DSXchange

We are having 500 xml in one folder when I am trying to process that xml using the below job design
orastge
'
'
ESS-->xml-->tras--> join -- orastage


I am getting the below error

1.cs}}}(0),0: Failure during execution of operator logic.
2.cs}}}(0),0: Fatal Error: Tsort merger aborting: Scratch space full
3.cs}}}(0),0: Fatal Error: Pipe read failed: short read
4.node_node1: Player 30 terminated unexpectedly.
5.main_program: APT_PMsectionLeader(1, node1), player 30 - Unexpected exit status 1.
6.Join_54,0: Failure during execution of operator logic.
7.Join_54,0: Fatal Error: Unable to allocate communication resources


Note: we have 9 GB space in the scrach folder.

monitor the scratch space when job is running.