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Posted to common-dev@hadoop.apache.org by "rowe (JIRA)" <ji...@apache.org> on 2017/03/06 12:05:32 UTC

[jira] [Created] (HADOOP-14148) hdfs command handing in futex

rowe created HADOOP-14148:
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             Summary: hdfs command handing in futex
                 Key: HADOOP-14148
                 URL: https://issues.apache.org/jira/browse/HADOOP-14148
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 2.7.3
         Environment: Linux 3.10.104 x86_64
java version "1.7.0_80"

            Reporter: rowe


any hdfs comand  on specify namenode return slowly. For example 
# strace hdfs haadmin -getServiceState nn1 shows haning in futex(0x7f155b7ce9d0, FUTEX_WAIT, 23073, NULL



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