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HDFS-17688: Add Option to limit Balancer aboveAvgUtilized nodes num in each iteration. #7225
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…n each iteration.
🎊 +1 overall
This message was automatically generated. |
Hi, @Hexiaoqiao if you have time, please help to take a look at this PR, thanks! |
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💔 -1 overall
This message was automatically generated. |
🎊 +1 overall
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Hi, @Hexiaoqiao if you have time, please help to take a look at this PR, thanks! |
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Description of PR
With https://issues.apache.org/jira/browse/HDFS-17646 Similarly.
It is used to limit the number of nodes that exceed the cluster average but are below threshold.
During each round of balancer operation, sometimes does not focus on nodes that are greater than the average value(AboveAvgUtilized), but instead prioritizes processing nodes that exceed the threshold(OverUtilized), we can set 'limitAboveAvgUtilizedNum' value to 0.
How was this patch tested?
Add UT