tomee 1.7.x branch OOME fail on build

["hanasaki@gmail.com" <ha...@gmail.com>]

Splitting this email to a new thread.
Appears to be build server environment related.


==
From: Andy Gumbrecht
Sent:  Saturday, July 26, 2014 6:47AM
To: dev@tomee.apache.org
Subject: Re: TomEE 1.7.0 blockers

I setup a Jenkins based build on an isolated new slave exposing OOME on 
builds (note: the past issues did not have OOME issues on build however 
were on a 16gig host vs current jenkins slave 2g).  What maven opt 
parameters for memory would you suggest?  Should these be set on the mvn 
command line or in the surefire plugin?  I noticed the pom.xml for 
bval-embedded provides -Xmx512m to surefire 2.17

Note: Switched openjdk 1.7.0_65 : 7u65-b17 64 bit linux
Failures before were with oracle 1.8u11 and 1.7u65

Re: tomee 1.7.x branch OOME fail on build

[agumbrecht <ag...@tomitribe.com>]

I'll give you usual my command line parameters:

MAVEN_OPTS=-Xmx768m -XX:MaxPermSize=256M -XX:ReservedCodeCacheSize=64m
-Xss2048k

mvn -Dsurefire.useFile=false -DdisableXmlReport=true -ff
-DfailIfNoTests=false clean install

Where you set MAVEN_OPTS is really up to you, just make sure it's
set/exported before the call to mvn.

I set -Xss and -XX:ReservedCodeCacheSize pretty high because some of the
thread and code stacks can be pretty full during a build - Never set these
that high for the runtime.

Setting -XX:MaxPermSize=256M is the one to play with if you run out of
memory - But NOTE: This is NOT required for java8!

I really wouldn't play with surefire plugin settings per test - It's very
rare that you'll need that - You may want to define it globally in the
parent pom.

Andy.



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