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https://issues.apache.org/jira/browse/HBASE-15513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15461464#comment-15461464
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Vladimir Rodionov commented on HBASE-15513:
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{quote}
What kind of test was it
{quote}
I load 1B small rows (rowkey=16 byte, value = 8 bytes) using BufferedMutator
with batch size 1000. Table has 1 CF, only one region, splits are disabled.
Compaction is on, but maximum selection size is limited to 1GB. Test runs
locally on my laptop (MBP, fast SSD).
> hbase.hregion.memstore.chunkpool.maxsize is 0.0 by default
> ----------------------------------------------------------
>
> Key: HBASE-15513
> URL: https://issues.apache.org/jira/browse/HBASE-15513
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 2.0.0
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Fix For: 2.0.0
>
> Attachments: HBASE-15513-v1.patch
>
>
> That results in excessive MemStoreLAB chunk allocations because we can not
> reuse them. Not sure, why it has been disabled, by default. May be the code
> has not been tested well?
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