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Posted to commits@cassandra.apache.org by "Yuki Morishita (JIRA)" <ji...@apache.org> on 2015/11/09 21:33:11 UTC

[jira] [Updated] (CASSANDRA-10680) Deal with small compression chunk size better during streaming plan setup

     [ https://issues.apache.org/jira/browse/CASSANDRA-10680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuki Morishita updated CASSANDRA-10680:
---------------------------------------
    Fix Version/s: 2.1.x

> Deal with small compression chunk size better during streaming plan setup
> -------------------------------------------------------------------------
>
>                 Key: CASSANDRA-10680
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10680
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jeff Jirsa
>            Assignee: Yuki Morishita
>             Fix For: 2.1.x
>
>
> For clusters using small compression chunk size and terabytes of data, the streaming plan calculations will instantiate hundreds of millions of compressionmetadata$chunk objects, which will create unreasonable amounts of heap pressure. Rather than instantiating all of those at once, streaming should instantiate only as many as needed for a single file per table at a time.



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