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https://issues.apache.org/jira/browse/CASSANDRA-9754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15135071#comment-15135071
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Jeff Jirsa commented on CASSANDRA-9754:
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[~mkjellman] - I know you've put a lot of thought into this already. This is
impacting us and I've love to help. Is there anything I can do to assist? Are
you working on a patch I can help you test (or can I volunteer to help write
tests or similar)?
> Make index info heap friendly for large CQL partitions
> ------------------------------------------------------
>
> Key: CASSANDRA-9754
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9754
> Project: Cassandra
> Issue Type: Improvement
> Reporter: sankalp kohli
> Assignee: Michael Kjellman
> Priority: Minor
>
> Looking at a heap dump of 2.0 cluster, I found that majority of the objects
> are IndexInfo and its ByteBuffers. This is specially bad in endpoints with
> large CQL partitions. If a CQL partition is say 6,4GB, it will have 100K
> IndexInfo objects and 200K ByteBuffers. This will create a lot of churn for
> GC. Can this be improved by not creating so many objects?
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