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Hi
Well this is a difficult one to explain :
We have developed a web application (JAVA) that launches COBOL programs through SOCKET programs. Everything is working just fine.
When we started to increase number of users through a performance tool, we have noticed a strange behavior on the COBOL programs, as they were running very slow (for some transactions, average time was in the range of 10-15 sec.). Upon drilling down, we found that a simple READ statement (COBOL side) is consuming about 110 ms, which is huge comparing to the normal status (average time was less than 1 ms normally)!
We have checked the following:
CPU is OK
Memory is ok
No locks (we are reading PF in OPEN OUTPUT mode)
The hard disk is a data center, known to support heavy usage
Any ideas?
Thanks
Imad
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