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https://issues.apache.org/jira/browse/HBASE-17256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15737857#comment-15737857
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Hudson commented on HBASE-17256:
--------------------------------
FAILURE: Integrated in Jenkins build HBase-0.98-matrix #425 (See
[https://builds.apache.org/job/HBase-0.98-matrix/425/])
HBASE-17256 Rpc handler monitoring will be removed when the task queue
(apurtell: rev dc85895cbc2e16e993a68882a122b3229a24b877)
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/TaskMonitor.java
> Rpc handler monitoring will be removed when the task queue is full
> ------------------------------------------------------------------
>
> Key: HBASE-17256
> URL: https://issues.apache.org/jira/browse/HBASE-17256
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0, 0.98.23, 1.2.4
> Reporter: Guangxu Cheng
> Assignee: Guangxu Cheng
> Fix For: 2.0.0, 1.4.0, 0.98.24
>
> Attachments: HBASE-17256-v1.patch
>
>
> The RPC handlers monitoring will displayed in the Web UI when the cluster has
> just started. As time goes on, RPC handlers disappeared .
> We have the RPC handlers listed as tasks and stored in CircularFifoBuffer.
> CircularFifoBuffer is a first in first out buffer with a fixed size that
> replaces its oldest element if full.
> When we refresh the page, completed tasks will be removed from
> CircularFifoBuffer.
> Not refresh the page for a long time, the oldest element (RPC handlers) will
> be replaced by new tasks.
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