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https://issues.apache.org/jira/browse/CASSANDRA-3163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101406#comment-13101406
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Brandon Williams commented on CASSANDRA-3163:
---------------------------------------------
+1
> SlabAllocator OOMs much faster than HeapAllocator
> -------------------------------------------------
>
> Key: CASSANDRA-3163
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3163
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.0.0
> Environment: 3 nodes, 1G heap, RF=2
> Reporter: Brandon Williams
> Fix For: 1.0.0
>
> Attachments: 3163-v2.txt, 3163-v3.txt, 3163-v4.txt, 3163.txt,
> system.log.gz
>
>
> SlabAllocator will OOM with stress at around 5.5M rows, which in this
> configuration is roughly 3.3M rows per node. Reverting to the HeapAllocator
> allowed all 10M rows to finish. Examining the SA heap dump in MAT just shows
> ~98% of the heap is in 'remainder'
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