To analyze how a Java web application is performed in terms of its memory usage, one can use Eclipse Memory Analyzer to do it.
Ref: Eclipse MAT
Sunday, September 20, 2009
Monday, July 13, 2009
InetAddress.getByName( ) cached result
java.net.InetAddress.getByName( ) will cached the result, even when the host name IP is changed. To fix this, issue the following option to Java VM:
-Dsun.net.inetaddr.ttl=0
It sets the timeout of the DNS cache to zero.
-Dsun.net.inetaddr.ttl=0
It sets the timeout of the DNS cache to zero.
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