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https://issues.apache.org/jira/browse/MAPREDUCE-1020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12781862#action_12781862
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Vinod K V commented on MAPREDUCE-1020:
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Here are some of the pending tests that come to my mind:
- verify that support for priorities cannot be changed from enabled to
disabled and vice versa during refresh
- verify the consistency in state of JobQueuesManager
-- what happens to the 'jobQueues' list? (Not sure, myself)
-- the actual lits of running and waiting jobs
- JobInitializationPoller
-- per-queue maxUsersAllowedToInitialize
-- per-queue maxJobsPerUserToInitialize
-- running-state of the poller
-- jobs with the poller
-- how changed ulimits affect the after-refresh behaviour of the poller
- verify the running-state of the scheduler
-- numJobsByUser
-- numWaitingJobs
-- maxCapacityPercent
-- queue-scheduling-context objects
-- map/reduce task-scheduling information
-- cluster-capacity
-- numRunningTasks
-- numSlotsOccupied
-- maxCapacity
-- numSlotsOccupiedByUser
> Add more unit tests to test the queue refresh feature MAPREDUCE-893
> -------------------------------------------------------------------
>
> Key: MAPREDUCE-1020
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1020
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: test
> Affects Versions: 0.21.0
> Reporter: Vinod K V
> Fix For: 0.21.0
>
>
> MAPREDUCE-893 included unit tests verifying the sanity of the refresh feature
> - both the queue properities' refresh as well as the scheduler properties'
> refresh. The test suite can and should be expanded. This will help easily
> identifying issues that will otherwise be caught during manual testing. For
> e.g., during manual testing of MAPREDUCE-893, we identified an NPE in the
> scheduler iteration occuring during heartbeat, which could have been easily
> identified by unit tests.
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