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https://issues.apache.org/jira/browse/CASSANDRA-3171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101524#comment-13101524
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Jonathan Ellis commented on CASSANDRA-3171:
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Is there anywhere we actually need non-default buffer sizes? I think we should
probably rip out that constructor parameter (on both RAR and SW) to force
everyone to be sane whether they like it or not.
See also: the 10MB buffer in streaming and the 8MB one in IndexWriter.
> AbstractCompactionIterable uses a 1MB buffer for every sstable
> --------------------------------------------------------------
>
> Key: CASSANDRA-3171
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3171
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.0.0
> Reporter: Brandon Williams
> Assignee: Brandon Williams
> Fix For: 1.0.0
>
> Attachments: 3171.txt
>
>
> This causes an OOM for any compaction task that needs to open all the
> sstables when you have a lot of them (repair, major, etc)
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