----- Original Message ----- > From: "Mohammed Rafi K C" <rkavunga@xxxxxxxxxx> > To: "Vijay Bellur" <vbellur@xxxxxxxxxx>, "Kingsley" <gluster@xxxxxxxxxxxxxxxxxxx>, gluster-users@xxxxxxxxxxx, > "Raghavendra Gowdappa" <rgowdapp@xxxxxxxxxx> > Sent: Tuesday, May 5, 2015 9:09:31 AM > Subject: Re: performance tuning - list of available options? > > > > On 05/05/2015 05:24 PM, Vijay Bellur wrote: > > On 05/05/2015 04:34 PM, Kingsley wrote: > >> On Tue, 2015-05-05 at 15:08 +0530, Vijay Bellur wrote: > >> [snip] > >>> I have seen this before and it primarily seems to be related to the > >>> readdir calls done by git clone. > >>> > >>> Turning on these options might help to some extent: > >>> > >>> gluster volume set <volname> performance.readdir-ahead on > >>> > >>> gluster volume set <volname> cluster.readdir-optimize on > >> > >> Is there a list of all performance tuning options, and a description of > >> what they do? Even better if it details pros/cons of using a particular > >> option, or circumstances in which you might want to use it. > >> > >> If such a list exists, it would be very useful. I've tried googling but > >> can only find pages for very old versions (eg gluster 3.2) and only > >> detailing /some/ options. > >> > >> Knowing what the value defaults to would also be handy. In a separate > >> thread, someone advised me to do "gluster volume set <VOLNAME> > >> performance.flush-behind off", but when I found that didn't help (the > >> issue turned out to be something I was doing, not a fault in gluster) I > >> couldn't figure out what the default value was, so I didn't know whether > >> to leave it off, or whether it had previously been on. > >> > >> Is there anything available? > > > > > > Thanks for this feedback. This is something that I would like to see > > captured too. > > > > Raghavendra, Rafi - would you be able to help create a document on > > this one? > I would be happy to contribute for this, but I can only spend time after > 3.7 release :-) . > > Along with the performance turning guide, we can also enhance our > development guide. I have some ideas here, happy to help. -b > > Rafi KC > > > > -Vijay > > _______________________________________________ > Gluster-users mailing list > Gluster-users@xxxxxxxxxxx > http://www.gluster.org/mailman/listinfo/gluster-users > _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://www.gluster.org/mailman/listinfo/gluster-users
