Hello, thanks for this guidance, I wasn't aware of!
Any doc that describe all settings values ? For example, I can't find documentation for cluster.lookup-optimize Cordialement, Mathieu CHATEAU http://www.lotp.fr 2015-07-27 14:58 GMT+02:00 André Bauer <[email protected]>: > Some more infos: > > http://gluster.readthedocs.org/en/latest/Feature%20Planning/GlusterFS%203.7/Small%20File%20Performance/index.html?highlight=small%20file%20performance > > Am 24.07.2015 um 20:15 schrieb Mathieu Chateau: > > Hello, > > > > gluster performance are not good with large number of small files. > > Recent version do a better job with them, but not yet what I would enjoy. > > > > As you are starting at gluster having an existing architecture, you > > should first setup a lab to learn about it Else you will learn the hard > way. > > Don't play with turning off nodes, as you may create more issues than > solve. > > > > just my 2cents > > > > Cordialement, > > Mathieu CHATEAU > > http://www.lotp.fr > > > > 2015-07-24 19:34 GMT+02:00 John Kennedy <[email protected] > > <mailto:[email protected]>>: > > > > I am new to Gluster and have not found anything useful from my > > friend Google. I have not dealt with physical hardware in a few > > years (my last few jobs have been VM's and AWS based) > > > > I inherited a 4 node gluster configuration. There are 2 bricks, one > > is 9TB the other 11TB. > > > > The 11TB brick has a HUGE number of small files taking up only 1.3TB > > of the brick. For some reason, even a simple ls command can take > > hours to even start listing files. I removed a node by shutting down > > gluster on that node. The change in performance is dramatic. If I > > try and do ls on the 11TB brick on the downed node, I am still > > getting the slow response. I have narrowed the issue down to this > > one node as a result. > > > > When I start gluster on the bad node, glusterfsd hits over 1000%CPU > > use (The server has dual 8 core CPU's) and the load will jump to > > 25-30 within 5 minutes. As such, I think this is a gluster issue and > > not a hardware issue. I am trying to not reinstall gluster yet. > > > > Is there something I am missing in my checks or will I need to > > reinstall gluster on that node? > > > > Thanks, > > John > > > > John Kennedy (_8(|) > > Sometimes it happens, sometimes it doesn't - Pedro Catacora > > > > Just because nobody disagrees with you doesn't mean you are correct. > > > > Anatidaephobia is the fear that somehow, somewhere a duck is > > watching you - urbandictionary.com <http://urbandictionary.com> > > > > The Dunning-Kruger effect occurs when incompetent people not only > > fail to realize their incompetence, but consider themselves much > > more competent than everyone else. Basically - they're too stupid to > > know that they're stupid. > > > > _______________________________________________ > > Gluster-users mailing list > > [email protected] <mailto:[email protected]> > > http://www.gluster.org/mailman/listinfo/gluster-users > > > > > > > > > > _______________________________________________ > > Gluster-users mailing list > > [email protected] > > http://www.gluster.org/mailman/listinfo/gluster-users > > > > > -- > Mit freundlichen Grüßen > André Bauer > > MAGIX Software GmbH > André Bauer > Administrator > August-Bebel-Straße 48 > 01219 Dresden > GERMANY > > tel.: 0351 41884875 > e-mail: [email protected] > [email protected] <mailto:Email> > www.magix.com <http://www.magix.com/> > > > Geschäftsführer | Managing Directors: Dr. Arnd Schröder, Michael Keith > Amtsgericht | Commercial Register: Berlin Charlottenburg, HRB 127205 > > Find us on: > > <http://www.facebook.com/MAGIX> <http://www.twitter.com/magix_de> > <http://www.youtube.com/wwwmagixcom> <http://www.magixmagazin.de> > ---------------------------------------------------------------------- > The information in this email is intended only for the addressee named > above. Access to this email by anyone else is unauthorized. If you are > not the intended recipient of this message any disclosure, copying, > distribution or any action taken in reliance on it is prohibited and > may be unlawful. MAGIX does not warrant that any attachments are free > from viruses or other defects and accepts no liability for any losses > resulting from infected email transmissions. Please note that any > views expressed in this email may be those of the originator and do > not necessarily represent the agenda of the company. > ---------------------------------------------------------------------- > _______________________________________________ > Gluster-users mailing list > [email protected] > http://www.gluster.org/mailman/listinfo/gluster-users >
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