Uploaded image for project: 'Zeppelin'
  1. Zeppelin
  2. ZEPPELIN-1941

Zeppelin CronJob with release option result in deadlock

    XMLWordPrintableJSON

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.6.0, 0.6.1, 0.6.2
    • Fix Version/s: 0.7.0
    • Component/s: Interpreters
    • Labels:
      None

      Description

      There is a deadlock in concurrent cron job execution with release resource option.

      Scenario:
      Two notebook run with cron job that release resource after job finished.

      In Notebook.CronJob.execute() method:
      T1. note.runAll(); // locked paragraphs(lock) and wait to interpreterSettings(lock)

      T2. notebook.getInterpreterFactory().restart() //locked(interpreterSettings) and wait for paragraphs(lock) during jobAbort.

      This will trigger a deadlock that cause zeppelin hang.

      Detail stack trace please refer `deadlock_cronjob.jstack`

        Attachments

        1. deadlock_cronjob.jstack
          166 kB
          OopsOutOfMemory

          Activity

            People

            • Assignee:
              OopsOutOfMemory OopsOutOfMemory
              Reporter:
              OopsOutOfMemory OopsOutOfMemory
            • Votes:
              0 Vote for this issue
              Watchers:
              5 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Time Tracking

                Estimated:
                Original Estimate - 24h
                24h
                Remaining:
                Remaining Estimate - 24h
                24h
                Logged:
                Time Spent - Not Specified
                Not Specified