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https://issues.apache.org/jira/browse/HBASE-10063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell resolved HBASE-10063.
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Resolution: Not a Problem
> Consider lighter weight generation of IVs for WAL entries
> ---------------------------------------------------------
>
> Key: HBASE-10063
> URL: https://issues.apache.org/jira/browse/HBASE-10063
> Project: HBase
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Priority: Minor
>
> In SecureWALCellCodec#EncryptedKvEncoder#write we get the IV for the entry
> from the secure RNG. This can be a heavyweight operation if not using an
> accelerated RNG. Consider something lighter weight. One option could be to
> create a random IV only once, store it in the header, and then increment it
> per cell.
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