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

Konstantin Raskoshnyi konrasko at gmail.com
Sat Mar 26 01:07:52 UTC 2016


Sorry, Asking again...Any possibilities to fix this bug, without upgrading
the system?
It's a physical host. Today it's almost not working (Systems menu), even if
i list 25 hosts or search for a specific one. The top doesn't show any
processes locking the system.
Thanks!

On Fri, Mar 25, 2016 at 10:41 AM, Matt Moldvan <matt at moldvan.com> wrote:

> Yes I think the way the dependencies are set in the packages updating one
> will potentially update the rest, so best to do the update off hours, and
> if possible (if it's a VM for example) take a snapshot or back up of your
> config and database first.
>
> On Fri, Mar 25, 2016 at 12:14 PM Konstantin Raskoshnyi <konrasko at gmail.com>
> wrote:
>
>> Yep. I double checked the version, and it's 2.3.
>> Is it necessary to update the whole packages with yum?
>> It's the main deployment server. Don't want to get any troubles :).
>> Thanks!
>>
>>
>> On Friday, March 25, 2016, Matt Moldvan <matt at moldvan.com> wrote:
>>
>>> Cool, I was thinking you were already at 2.4 from your earlier reply.
>>> Either way good luck and let us know if it solves your issue in case anyone
>>> has the same question in the future.
>>>
>>> > The spacewalk version is 2.4, Oct 7th, 2015 Thanks!
>>>
>>> On Thu, Mar 24, 2016 at 11:15 PM Konstantin Raskoshnyi <
>>> konrasko at gmail.com> wrote:
>>>
>>>> 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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>>>>>>
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