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Posted to commits@helix.apache.org by "kishore gopalakrishna (JIRA)" <ji...@apache.org> on 2013/05/14 23:51:16 UTC

[jira] [Updated] (HELIX-71) Add jmx metric to emit the number of times rebalancer runs

     [ https://issues.apache.org/jira/browse/HELIX-71?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

kishore gopalakrishna updated HELIX-71:
---------------------------------------

    Assignee: Shi Lu
    
> Add jmx metric to emit the number of times rebalancer runs
> ----------------------------------------------------------
>
>                 Key: HELIX-71
>                 URL: https://issues.apache.org/jira/browse/HELIX-71
>             Project: Apache Helix
>          Issue Type: Improvement
>            Reporter: kishore gopalakrishna
>            Assignee: Shi Lu
>
> Either due to bug in code or some configuration problem, rebalancer might be triggered infinitely and the resource may not reach a stable state. We need to ensure that the bug does not cause further damage to the system. We should be able to detect this automatically and throttle the number of times rebalancer runs in a minute.
> The first step towards this would be so simply add a jmx metrics to count the number of times a rebalancer runs.

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