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https://issues.apache.org/jira/browse/HBASE-10095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13852690#comment-13852690
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Anoop Sam John commented on HBASE-10095:
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[~apurtell] We can do this in a 0.98 point release ?
> 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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