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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17256) Rpc handler monitoring will be removed when the task queue is full
Date Sat, 10 Dec 2016 00:02:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-17256:
-----------------------------------
    Fix Version/s: 0.98.24

> 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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