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How to know correct Xmx and Xms for heap allocation?

Jackson Tan
Greenhorn

Joined: Jun 01, 2010
Posts: 8
I have read to use verbose:gc to know the correct values of xmx and xms but I don't know how to read the logs of the verbose gc? Can someone help me in knowing the correct values for Xmx? or direct me to a tutorial link using verbose gc preferably a video tutorial.. Thanks.
William Brogden
Author and all-around good cowpoke
Rancher

Joined: Mar 22, 2000
Posts: 12806
    
    5
I always take a pragmatic approach to memory allocation - fire it up with default memory and see what happens under load.

Then I have to balance versus the other requirements of the system - memory available, other processes that have to run, expected response times, etc. so I dont think there is a single magic answer.

Bill
 
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