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From "Lars Hofhansl (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4393) Implement a canary monitoring program
Date Sat, 24 Mar 2012 21:12:28 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13237678#comment-13237678
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Lars Hofhansl commented on HBASE-4393:
--------------------------------------

@Matteo: Ideally this could be used for trending. So output that is suitable for Ganglia or
OpenTSDB (whatever that means in both cases) would be cool.
Even just a cluster state tool is great.
                
> Implement a canary monitoring program
> -------------------------------------
>
>                 Key: HBASE-4393
>                 URL: https://issues.apache.org/jira/browse/HBASE-4393
>             Project: HBase
>          Issue Type: New Feature
>          Components: monitoring
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>            Assignee: Amandeep Khurana
>         Attachments: HBaseCanary.java
>
>
> This JIRA is to implement a standalone program that can be used to do "canary monitoring"
of a running HBase cluster. This program would gather a list of the regions in the cluster,
then iterate over them doing lightweight operations (eg short scans) to provide metrics about
latency as well as alert on availability issues.

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