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Posted to commits@cassandra.apache.org by "sankalp kohli (JIRA)" <ji...@apache.org> on 2015/05/28 03:15:17 UTC
[jira] [Commented] (CASSANDRA-9496) ArrivalWindow should use
primitives
[ https://issues.apache.org/jira/browse/CASSANDRA-9496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14562135#comment-14562135 ]
sankalp kohli commented on CASSANDRA-9496:
------------------------------------------
cc [~brandon.williams]
> ArrivalWindow should use primitives
> ------------------------------------
>
> Key: CASSANDRA-9496
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9496
> Project: Cassandra
> Issue Type: Improvement
> Reporter: sankalp kohli
> Assignee: sankalp kohli
> Priority: Minor
>
> While doing a heap analysis of a large cluster(1000+), I found that majority of the strongly referenced objects on heap are coming from ArrivalWindow.
> Currently ArrivalWindow uses BoundedStatsDeque which uses LinkedBlockingDeque<Long> deque.
> For a cluster of size 1000, it will translate into 2 million objects.
> We can use primitives and use an array of long(long[]). This will cut down on the number of objects and the change is not that big.
>
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