[Spacewalk-list] Spacewalk slow opens full list of nodes (Systems) 250nodes

[Konstantin Raskoshnyi]

Hi Matt!

I tried to tune tomcat, but looks like here's my problem
https://bugzilla.redhat.com/show_bug.cgi?id=1214437

Going to upgrade to version 2.4..

Thanks!

On Thu, Mar 24, 2016 at 8:06 PM, Matt Moldvan <matt at moldvan.com> wrote:

> What are your tomcat settings like?  We have maxThreads set to 2048 for
> the 8009 and 8080 connectors in /etc/tomcat6/server.xml:
>
>     <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000"
> redirectPort="8443" maxThreads="2048" maxKeepAliveRequests="1024"
> URIEncoding="UTF-8" address="127.0.0.1"/>
>     <Connector port="8009" protocol="AJP/1.3" redirectPort="8443"
> URIEncoding="UTF-8" address="127.0.0.1" maxThreads="2048"
> maxConnections="2048" connectionTimeout="600" keepAliveTimeout="600"/>
>
> Also, /etc/tomcat6/tomcat6.conf has some settings for JAVA_OPTS that are
> interesting for tuning purposes:
>
> JAVA_OPTS="-XX:NewRatio=4 -XX:PermSize=1024m -XX:MaxPermSize=2048m
> -XX:NewSize=2048m -XX:MaxNewSize=2048m -Xms8g -Xmx8g -XX:+UseParNewGC
> -XX:+UseConcMarkSweepGC -Dsun.rmi.dgc.client.gcInterval=3600000
> -Dsun.rmi.dgc.server.gcInterval=3600000"
>
> Listing 500 systems on our master took ~10.22 seconds on an 8 vCPU/32GB
> RAM VMware VM, with an external Postgres database VM that has 8 vCPU/16GB
> RAM, so yours could be much quicker with some additional tuning, I would
> think.
>
>
> On Thu, Mar 24, 2016 at 10:01 PM Konstantin Raskoshnyi <konrasko at gmail.com>
> wrote:
>
>> The spacewalk version is 2.4, Oct 7th, 2015
>>
>> Thanks!
>>
>> On Thu, Mar 24, 2016 at 6:21 PM, William H. ten Bensel <WHTENBEN at up.com>
>> wrote:
>>
>>> What version of spacewalk are you running?
>>>
>>> Bill
>>>
>>> On Mar 24, 2016, at 20:15, Konstantin Raskoshnyi <konrasko at gmail.com>
>>> wrote:
>>>
>>> This email originated from outside of the company. Please use discretion
>>> if opening attachments or clicking on links.
>>> ------------------------------
>>>
>>> Hi Community!
>>> We have a spacewalk server on SCLinux 7.1, Java 1.7 and postgres
>>> When I open Systems menu (list servers) and list whole 250 nodes - it
>>> takes about 90 seconds.
>>> The java process shows 400%.
>>> The server has 64Gb of Ram and 24 cores.
>>> Thought the problem in postgres, actually i got the query from the log
>>> file, the query runs about 8seconds.
>>> All other time Java doing something...
>>> Any solutions?
>>>
>>> Thanks!
>>>
>>>
>>>
>>>
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