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https://issues.apache.org/jira/browse/HBASE-10077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13912408#comment-13912408
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Andrew Purtell commented on HBASE-10077:
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One way to handle this is by putting in support for multiple WALs, adding one
WAL to the multi-WAL configuration for encrypted families, and enabling
encryption just on that WAL. That could be a nice clean way to implement this.
> Per family WAL encryption
> -------------------------
>
> Key: HBASE-10077
> URL: https://issues.apache.org/jira/browse/HBASE-10077
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.98.0
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
>
> HBASE-7544 introduces WAL encryption to prevent the leakage of protected data
> to disk by way of WAL files. However it is currently enabled globally for the
> regionserver. Encryption of WAL entries should depend on whether or not an
> entry in the WAL is to be stored within an encrypted column family.
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