Hello All
I have some questions and I hope to find answers about Load balancing .
1- The first question , our DBA says that it not normal and no logic to
have several instances of tomcat server on the same machine with the same
configuration , is this correct ?
2- Each tomcat instance here can serve about 125 user , and I have more than
this number on the server I got alot of problems and usually the instance
hang , is there anyway to get better performance from tomcat.
I am using now 3G memory for each instance and 120 for max_pool_size and
750 maxThread
3- The most critical issue I had , when one instance hangs , apache hangs
and then all the application hangs because apache keep trying to connect to
the hanged instance , Is there any way to force apache to bypass the hanged
instance.
4- When instance of tomcat hangs , i forced to restart this instance (
tomcat server ) the problem is GC can not free memory anymore
Is there anyway to solve the problem instead of restarting the server.
5- at last sometimes I found that the same action repeated many times which
means that apache sends the request more than one time to tomcat server
,could I have control over this behavior.
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