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https://issues.apache.org/jira/browse/CASSANDRA-446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Johan Oskarsson updated CASSANDRA-446:
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Attachment: CASSANDRA-446.patch
Updated to work with trunk post CASSANDRA-467. That bug is also solved by this
patch but in a different way.
> Use DecoratedKey objects in Memtable, SSTableReader/Writer objects
> ------------------------------------------------------------------
>
> Key: CASSANDRA-446
> URL: https://issues.apache.org/jira/browse/CASSANDRA-446
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jonathan Ellis
> Fix For: 0.5
>
> Attachments: CASSANDRA-446.patch, CASSANDRA-446.patch
>
>
> See CASSANDRA-420 for introduction of DecoratedKey.
> IMO we should move Memtable and SSTR objects to using DK objects, too. This
> will help Memtable flushes similar to how this helps BMt, and using DK
> objects in SSTR will avoid a ton of potential confusion about whether a
> String is a key or a decorated key.
> As a side benefit, moving the decoration operation out of memtable flush and
> into the insert path will help make better use of multicore systems, since we
> can have multiple write threads but only one core can flush at a time. (See
> CASSANDRA-445.)
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