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https://issues.apache.org/jira/browse/HBASE-1058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12664927#action_12664927
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stack commented on HBASE-1058:
------------------------------
You can overrun a cluster by running a PE upload into a small cluster. Do
'./bin/hadoop ......PerformanceEvaluation sequentialWrite 256' ... i.e. try
loading 1/4 billion items. Trying this I produced a region with 1k flush files
to compact. It won't recover, not inside 1G of heap. Just OOMEs.
> Prevent runaway compactions
> ---------------------------
>
> Key: HBASE-1058
> URL: https://issues.apache.org/jira/browse/HBASE-1058
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
>
> A rabid upload will easily outrun our compaction ability dropping flushes
> faster than we can compact them up. Fix.
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