDeserializerIdManager-index-into-.patch]
). It is incomplete. Missing is some serialization juggling (TODO). Patch removes an indirection
that we have in naming BucketEntry deserializers. If we are breaking serialization -- i.e.
moving from one serialization type to another -- this is an opportunity for simplifying this
bit of cryptic code. Perhaps integrate this patch? I'll finish it up if wanted (This suggestion
comes of an innocent [~mdrob] question asking what is UniqueIndexMap for?).

> 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
>            Assignee: Mike Drob
>            Priority: Major
>             Fix For: 3.0.0
>
>         Attachments: 0001-Write-the-CacheableDeserializerIdManager-index-into-.patch,
HBASE-20894.WIP-2.patch, HBASE-20894.WIP.patch, HBASE-20894.master.001.patch, HBASE-20894.master.002.patch,
HBASE-20894.master.003.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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