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From "Chia-Ping Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17882) Why do the WalEdit implement the Writable interface
Date Thu, 06 Apr 2017 04:25:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15958267#comment-15958267

Chia-Ping Tsai commented on HBASE-17882:

bq. Would this be a problem?
No, i just noticed that KeyValueCompression is deprecated and it is used in the WalEdit only.

bq. Concern is a new version being able to read old WALs
It is a nice reason.

Thanks for your feedback. [~stack]

> Why do the WalEdit implement the Writable interface
> ---------------------------------------------------
>                 Key: HBASE-17882
>                 URL: https://issues.apache.org/jira/browse/HBASE-17882
>             Project: HBase
>          Issue Type: Brainstorming
>            Reporter: Chia-Ping Tsai
>            Priority: Minor
> Do we have any use cases? (serialize/deserialize the WalEdit between mapper and reducer?)
If not, we should make WalEdit not implement the Writable interface.

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