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Posted to issues@hbase.apache.org by "Guanghao Zhang (JIRA)" <ji...@apache.org> on 2016/12/01 01:31:58 UTC
[jira] [Updated] (HBASE-17205) Add a metric for the duration of
region in transition
[ https://issues.apache.org/jira/browse/HBASE-17205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Guanghao Zhang updated HBASE-17205:
-----------------------------------
Attachment: HBASE-17205-v1.patch
Attach v1 patch addressed review comments.
> Add a metric for the duration of region in transition
> -----------------------------------------------------
>
> Key: HBASE-17205
> URL: https://issues.apache.org/jira/browse/HBASE-17205
> Project: HBase
> Issue Type: Improvement
> Components: Region Assignment
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Priority: Minor
> Attachments: HBASE-17205-v1.patch, HBASE-17205.patch
>
>
> When work for HBASE-17178, I found there are not a metric for the overall duration of region in transition. When move a region form A to B, the transformation of region state is PENDING_CLOSE => CLOSING => CLOSED => PENDING_OPEN => OPENING => OPENED. When transform old region state to new region state, it update the time stamp to current time. So we can't get the overall transformation's duration of region in transition. Add a rit duration to RegionState for accumulating this metric.
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