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  1. Hadoop HDFS
  2. HDFS-15865

Interrupt DataStreamer thread

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    Description

      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.

      "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)

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          Bug - A problem which impairs or prevents the functions of the product. HDFS-17024 Potential data race introduced by HDFS-15865

          • Major - Major loss of function.
          • Resolved
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          Web Link GitHub Pull Request #2728

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              kpalanisamy Karthik Palanisamy
              kpalanisamy Karthik Palanisamy
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