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1) We have installed our Java application in Windows 2012 Server. After running for some time application started showing Connection Time out. We have set TCP Parameters MaxUserPort = 65534 and TcpTimedWaitDelay = 30.

We are facing the same issue, even after setting the parameters in windows registry. We have verified in our application, "There is no connection pool issue and no thread issue".

We are using JDK v6.0.29, Tomcat 7, MYSQL 5.5.

Apart from MaxUserPort and TcpTimedWaitDelay is there any other TCP parameters in Windows 2012 to improve performance of the server and our application.

2) At the same time we have found that ‘There is sluggishness in I/O process’. Is there any registry parameters to improve I/O performance in the system.

Thank You.

Venu
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  • Connection timeout on outbound connections or inbound connections? – user207421 Feb 19 '14 at 01:55
  • Yes Connection timeout on outbound connections or inbound connections – Venu Feb 19 '14 at 02:05
  • Well, outbound connections don't time out because you ran out of connections locally. They time out because the *server* failed to respond, which *might* mean that *he* ran out of connections: if so, there's nothing you can do about that locally. They might also just indicate network connectivity problems. So might the inbound connection timeouts. – user207421 Feb 19 '14 at 02:47
  • I agree to your comments, How do we handle inbound connections? To Halndle inbound connections we have increased TCP connections in the server, which has not solved the problem. – Venu Feb 19 '14 at 03:57

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