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  1. Jenkins
  2. JENKINS-45057

"too many files open": file handles leak, job output file not closed

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      Jenkins seems to keep a open file handle to the log file (job output) for every single build, even those who have been discarded by the "Discard old build policy".

       

      This is a sample of the lsof output (whole file attached)

      java 8870 jenkins 941w REG 252,0 1840 1332171 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/.50063/log (deleted)
java 8870 jenkins 942w REG 252,0 2023 402006 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/.50044/log (deleted)
java 8870 jenkins 943w REG 252,0 2193 1332217 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/50101/log
java 8870 jenkins 944w REG 252,0 2512 1332247 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/50106/log
java 8870 jenkins 945w REG 252,0 1840 1703994 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/.50067/log (deleted)
java 8870 jenkins 946w REG 252,0 2350 1332230 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/.50092/log (deleted)
java 8870 jenkins 947w REG 252,0 1840 402034 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/.50049/log (deleted)
java 8870 jenkins 948w REG 252,0 1840 927855 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/.50080/log (deleted)
java 8870 jenkins 949w REG 252,0 2195 1332245 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/.50095/log (deleted)
java 8870 jenkins 950w REG 252,0 2326 1332249 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/50107/log
java 8870 jenkins 952w REG 252,0 2195 1332227 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/50102/log
java 8870 jenkins 953w REG 252,0 2154 1332254 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/50109/log
java 8870 jenkins 954w REG 252,0 2356 1332282 /data/jenkins/jobs/automation/jobs/emr-termination-policy/builds/50105/log

       

        1. filesopen.txt
          204 kB
        2. image-2017-10-06-14-57-46-970.png
          image-2017-10-06-14-57-46-970.png
          137 kB
        3. Jenkins_FileHandleLeak_redacted.png
          Jenkins_FileHandleLeak_redacted.png
          32 kB
        4. jenkins-45057.patch
          6 kB
        5. Screen Shot 2017-07-31 at 13.24.02.png
          Screen Shot 2017-07-31 at 13.24.02.png
          518 kB

            jglick Jesse Glick
            bbonacci Bruno Bonacci
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              Created:
              Updated:
              Resolved: