[jira] [Assigned] (HBASE-17256) Rpc handler monitoring will be removed when the task queue is full

["Ted Yu (JIRA)" <ji...@apache.org>]

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

Ted Yu reassigned HBASE-17256:
------------------------------

    Assignee: Guangxu Cheng

> 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
>         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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