Trying to delete records using data management delete jobs

[jhansi28]

I am trying to delete records in using delete jobs but only few records deleted s", it works for about 40 minutes and , then stops deleting records I receive no errors or feedback. It just stops deleting records and it has to be restarted.Attached delete job screenshot state it is showing state as running but records are not deleting.please suggest here

1. 

[wimad]

You can kill the process in the active CLuster Transactions