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https://issues.apache.org/jira/browse/HDDS-1553?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoyu Yao resolved HDDS-1553.
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Fix Version/s: 0.5.0
Resolution: Fixed
Thanks [~Sammi] for the contribution. I merged the change to trunk.
> Add metrics in rack aware container placement policy
> ----------------------------------------------------
>
> Key: HDDS-1553
> URL: https://issues.apache.org/jira/browse/HDDS-1553
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Sammi Chen
> Assignee: Sammi Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.5.0
>
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> To collect following statistics,
> 1. total requested datanode count (A)
> 2. success allocated datanode count without constrain compromise (B)
> 3. success allocated datanode count with some comstrain compromise (C)
> B includes C, failed allocation = (A - B)
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