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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10095) Selective WALEdit encryption
Date Thu, 19 Dec 2013 08:09:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13852719#comment-13852719
] 

Anoop Sam John commented on HBASE-10095:
----------------------------------------

That will be great then ..

> Selective WALEdit encryption
> ----------------------------
>
>                 Key: HBASE-10095
>                 URL: https://issues.apache.org/jira/browse/HBASE-10095
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.98.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>             Fix For: 0.98.0
>
>
> The SecureWALProtobufWriter currently will encrypt every WAL entry if WAL encryption
is enabled. However, SecureWALProtobufReader can distinguish between encrypted and unencrypted
entries, and we encrypt every entry individually in part because the reader can skip and seek
around during split and recovery, but also in part to enable selective encryption of WALedits.
We should consider encrypting only the WALedits of column families for which HBASE-7544 features
are configured. If few column families are encrypted relative to all CFs on the cluster, the
performance difference will be significant.



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