[jira] [Created] (HDFS-16589) RBF: Support cluster level SBN read switch in Router-Based Federation

2022-05-23 Thread Jackson Wang (Jira)
Jackson Wang created HDFS-16589:
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 Summary: RBF: Support cluster level SBN read switch in 
Router-Based Federation
 Key: HDFS-16589
 URL: https://issues.apache.org/jira/browse/HDFS-16589
 Project: Hadoop HDFS
  Issue Type: Task
  Components: rbf
Reporter: Jackson Wang


it will add a cluster-level Observer read switch. it will determine which 
clusters support observer read and which do not. 

when multiple clusters need to be updated in sequence to support SBN, it 
requires a switch to control the range of supported cluster.



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[jira] [Created] (HDFS-16385) Fix Datanode retrieve slownode information bug.

2021-12-15 Thread Jackson Wang (Jira)
Jackson Wang created HDFS-16385:
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 Summary: Fix Datanode retrieve slownode information bug.
 Key: HDFS-16385
 URL: https://issues.apache.org/jira/browse/HDFS-16385
 Project: Hadoop HDFS
  Issue Type: Bug
Reporter: Jackson Wang
 Fix For: 3.4.0


in HDFS-16320, the DataNode will retrieve the SLOW status from each NameNode. 

But namenode did not set isSlowNode to HeartbeatResponseProto in 
DatanodeProtocolServerSideTranslatorPB#sendHeartbeat.



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