18.02.2014 03:49, Andrew Beekhof wrote: > > On 31 Jan 2014, at 6:20 pm, yusuke iida <yusk.i...@gmail.com> wrote: > >> Hi, all >> >> I measure the performance of Pacemaker in the following combinations. >> Pacemaker-1.1.11.rc1 >> libqb-0.16.0 >> corosync-2.3.2 >> >> All nodes are KVM virtual machines. >> >> stopped the node of vm01 compulsorily from the inside, after starting 14 >> nodes. >> "virsh destroy vm01" was used for the stop. >> Then, in addition to the compulsorily stopped node, other nodes are >> separated from a cluster. >> >> The log of "Retransmit List:" is then outputted in large quantities from >> corosync. > > Probably best to poke the corosync guys about this. > > However, <= .11 is known to cause significant CPU usage with that many nodes. > I can easily imagine this staving corosync of resources and causing breakage. > > I would _highly_ recommend retesting with the current git master of pacemaker. > I merged the new cib code last week which is faster by _two_ orders of > magnitude and uses significantly less CPU.
Andrew, you mean your cib-performance branch, am I correct? Unfortunately it is not in .11 (sorry if I overlooked it there), and even not in Clusterlabs/master yet and seems to be merged and then reverted in beekhof/master... > > I'd be interested to hear your feedback. > >> >> What is the reason which the node in which failure has not occurred carries >> out "lost"? >> >> Please advise, if there is a problem in a setup in something. >> >> I attached the report when the problem occurred. >> https://drive.google.com/file/d/0BwMFJItoO-fVMkFWWWlQQldsSFU/edit?usp=sharing >> >> Regards, >> Yusuke >> -- >> ---------------------------------------- >> METRO SYSTEMS CO., LTD >> >> Yusuke Iida >> Mail: yusk.i...@gmail.com >> ---------------------------------------- >> _______________________________________________ >> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >> >> Project Home: http://www.clusterlabs.org >> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >> Bugs: http://bugs.clusterlabs.org > > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org > _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org