Details
Description
1. Consider that make dfs.namenode.avoid.read.slow.datanode reconfigurable and rapid rollback in case this feature HDFS-16076 unexpected things happen in production environment
2. DatanodeManager#startSlowPeerCollector by parameter 'dfs.datanode.peer.stats.enabled' to control
Attachments
Issue Links
- Dependency
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HDFS-16314 Support to make dfs.namenode.block-placement-policy.exclude-slow-nodes.enabled reconfigurable
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- Resolved
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- relates to
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HDFS-16076 Avoid using slow DataNodes for reading by sorting locations
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- Resolved
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- links to