18.02.2014 12:22, Andrew Beekhof wrote: > > On 18 Feb 2014, at 8:18 pm, Andrew Beekhof <and...@beekhof.net> wrote: > >> >> On 18 Feb 2014, at 7:40 pm, Vladislav Bogdanov <bub...@hoster-ok.com> wrote: >> >>> 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? >> >> Yes >> >>> >>> Unfortunately it is not in .11 >> >> Intentionally so :) >> >>> (sorry if I overlooked it there), and >>> even not in Clusterlabs/master yet and seems to be merged and then >>> reverted in beekhof/master... >> >> This has just been brought to my attention :-( >> >> https://github.com/beekhof/pacemaker/commit/1d98f6fd9eb76bd2498bc6356a3aa6e91a8a70e4#commitcomment-5405620 >> >> Give me a few minutes and i'll correct it > > Ok, i've force pushed an tree without the above screwup. > I'll merge into ClusterLabs tomorrow
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