Surendra Singh Lilhore created HDFS-15210:
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Summary: EC : File write hand when DN is shutdown by admin command.
Key: HDFS-15210
URL: https://issues.apache.org/jira/browse/HDFS-15210
Project: Hadoop HDFS
Issue Type: Bug
Components: ec
Affects Versions: 3.1.1
Reporter: Surendra Singh Lilhore
Assignee: Surendra Singh Lilhore
EC Blocks : blk_-9223372036854291632_10668910,
blk_-9223372036854291631_10668910, blk_-9223372036854291630_10668910,
blk_-9223372036854291629_10668910, blk_-9223372036854291628_10668910
Two block DN restarted : blk_-9223372036854291630_10668910 &
blk_-9223372036854291632_10668910
{code:java}
2020-03-03 18:12:17,074 DEBUG hdfs.DataStreamer: DFSClient seqno: -2 reply:
OOB_RESTART downstreamAckTimeNanos: 0 flag: 8
2020-03-03 18:13:39,469 DEBUG hdfs.DataStreamer: DFSClient seqno: -2 reply:
OOB_RESTART downstreamAckTimeNanos: 0 flag: 8 {code}
Restarted streams are stuck in below stacktrace :
{noformat}
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at
org.apache.hadoop.hdfs.DFSStripedOutputStream$MultipleBlockingQueue.take(DFSStripedOutputStream.java:110)
at
org.apache.hadoop.hdfs.StripedDataStreamer.setupPipelineInternal(StripedDataStreamer.java:140)
at
org.apache.hadoop.hdfs.DataStreamer.setupPipelineForAppendOrRecovery(DataStreamer.java:1540)
at
org.apache.hadoop.hdfs.DataStreamer.processDatanodeOrExternalError(DataStreamer.java:1276)
at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:669) at
org.apache.hadoop.hdfs.StripedDataStreamer.run(StripedDataStreamer.java:46){noformat}
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