Java.exe sizes greater than 350M , web report often error

HI , friends
My ie is 8,and webi4.0.
the web report file(universe) has 63 reports,hundreds formulas，
open the report java.exe sizes greater than 350M.
every time edit report ，only edit fews formulas....then the edit does not work.
and edit Data Access,or refresh ,then error: An error has occured.....(Screenshot)
only to log off ,and shut down IE ...
After a while open the IE, Sign in web report... ...again...
I set the RAM as a virtual hard disk,and set up IE explorer buffer memory to the NEW hard disk,
but error still exists.
please help me , thanks.

Hi,
On Windows 7, you may set the Java maximum Java heap size to 1536 MB in Java Control Panel -> Java -> Java Runtime Environment Settings, Runtime paramaters for both User and System.
-Xmx1536m -Xincgc
Note that
depending on the desktop OS, the maximum Java heap size could vary, you'd need to test it and find out the ceiling to that OS.
-Xincgc is to enable incremental garbage collection instead of waiting for whole lot chunk of garbage to be collected.
Hope this helps,
Jin-Chong

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Java.exe sizes greater than 350M , web report often error

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