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https://issues.apache.org/jira/browse/HBASE-17780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15925283#comment-15925283
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Hudson commented on HBASE-17780:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-Trunk_matrix #2673 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/2673/])
HBASE-17780 BoundedByteBufferPool "At capacity" messages are not (apurtell: rev
14fb57cab2fd8c0117d59669018b09e29bd6e387)
* (edit)
hbase-common/src/main/java/org/apache/hadoop/hbase/io/BoundedByteBufferPool.java
> BoundedByteBufferPool "At capacity" messages are not actionable
> ---------------------------------------------------------------
>
> Key: HBASE-17780
> URL: https://issues.apache.org/jira/browse/HBASE-17780
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.3.0
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Priority: Minor
> Fix For: 2.0.0, 1.4.0, 1.1.9, 1.2.6, 1.31
>
> Attachments: HBASE-17780-branch-1.patch, HBASE-17780.patch
>
>
> This comment in BoundedByteBufferPool talks about "At capacity ..." warnings
> from this class that may appear in logs when under load:
> {code}
> * If a ByteBuffer is bigger than the configured threshold, we will just let
> the ByteBuffer go
> * rather than add it to the pool. If more ByteBuffers than the configured
> maximum instances,
> * we will not add the passed ByteBuffer to the pool; we will just drop it
> * (we will log a WARN in this case that we are at capacity).
> {code}
> First, dropping buffers when the pool is full is obviously an expected and
> normal condition. Second, there is nothing actionable about that warning.
> Might be useful for developers, perhaps. Drop it to DEBUG.
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