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https://issues.apache.org/jira/browse/CASSANDRA-5222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579546#comment-13579546
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Yuki Morishita commented on CASSANDRA-5222:
-------------------------------------------
I think Jonathan's approach has no problem. But looking at the code, throwing
exception in doValidationCompaction can cause repair hang, since the node that
receives TreeRequest never replies to the sender. So I think we need to fix
that too.
> OOM Exception during repair session with LeveledCompactionStrategy
> ------------------------------------------------------------------
>
> Key: CASSANDRA-5222
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5222
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.0.0
> Environment: 3Gb Heap(12Gb per node RAM)
> 36 nodes, 0.9 Tb of data per node, Leveled compaction strategy, SSTable size
> =100Mb
> Reporter: Ivan Sobolev
> Assignee: Jonathan Ellis
> Fix For: 1.1.11
>
> Attachments: 5222.txt, chunks.json, sstablescanner.png
>
>
> 1.8 Gb of heap is consumed with 12k SSTableBoundedScanner * 140kbytes
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