[ 
https://issues.apache.org/jira/browse/HDFS-15865?focusedWorklogId=565086&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-565086
 ]

ASF GitHub Bot logged work on HDFS-15865:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Mar/21 02:46
            Start Date: 12/Mar/21 02:46
    Worklog Time Spent: 10m 
      Work Description: karthikhw edited a comment on pull request #2728:
URL: https://github.com/apache/hadoop/pull/2728#issuecomment-797195961


   @mukul1987  Not exactly found when nodes come null but appears when client 
couldn't reachable datenode (during middle of its write). Looks the next retry 
comes with null.


----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
[email protected]


Issue Time Tracking
-------------------

    Worklog Id:     (was: 565086)
    Time Spent: 1h  (was: 50m)

> 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
>              Labels: pull-request-available
>          Time Spent: 1h
>  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}



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to