We use 8GB. See: http://wiki.lib.sun.ac.za/index.php/SUNScholar/Prepare_Ubuntu/S08#Java_environment_settings_used_for_SUNScholar



On 13 June 2013 10:46, Ady Wahyudi Paundu <adywp@unhas.ac.id> wrote:

Oh.. can I? lol.. all the reference I read never mention anything above
2G :)
how about the other two? (Xms and MaxPermSize)

Regards,
Ady W. Paundu

On 06/13/2013 04:47 PM, helix84 wrote:
> On Thu, Jun 13, 2013 at 10:23 AM, Ady Wahyudi Paundu<adywp@unhas.ac.id>  wrote:
>
>> - dual processor IBM machine with 16 GB memory
>> - JAVA_OPTS=-Xmx1024M -Xms512M -XX:MaxPermSize=256M -Dfile.encoding=UTF-8
>>
> Since you have 16 GB of memory, you may definitely want to assign
> majority of it to Tomcat. You're giving it less than 2 GBs. I
> recommend giving it about 14 GB, the rest should be more than enough
> for postgres, apache, disk cache and any other processes.
>
> If disk space for log files is a problem, you may want to compress
> them or move them to another machine. Most syslog implementations
> allow you to do both.
>
>
> Regards,
> ~~helix84
>
> Compulsory reading: DSpace Mailing List Etiquette
> https://wiki.duraspace.org/display/DSPACE/Mailing+List+Etiquette
>
>


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