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Lock contention on ES2

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Calling a dummy process by one WS client take like 50 ms.(fast enough)

Calling it via 50 concurrent client ==> a degradation of 100 time ==> 5 seconds response time

Version used ES2 with some patches. on top of weblogic

Investigations I have done show lock contention due to inneficient use of xstream parser (are instantiated each time )

Any of you had similar problems ?

A colleague of mine tried on ES4 and it seems there with 50 users the response time is 50 ms so as expected.

this was an know issue for es2 ,3 ?

Thanks

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