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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-10095) Selective WALEdit encryption
Date Sun, 11 May 2014 10:58:16 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-10095.
------------------------------------

    Resolution: Duplicate
      Assignee:     (was: Andrew Purtell)

Dup of HBASE-10077

> Selective WALEdit encryption
> ----------------------------
>
>                 Key: HBASE-10095
>                 URL: https://issues.apache.org/jira/browse/HBASE-10095
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>
> 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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