[ovirt-users] Ovirt Hang after adding to ManageIq

Wed Sep 3 13:39:08 UTC 2014

Also roping in Alex Krzos.  He's had quite a bit of experience with performance analysis with ovirt downstream as well as manageIQ.

----- Original Message -----
> From: "Oved Ourfali" <ovedo at redhat.com>
> To: "Liran Zelkha" <lzelkha at redhat.com>
> Cc: "Chandrahasa S" <chandrahasa.s at tcs.com>, emesika at redhat.com, users at ovirt.org, "Greg Blomquist"
> <gblomqui at redhat.com>
> Sent: Tuesday, September 2, 2014 4:05:41 AM
> Subject: Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> 
> cc-ing also Greg Blomquist, who can help on the manageiq side, if needed.
> 
> Thanks,
> Oved
> 
> ----- Original Message -----
> > From: "Liran Zelkha" <lzelkha at redhat.com>
> > To: "Chandrahasa S" <chandrahasa.s at tcs.com>
> > Cc: emesika at redhat.com, "Oved Ourfali" <ovedo at redhat.com>, users at ovirt.org
> > Sent: Tuesday, September 2, 2014 10:38:14 AM
> > Subject: Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> > 
> > It should decrease the GC frequency and reduce the CPU time.
> > 
> > ----- Original Message -----
> > From: "Chandrahasa S" <chandrahasa.s at tcs.com>
> > To: "Liran Zelkha" <lzelkha at redhat.com>
> > Cc: emesika at redhat.com, "Oved Ourfali" <ovedo at redhat.com>, users at ovirt.org
> > Sent: Tuesday, September 2, 2014 10:30:44 AM
> > Subject: Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> > 
> > Thanks for reply.
> > 
> > I can increase Heap size, but does it resolve CPU hogging problem.
> > 
> > 
> > Regards,
> > Chandrahasa S
> > 
> > 
> > 
> > From:   Liran Zelkha <lzelkha at redhat.com>
> > To:     Chandrahasa S <chandrahasa.s at tcs.com>
> > Cc:     emesika at redhat.com, Oved Ourfali <ovedo at redhat.com>,
> > users at ovirt.org
> > Date:   09/02/2014 11:49 AM
> > Subject:        Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> > 
> > 
> > 
> > The engine is configured by default to use 1GB of HEAP. It won't take more
> > than that, so it won't show as using too much memory on the system
> > monitoring.
> > The engine log mentions OutOfMemory errors caused by excessive GC, and the
> > Exceptions that follow are related to OutOfMemory situations - so
> > increasing the HEAP size should assist you.
> > 
> > 
> > ----- Original Message -----
> > From: "Chandrahasa S" <chandrahasa.s at tcs.com>
> > To: "Liran Zelkha" <lzelkha at redhat.com>
> > Cc: emesika at redhat.com, "Oved Ourfali" <ovedo at redhat.com>, users at ovirt.org
> > Sent: Tuesday, September 2, 2014 8:59:56 AM
> > Subject: Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> > 
> > Thanks for reply.
> > 
> > What I observed is Manager is not consuming much memory, Only CPU usage
> > going high.
> > 
> > Regards,
> > Chandrahasa S
> > 
> > 
> > 
> > From:   Liran Zelkha <lzelkha at redhat.com>
> > To:     Oved Ourfali <ovedo at redhat.com>, chandrahasa.s at tcs.com
> > Cc:     emesika at redhat.com, users at ovirt.org
> > Date:   09/02/2014 11:04 AM
> > Subject:        Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> > 
> > 
> > 
> > Hi Chandra,
> > 
> > You have OutOfMemory errors. In Java applications, this causes allot of GC
> > 
> > activity, which causes CPU usage to spike.
> > Can you allocate more memory to the oVirt engine?
> > 
> > > 
> > > ----- Forwarded Message -----
> > > From: "Chandrahasa S" <chandrahasa.s at tcs.com>
> > > To: "Oved Ourfali" <ovedo at redhat.com>
> > > Cc: users at ovirt.org
> > > Sent: Monday, August 25, 2014 10:15:40 AM
> > > Subject: Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> > > 
> > > Log attached.
> > > 
> > > 
> > > 
> > > 
> > > Chandra
> > > 
> > > 
> > > 
> > > From: Oved Ourfali <ovedo at redhat.com>
> > > To: Chandrahasa S <chandrahasa.s at tcs.com>
> > > Cc: users at ovirt.org
> > > Date: 08/25/2014 11:12 AM
> > > Subject: Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> > > 
> > > 
> > > 
> > > 
> > > Can you send the logs as well?
> > > 
> > > ----- Original Message -----
> > > > From: "Chandrahasa S" <chandrahasa.s at tcs.com>
> > > > To: "Oved Ourfali" <oourfali at redhat.com>
> > > > Cc: users at ovirt.org
> > > > Sent: Monday, August 25, 2014 7:23:59 AM
> > > > Subject: Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> > > > 
> > > > Dear Oved Team,
> > > > 
> > > > Ovirt version is 3.4.
> > > > 
> > > > Regards,
> > > > Chandrahasa S
> > > > Tata Consultancy Services
> > > > Data Center- ( Non STPI)
> > > > 2nd Pokharan Road,
> > > > Subash Nagar ,
> > > > Mumbai - 400601,Maharashtra
> > > > India
> > > > Ph:- +91 22 677-81825
> > > > Buzz:- 4221825
> > > > Mailto: chandrahasa.s at tcs.com
> > > > Website: http://www.tcs.com
> > > > ____________________________________________
> > > > Experience certainty. IT Services
> > > > Business Solutions
> > > > Consulting
> > > > ____________________________________________
> > > > 
> > > > 
> > > > 
> > > > From: Oved Ourfali <oourfali at redhat.com>
> > > > To: Chandrahasa S <chandrahasa.s at tcs.com>
> > > > Cc: users at ovirt.org
> > > > Date: 08/24/2014 05:06 PM
> > > > Subject: Re: [ovirt-users] Ovirt Hang after adding to ManageIq
> > > > 
> > > > 
> > > > 
> > > > Can you send us more details?
> > > > What version of ovirt? Can you attach the logs? Anything special you
> > did
> > > > in manageiq after adding ovirt?
> > > > Thanks
> > > > Oved
> > > > On Aug 22, 2014 9:49 AM, Chandrahasa S <chandrahasa.s at tcs.com> wrote:
> > > > Dear Team,
> > > > 
> > > > Need you Help.
> > > > 
> > > > I have added Ovirt to ManageIq, after adding Ovirt Manager started to
> > > > hang. Observed CPU utilization going high.
> > > > 
> > > > Once I removed it back everything gone ok, any one faced same issue ?
> > any
> > > > resolution ?
> > > > 
> > > > Regards,
> > > > Chandrahasa S
> > > > Tata Consultancy Services
> > > > Data Center- ( Non STPI)
> > > > 2nd Pokharan Road,
> > > > Subash Nagar ,
> > > > Mumbai - 400601,Maharashtra
> > > > India
> > > > Ph:- +91 22 677-81825
> > > > Buzz:- 4221825
> > > > Mailto: chandrahasa.s at tcs.com
> > > > Website: http://www.tcs.com
> > > > ____________________________________________
> > > > Experience certainty. IT Services
> > > > Business Solutions
> > > > Consulting
> > > > ____________________________________________
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