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From "He Xiaoqiao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-14587) Support fail fast when client wait ACK by pipeline over threshold
Date Thu, 20 Jun 2019 18:19:01 GMT
He Xiaoqiao created HDFS-14587:
----------------------------------

             Summary: Support fail fast when client wait ACK by pipeline over threshold
                 Key: HDFS-14587
                 URL: https://issues.apache.org/jira/browse/HDFS-14587
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: hdfs-client
            Reporter: He Xiaoqiao
            Assignee: He Xiaoqiao


Recently, I meet corner case that client wait for data to be acknowledged by pipeline over
9 hours. After check branch trunk, I think this issue still exist. So I propose to add threshold
about wait timeout then fail fast.
{code:java}
2019-06-18 12:53:46,217 WARN [Thread-127] org.apache.hadoop.hdfs.DFSClient: Slow waitForAckedSeqno
took 35560718ms (threshold=30000ms)
{code}



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