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https://issues.apache.org/jira/browse/HBASE-18520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zach York updated HBASE-18520:
------------------------------
Release Note:
This JIRA adds a JMX value to track when the Master has finished initializing.
The jmx config is 'masterFinishedInitializationTime' and details the time in
millis that the Master is fully usable and ready to serve requests.
> Add jmx value to determine true Master Start time
> -------------------------------------------------
>
> Key: HBASE-18520
> URL: https://issues.apache.org/jira/browse/HBASE-18520
> Project: HBase
> Issue Type: Improvement
> Components: metrics
> Reporter: Zach York
> Assignee: Zach York
> Priority: Minor
> Fix For: 1.4.0, 2.0.0-alpha-2
>
> Attachments: HBASE-18520.branch-1.001.patch,
> HBASE-18520.branch-1.002.patch, HBASE-18520.master.001.patch,
> HBASE-18520.master.002.patch, HBASE-18520.master.003.patch
>
>
> The masterActiveTime is being set before regions are assigned. This patch
> adds a new jmx metric to expose the final time when the master has become the
> active master (All regions are assigned, etc.).
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