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https://issues.apache.org/jira/browse/HDFS-15865?focusedWorklogId=559260&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-559260
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ASF GitHub Bot logged work on HDFS-15865:
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Author: ASF GitHub Bot
Created on: 01/Mar/21 08:29
Start Date: 01/Mar/21 08:29
Worklog Time Spent: 10m
Work Description: karthikhw opened a new pull request #2728:
URL: https://github.com/apache/hadoop/pull/2728
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Issue Time Tracking
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Worklog Id: (was: 559260)
Remaining Estimate: 0h
Time Spent: 10m
> Interrupt DataStreamer thread
> -----------------------------
>
> Key: HDFS-15865
> URL: https://issues.apache.org/jira/browse/HDFS-15865
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Reporter: Karthik Palanisamy
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Have noticed HiveServer2 halts due to DataStreamer#waitForAckedSeqno.
> I think we have to interrupt DataStreamer if no packet ack(from datanodes).
> It likely happens with infra/network issue.
> {code:java}
> "HiveServer2-Background-Pool: Thread-35977576" #35977576 prio=5 os_prio=0
> cpu=797.65ms elapsed=3406.28s tid=0x00007fc0c6c29800 nid=0x4198 in
> Object.wait() [0x00007fc1079f3000]
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
> at java.lang.Object.wait(java.base(at)11.0.5/Native Method)
> - waiting on <no object reference available>
> at
> org.apache.hadoop.hdfs.DataStreamer.waitForAckedSeqno(DataStreamer.java:886)
> - waiting to re-lock in wait() <0x00007fe6eda86ca0> (a
> java.util.LinkedList){code}
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