Modify program run space size in eclipse

In the process of developing a project, there are more jar packages introduced. Often memory overflows Outofmemoryerror:permgen spaceafter Eclipse starts tomcat.

The process of modifying the running memory size in Eclipse is now organized as follows:

Run->run configurations

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-xms256m-xmx512m-xx:maxnewsize=256m-xx:maxpermsize=256m

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Modify program run space size in eclipse