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From "Pavel Yaskevich (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-5043) Small CollationController refactoring and CFS.getRawCachedRow(DecoratedKey) fix.
Date Tue, 11 Dec 2012 17:57:21 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-5043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pavel Yaskevich updated CASSANDRA-5043:
---------------------------------------

    Attachment: CASSANDRA-5043-v2.patch

Sorry, it didn't apply because you had to first apply CASSANDRA-5043.patch. Attaching v2 with
combines two patches for 1.2.0 branch and has reduceNameFilter fixed to use container. I don't
think we should bother with one column optimization especially as there are iterators involved,
that would just add complexity to the code.
                
> Small CollationController refactoring and CFS.getRawCachedRow(DecoratedKey) fix.
> --------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-5043
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5043
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Pavel Yaskevich
>            Assignee: Pavel Yaskevich
>            Priority: Minor
>             Fix For: 1.2.0
>
>         Attachments: ABSC-with-addAll-for-time-ordered-data.patch, CASSANDRA-5043.patch,
CASSANDRA-5043-v2.patch
>
>
> CollactionController can construct a factory on init based on mutableColumns parameter.
ArrayBackedSortedColumns proven to be better for counters as well as normal columns (row size
from 5 to 75 columns). CFS.getRawCachedRow would copy key byte array each time it contracts
a RowCacheKey so we want to avoid that where possible.

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