Thanks for pointing to visualvm again, will check that first in the future. There is no problem with trunk but there was a problem with my GC settings. I forgot to add an additional 0 to -XX:MaxGCPauseMillis so it became too small.
Thanks, Markus -----Original message----- > From:Mark Miller <markrmil...@gmail.com> > Sent: Thu 03-Jan-2013 01:16 > To: solr-user@lucene.apache.org > Subject: Re: CPU spikes on trunk > > Any chance you can hook up to a node with something like visual vm and sample > some method calls or something? > > - Mark > > On Jan 2, 2013, at 10:15 AM, Markus Jelsma <markus.jel...@openindex.io> wrote: > > > Hi, > > > > We have two clusters running on similar machines equipped with SSD's. One > > runs a 6 month old trunk check out and another always has a very recent > > check out. Both sometimes receive a few documents to index. The old cluster > > actually processes queries. > > > > We've seen performance differences before, the idle new cluster is always > > more slow to respond than the old one. Top and other monitoring tools show > > frequent CPU-spikes even when nothing is going on, CPU usage increases when > > a proxy starts to admin/ping them. > > > > Is anyone familiar with this observation? Did i miss something? > > > > Thanks, > > Markus > >
