[Building Sakai] 2.7 Install (JAVA_OPTS)

[Warwick Chapman]

Oh, something I noticed, as per
http://confluence.sakaiproject.org/display/DOC/Install+Guide+-+Source+Install+(2.6),
MAVEN_OPTS should be set to:

'-Xms256m -Xmx512m -XX:PermSize=64m -XX:MaxPermSize=128m'

Does that affect the compile?

-- Warwick Bruce Chapman | +27 83 7797 094 | http://warwickchapman.com


2010/3/19 warwickchapman <warwickchapman at gmail.com>

> Stephen
>
> My MaxPermSize is set to 512 but I got this error while compiling:
>
> java.lang.OutOfMemoryError: PermGen space
>
> I have increased the VM's memory to 4096M and increased Xms and Xmx to
> 2048:
>
> # set | grep JAVA
> JAVA_HOME=/usr/lib/jvm/java-6-sun
> JAVA_OPTS='-server -Xms2048m -XmxR2048 -XX:PermSize=128m
> -XX:MaxPermSize=512m -XX:NewSize=192m -XX:MaxNewSize=384m -verbose:gc
> -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Djava.awt.headless=true
> -Dhttp.agent=Sakai -Dsakai.demo=true
> -Dorg.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING=false
> -Dsun.lang.ClassLoader.allowArraySyntax=true'
>
> Must I increase MaxPermsize?
>
> -- Warwick Bruce Chapman | +27 83 7797 094 | http://warwickchapman.com
>
>
> On Thu, Mar 18, 2010 at 11:12 AM, Stephen Marquard <
> stephen.marquard at uct.ac.za> wrote:
>
>> For your JAVA_OPTS, on an 8G server you should allocate more RAM to the
>> JVM, e.g. our production settings (on 8G servers) are:
>>
>>  -Xms5000m -Xmx5000m -Xmn1g -XX:MaxPermSize=512m
>>
>> It may be possible to make this bigger, but be careful not to make it so
>> big that the java process starts using swap. For your usage levels, 5G heap
>> is plenty.
>>
>> Cheers
>> Stephen
>>
>> >>> Warwick Chapman <warwickchapman at gmail.com> 3/17/2010 7:03 PM >>>
>> Hi All
>>
>> I am doing my first ever install of Sakai, intended to be used by a
>> community of 3000-5000 people.
>>
>> I have prepared a server with 8G RAM and 750G drives with two Xen VMs.
>>
>> One the first VM, I intend running the application stack and on the second
>> VM, the database.  The intention here is that if the project grows beyond
>> the capability of this piece of hardware, I will move one of the VMs onto
>> another server.
>>
>> In case it matters, Dom0 is 64-bit Centos 5.4 and the two DomU's (VMs) are
>> 64-bit Debian Lenny 5.0.4
>>
>> So, I plan to follow
>>
>> http://confluence.sakaiproject.org/display/DOC/Install+Guide+-+Source+Install+(2.6)with
>> the following adjustments for 2.7:
>>
>> 1. I will checkout the 2.7.x branch instead of the latest 2.6 stable tag:
>> svn co
>> https://source.sakaiproject.org/svn/sakai/branches/sakai-2.7.x/sakai-2.7.x
>>
>> 2. I will set my JAVA_OPTS to:
>> export JAVA_OPTS='-server -Xms512m -Xmx1024m -XX:PermSize=128m
>> -XX:MaxPermSize=512m -XX:NewSize=192m -XX:MaxNewSize=384m -verbose:gc
>> -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Djava.awt.headless=true
>> -Dhttp.agent=Sakai -Dsakai.demo=true
>> -Dorg.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING=false
>> -Dsun.lang.ClassLoader.allowArraySyntax=true'
>>
>> (Anthony suggests I do not need Strict Quote Escaping, is it safe to leave
>> it in there since it appears it will be required going forward)
>>
>> 3. <insert your adjustment here>
>>
>> -- Warwick Bruce Chapman | 083 7797 094 | http://warwickchapman.com
>>
>>
>>
>>
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