Yes. Permgen is for storing java internal classes and object representations. 1gb does sound rather too much. Article below explains the perm gen space in much detail.
https://blogs.oracle.com/jonthecollector/entry/presenting_the_permanent_generation Thanks, Ruwan On Nov 26, 2013 5:47 AM, "Isuru Perera" <[email protected]> wrote: > Hi, > > MaxPermSize is for Permanent Generation [1]. > > I don't see any logical reason to have a 1GB for Permanent Generation. How > did that value was recommended for performance? > > [1] > http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html > > > On Mon, Nov 25, 2013 at 2:24 PM, Sanjeewa Malalgoda <[email protected]>wrote: > >> This is recommended value for the systems with considerable load. >> Normally we recommend to run production servers with 4GB memory, then >> compare to that 1GB MaxPermSize is reasonable IMO. >> >> Thanks, >> sanjeewa. >> >> >> On Tue, Nov 26, 2013 at 3:21 AM, Isuru Perera <[email protected]> wrote: >> >>> Hi, >>> >>> $subject >>> >>> Mentioned in docs [1]. >>> >>> AFAIU, this is too much for MaxPermSize >>> >>> Thanks. >>> >>> [1] http://docs.wso2.org/display/ESB470/Performance+Tuning >>> >>> -- >>> Isuru Perera >>> Senior Software Engineer | WSO2, Inc. | http://wso2.com/ >>> Lean . Enterprise . Middleware >>> >>> about.me/chrishantha >>> >>> _______________________________________________ >>> Dev mailing list >>> [email protected] >>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>> >>> >> >> >> -- >> >> *Sanjeewa Malalgoda* >> Senior Software Engineer >> WSO2 Inc. >> Mobile : +94713068779 >> >> <http://sanjeewamalalgoda.blogspot.com/>blog >> :http://sanjeewamalalgoda.blogspot.com/<http://sanjeewamalalgoda.blogspot.com/> >> >> >> > > > -- > Isuru Perera > Senior Software Engineer | WSO2, Inc. | http://wso2.com/ > Lean . Enterprise . Middleware > > about.me/chrishantha > > _______________________________________________ > Dev mailing list > [email protected] > http://wso2.org/cgi-bin/mailman/listinfo/dev > >
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