Re: Moving Jenkins master ASAP

On 08/07/2012 07:20 PM, Robert Middleswarth wrote: > On 08/07/2012 11:47 AM, Karsten 'quaid' Wade wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> On 07/31/2012 07:44 AM, Karsten 'quaid' Wade wrote: >>> We need to pick a new hosting solution for jenkins.ovirt.org. >> Itamar gave us this more direct list of what we need for hosting: >> >> We currently have: >> - - Jenkins master >> - - Gerrit >> - - 2 fc17 jenkins slaves >> - - 2 rhel 6 jenkins slaves >> >> "For gerrit I'd like a quad core, 8-16 GB RAM with decent IO from >> disk." >> >> "For jenkins master - quad core, 8-16GB RAM, a few disks for IO" > ovirt.info Jenkins is based on a pair of Dual quad core CPU's with 16G > of ram and non raided sata disks. The master is centos 6.3 and the > slave is fedora 17. Between the two they are handling all the same > build jobs as ovirt.org in about half the time. The reason why is 2 > fold. 1) the signal sata drive is much faster then the EC2 storage so > the IO waits are limited on ovirt.info comparied to ovirt.org. 2 My > master and slave are on the same gigabit network. So moving around files > are 10x to 100x faster then ovirt.org. >> >> "Jenkins slaves - depends on pricing i guess, but we need quite a few >> of these to run the jobs." >> >> Are minimum need is: >> >> * A new bare metal host for Jenkins master. >> * A new bare metal or VM host for Gerrit. >> * 4 VMs for Jenkins slaves > Ovirt.info tell me that a solid master with 16G of ram should be able to > run 6 jobs and still feed several slaves so you could drop the 2 RHEL > 6.x slaves and just need 2 slaves for Fedora 17 builds plus a VM to > replace the small Linode instance. >> >> I'm going to see what we can do with ~$150/mon, with the idea that we >> could replace the relatively small Linode instance we're spending >> ~$40/mon on currently. >> >> A crazy idea - should we move the master to jenkins.ovirt.info right >> away to get the performance boost, as a stop-gap until we get a >> dedicated host in a datacenter? (Just trying to make us not dependent >> on Robert's house as if it's a datacenter.) > I am open to this. It is my home so there is no backup generator or isp > but my connection is 70/35M so it should be able to support jenkins > needs. I have already given eedri root access to jenkins.ovirt.info > incase that is a question in anyone mind. a home based service for jenkins is a bit troubling for me. but maybe we can share some of the load - say, try to run on it some jobs at patch level and provide feedback on gerrit?