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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2014/10/17 04:01:33 UTC

[jira] [Commented] (CASSANDRA-8129) Increase max heap for sstablesplit

    [ https://issues.apache.org/jira/browse/CASSANDRA-8129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14174637#comment-14174637 ] 

Jonathan Ellis commented on CASSANDRA-8129:
-------------------------------------------

It shouldn't have to read large parts of the file into memory, though.  What makes it OOM?

> Increase max heap for sstablesplit
> ----------------------------------
>
>                 Key: CASSANDRA-8129
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8129
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Matt Stump
>            Priority: Minor
>
> The max heap for sstablesplit is 256m. For large files that's too small and it will OOM. We should increase the max heap to something like 2-4G with the understanding that sstablesplit will only most likely be invoked to split large files.



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