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Posted to hdfs-issues@hadoop.apache.org by "Karthik Palanisamy (Jira)" <ji...@apache.org> on 2021/03/01 08:12:00 UTC
[jira] [Created] (HDFS-15865) Interrupt DataStreamer thread
Karthik Palanisamy created HDFS-15865:
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Summary: 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
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}
"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|mailto:java.base@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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