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Posted to hdfs-issues@hadoop.apache.org by "Wei-Chiu Chuang (Jira)" <ji...@apache.org> on 2023/05/23 17:38:00 UTC
[jira] [Assigned] (HDFS-15865) Interrupt DataStreamer thread
[ https://issues.apache.org/jira/browse/HDFS-15865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wei-Chiu Chuang reassigned HDFS-15865:
--------------------------------------
Assignee: Karthik Palanisamy
> 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
> Assignee: Karthik Palanisamy
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.3.1, 3.4.0
>
> Time Spent: 2h 20m
> 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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