I'm very curious whether these improvements hold up over the next few days. Please report back.
Sincerely, Artem -- Founder, Android Police <http://www.androidpolice.com>, APK Mirror <http://www.apkmirror.com/>, Illogical Robot LLC beerpla.net | @ArtemR <http://twitter.com/ArtemR> On Wed, Aug 5, 2020 at 9:44 AM Computerisms Corporation <[email protected]> wrote: > Hi List, > > > So, we just moved into a quieter time of the day, but maybe I just > > stumbled onto something. I was trying to figure out if/how I could > > throw more RAM at the problem. gluster docs says write behind is not a > > cache unless flush-behind is on. So seems that is a way to throw ram to > > it? I put performance.write-behind-window-size: 512MB and > > performance.flush-behind: on and the whole system calmed down pretty > > much immediately. could be just timing, though, will have to see > > tomorrow during business hours whether the system stays at a reasonable > > load. > > so reporting back that this seems to have definitely had a significant > positive effect. > > So far today I have not seen the load average climb over 13 with the > 15minute average hovering around 7. cpus are still spiking from time to > time, but they are not staying maxed out all the time, and frequently I > am seeing brief periods of up to 80% idle. glusterfs process still > spiking up to 180% or so, but consistently running around 70%, and the > brick processes still spiking up to 70-80%, but consistently running > around 20%. Disk has only been above 50% in atop once so far today when > it spiked up to 92%, and still lots of RAM left over. So far nload even > seems indicates I could get away with a 100Mbit network connection. > Websites are snappy relative to what they were, still a bit sluggish on > the first page of any given site, but tolerable or close to. Apache > processes are opening and closing right away, instead of stacking up. > > Overall, system is performing pretty much like I would expect it to > without gluster. I haven't played with any of the other settings yet, > just going to leave it like this for a day. > > I have to admit I am a little bit suspicious. I have been arguing with > Gluster for a very long time, and I have never known it to play this > nice. kind feels like when your girl tells you she is "fine"; > conversation has stopped, but you aren't really sure if it's done... > > > > > I will still test the other options you suggested tonight, though, this > > is probably too good to be true. > > > > Can't thank you enough for your input, Strahil, your help is truly > > appreciated! > > > > > > > > > > > > > >> > >>>> > >>>> > >>>> Best Regards, > >>>> Strahil Nikolov > >>>> > >>> ________ > >>> > >>> > >>> > >>> Community Meeting Calendar: > >>> > >>> Schedule - > >>> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC > >>> Bridge: https://bluejeans.com/441850968 > >>> > >>> Gluster-users mailing list > >>> [email protected] > >>> https://lists.gluster.org/mailman/listinfo/gluster-users > > ________ > > > > > > > > Community Meeting Calendar: > > > > Schedule - > > Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC > > Bridge: https://bluejeans.com/441850968 > > > > Gluster-users mailing list > > [email protected] > > https://lists.gluster.org/mailman/listinfo/gluster-users > ________ > > > > Community Meeting Calendar: > > Schedule - > Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC > Bridge: https://bluejeans.com/441850968 > > Gluster-users mailing list > [email protected] > https://lists.gluster.org/mailman/listinfo/gluster-users >
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