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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2014/02/03 20:45:07 UTC

[jira] [Updated] (HBASE-10063) Consider lighter weight generation of IVs for WAL entries

     [ https://issues.apache.org/jira/browse/HBASE-10063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell updated HBASE-10063:
-----------------------------------

    Fix Version/s:     (was: 0.98.1)

> 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
>            Assignee: 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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