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low memory issue


We have an interface through which we upload employee attendence data daily after 5 in the evening. If i load data of 1000 employees the interface runs well where as if i run this for 2000 or above the system gets hanged and message says low memory. I checked the system log in SM21 it says TSV_TNEW_PAGE_ALLOC_FAILED.

I have checked everything the heap size area issue (which is coming in ABAP Dump) is already 2gb which is maximum they can allot in extended memory in SAP .

All the memory parameter they have put it to maximum but still the abap dump of heap size area is coming .Our basis guys are telling us to tune sql statement or internal table which is there in programe , as programme is running fine when it has to display 1000 records only it throws error when the same programme run for 5000 records .

One more thing i would like to add on this interface was running fine till Aug 2007 after that this issue has come up.

This is Urgent, Pl help.



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