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https://issues.apache.org/jira/browse/CASSANDRA-420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12751475#action_12751475
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Jonathan Ellis commented on CASSANDRA-420:
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Can you extend this to support the other partitioners as well?
Probably the easiest way is to make DK a (Token decoration, String key) tuple,
since the different Token subclasses already wrap the different decorations
(BigInteger, byte[]). May or may not be worth special-casing OPP (whose
StringToken is just a wrapper around the key in question) to have null
decoration.
> Improve performance of BinaryMemtable sort phase
> ------------------------------------------------
>
> Key: CASSANDRA-420
> URL: https://issues.apache.org/jira/browse/CASSANDRA-420
> Project: Cassandra
> Issue Type: Improvement
> Affects Versions: 0.5
> Reporter: Johan Oskarsson
> Priority: Minor
> Fix For: 0.5
>
> Attachments: CASSANDRA-420.patch
>
>
> The BinaryMemtable sorts an array of decorated keys. There are a lot of
> string operations and object allocation in the comparator that could be
> avoided to improve performance..
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