Tuesday, October 26, 2010

Performance Tuning Part -1 : Server Overload Protection & Actions


You can tune your weblogic server to take appropriate action during failed or overload state like instruct to kill the server process during Failed or overload state so that your node manager should restart your server.

A running server instance can fail as a result of out-of-memory exceptions or stuck application threads, or if one or more critical services become dysfunctional.  A server instance monitors its health, and upon detecting that one or more critical subsystems are unstable, it declares itself FAILEDFAILED server instance cannot satisfy administrative or client requests

[ 1 ]

Log in to console
Select your server on left hand side
Click on Configuration -> Overload Tab
Under Panic Action Select "Exit the server process" during some overload conditions and issues like in out of memory case.

[ 2 ]

Log in to console
Select your server on left hand side
Click on Configuration -> Health Monitoring Tab
Select the Auto Killed if Failed.

[ 3 ]
Log in to console
Select your server on left hand side
Click on Configuration -> Overload Tab
Under Failure Action Select "Force immediate shutdown of this server" on FAILED state.







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