I did check in activity monitor for locks by process.
I found one of the job1 which inserts the data into table'A' is holding a
IX lock on the table.
this job1 is causing all the jobs from job2 to job 10 to wait.
but job1 has grant status.
So, Do I kill this job1 ?
but still job2 to job10 are going to perform the same insertions on the tableA.
So, Is that problem due to job or due to table A?