24 Sep
2014
24 Sep
'14
4:17 p.m.
On Wed, Sep 24, 2014 at 10:07 AM, Pascal BASTIEN
<pbasnews-xwiki(a)yahoo.fr> wrote:
Hello,
I need to migrate my Xwiki in data center, on a Tomcat 7.0.47server with 10Go RAM.
I use postgreSQL server but filesystem based attachment store.
I read with attention http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Performances
page.
This is still adapted on 6.2 version?
Have you some more tips to increase XWiki's 6.2 performance?
Everything should be there.
You indicate "Try not to ge beyond 1024MB since adding more memory means more GC
time and thus lower performance."
Not sure this one is really accurate that important or even accurate.
We have more on myxwiki.org and xwiki.org for example.
With 6.x I needed to use this parameter (without it,
Xwiki crash):
JAVA_OPTS="-server -Xms1724m -Xmx1724m -XX:PermSize=256M -XX:MaxPermSize=512m
-Dfile.encoding=utf-8 -Djava.awt.headless=true -XX:+UseParallelGC -XX:MaxGCPauseMillis=100
-Dhttp.proxyHost=xxxxx -Dhttp.proxyPort=xxxx"
1724 is far from a standard requirement, maybe your document cache is
too big or there is another issue (I'm currently investigating
something that looks like some weird memory leak in SOLR/Lucene in
6.2). You should probably take a heap dump and look at it with
something like visualvm or yourkit.
Do you have a filtered table containing admins system config and perf?
Something, like:
PowerEdge 2950 | 16Go RAM | Wheezy | Tomcat 7.0.47 | JAVA_OPTS="-server -Xms | ...
| Perf: good
No but its a good idea, you could start a new section at the end of
http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Performances.
Of course, perhaps it is a security hole to display
too much, but tomcat conf is a minimum?
WDYT?
Thxs
Pascal B
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Thomas Mortagne