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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2009/04/03 18:04:13 UTC
[jira] Created: (CASSANDRA-50) expunge ConcurrentHashMap
expunge ConcurrentHashMap
-------------------------
Key: CASSANDRA-50
URL: https://issues.apache.org/jira/browse/CASSANDRA-50
Project: Cassandra
Issue Type: Improvement
Reporter: Jonathan Ellis
Attachments: 0001-expunge-ConcurrentHashMap-in-favor-of-NonBlockingHas.patch
Avinash says it is less memory-efficient than NonBlockingHashMap. NBHM also has better performance numbers, although we don't use any of these instances in high-contention scenarios.
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[jira] Resolved: (CASSANDRA-50) expunge ConcurrentHashMap
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-50?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis resolved CASSANDRA-50.
-------------------------------------
Resolution: Fixed
> expunge ConcurrentHashMap
> -------------------------
>
> Key: CASSANDRA-50
> URL: https://issues.apache.org/jira/browse/CASSANDRA-50
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Jonathan Ellis
> Attachments: 0001-expunge-ConcurrentHashMap-in-favor-of-NonBlockingHas.patch
>
>
> Avinash says it is less memory-efficient than NonBlockingHashMap. NBHM also has better performance numbers, although we don't use any of these instances in high-contention scenarios.
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[jira] Updated: (CASSANDRA-50) expunge ConcurrentHashMap
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-50?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-50:
------------------------------------
Attachment: 0001-expunge-ConcurrentHashMap-in-favor-of-NonBlockingHas.patch
> expunge ConcurrentHashMap
> -------------------------
>
> Key: CASSANDRA-50
> URL: https://issues.apache.org/jira/browse/CASSANDRA-50
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Jonathan Ellis
> Attachments: 0001-expunge-ConcurrentHashMap-in-favor-of-NonBlockingHas.patch
>
>
> Avinash says it is less memory-efficient than NonBlockingHashMap. NBHM also has better performance numbers, although we don't use any of these instances in high-contention scenarios.
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[jira] Commented: (CASSANDRA-50) expunge ConcurrentHashMap
Posted by "Johan Oskarsson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-50?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12695480#action_12695480 ]
Johan Oskarsson commented on CASSANDRA-50:
------------------------------------------
Forgot to mention, all tests pass, including testGetCompactionBuckets
> expunge ConcurrentHashMap
> -------------------------
>
> Key: CASSANDRA-50
> URL: https://issues.apache.org/jira/browse/CASSANDRA-50
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Jonathan Ellis
> Attachments: 0001-expunge-ConcurrentHashMap-in-favor-of-NonBlockingHas.patch
>
>
> Avinash says it is less memory-efficient than NonBlockingHashMap. NBHM also has better performance numbers, although we don't use any of these instances in high-contention scenarios.
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[jira] Commented: (CASSANDRA-50) expunge ConcurrentHashMap
Posted by "Johan Oskarsson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-50?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12695479#action_12695479 ]
Johan Oskarsson commented on CASSANDRA-50:
------------------------------------------
>From what I've read on the mailing list and glancing over this code the patch gets a +1 from me.
> expunge ConcurrentHashMap
> -------------------------
>
> Key: CASSANDRA-50
> URL: https://issues.apache.org/jira/browse/CASSANDRA-50
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Jonathan Ellis
> Attachments: 0001-expunge-ConcurrentHashMap-in-favor-of-NonBlockingHas.patch
>
>
> Avinash says it is less memory-efficient than NonBlockingHashMap. NBHM also has better performance numbers, although we don't use any of these instances in high-contention scenarios.
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[jira] Assigned: (CASSANDRA-50) expunge ConcurrentHashMap
Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-50?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis reassigned CASSANDRA-50:
---------------------------------------
Assignee: Jonathan Ellis
> expunge ConcurrentHashMap
> -------------------------
>
> Key: CASSANDRA-50
> URL: https://issues.apache.org/jira/browse/CASSANDRA-50
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Attachments: 0001-expunge-ConcurrentHashMap-in-favor-of-NonBlockingHas.patch
>
>
> Avinash says it is less memory-efficient than NonBlockingHashMap. NBHM also has better performance numbers, although we don't use any of these instances in high-contention scenarios.
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