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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-4349) Add metrics for monitored tasks and executor services
Date Tue, 11 Aug 2015 22:06:45 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-4349:
----------------------------------
    Description: 
Would be nice to add some metrics for each of the monitored tasks and executor services in
the master and region server:
- number of items in the queue
- age of the oldest yet-unprocessed item (ie in the queue or currently being handled)
- number of threads in the executor currently busy

These would allow us to monitor better for cases where things get "stuck"

  was:
Would be nice to add some metrics for each of the executor services in the master and region
server:
- number of items in the queue
- age of the oldest yet-unprocessed item (ie in the queue or currently being handled)
- number of threads in the executor currently busy

These would allow us to monitor better for cases where things get "stuck"


> Add metrics for monitored tasks and executor services
> -----------------------------------------------------
>
>                 Key: HBASE-4349
>                 URL: https://issues.apache.org/jira/browse/HBASE-4349
>             Project: HBase
>          Issue Type: Improvement
>          Components: metrics
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>              Labels: beginner
>
> Would be nice to add some metrics for each of the monitored tasks and executor services
in the master and region server:
> - number of items in the queue
> - age of the oldest yet-unprocessed item (ie in the queue or currently being handled)
> - number of threads in the executor currently busy
> These would allow us to monitor better for cases where things get "stuck"



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