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Posted to hdfs-dev@hadoop.apache.org by "Fei Guo (Jira)" <ji...@apache.org> on 2023/09/25 13:15:00 UTC

[jira] [Created] (HDFS-17210) Optimize AvailableSpaceBlockPlacementPolicy

Fei Guo created HDFS-17210:
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             Summary: Optimize AvailableSpaceBlockPlacementPolicy
                 Key: HDFS-17210
                 URL: https://issues.apache.org/jira/browse/HDFS-17210
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: hdfs
    Affects Versions: 3.3.6
            Reporter: Fei Guo


for now ,we may have many nodes usage over 85%, some nodes'usage have been over 90%, if we choose three nodes as nodeA-97%,nodeB-98%,nodeC-99%, actually i don't want nodeC(99%) be choosen, for nodeC usage is really high , even random chance ,nodeC will reach 100% soon, so we can directly choose the less usage node(nodeA) if all nodes's usage are over 95%(just a example)



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