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https://issues.apache.org/jira/browse/CASSANDRA-3386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13131714#comment-13131714
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Hudson commented on CASSANDRA-3386:
-----------------------------------
Integrated in Cassandra-0.8 #383 (See
[https://builds.apache.org/job/Cassandra-0.8/383/])
avoid locking on update when no indexes are involved
patch by jbellis; reviewed by slebrense for CASSANDRA-3386
jbellis :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1186803
Files :
* /cassandra/branches/cassandra-0.8/CHANGES.txt
* /cassandra/branches/cassandra-0.8/src/java/org/apache/cassandra/db/Table.java
> Avoid lock contention in hint rows
> ----------------------------------
>
> Key: CASSANDRA-3386
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3386
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Affects Versions: 0.7.0
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Fix For: 0.8.8, 1.0.1
>
> Attachments: 3386.txt
>
>
> As pointed out by Yang in CASSANDRA-3385, hint writes are keyed by target IP,
> to make replay efficient. However, this means that we'll hit a lot of lock
> contention in table.apply where we synchronize for potential index updates.
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