Hello! We expected same troubles and detected very big performance degradation when dcachesize limit fires.
I can suggest switch to vswap and completely disable any limits for dcache. On Tue, Jan 20, 2015 at 1:36 PM, Roman Haefeli <[email protected]> wrote: > Hi all > > We're running a bunch of Containers on hostnodes that still have plenty > of free memory. Also, we monitor the user beancounters on the hostnodes > and it appears that the barrier for dcachesize is exceed by many > containers and this causes a warning in our monitoring system. > > Since there is no shortage of memory, I don't see why we should limit > the cache for the file system. Would there be a problem of setting much > higher value, say 30GB, for this parameter? Is there something one needs > to take care of when increasing DCACHESIZE? > > Thanks, > Roman > > > _______________________________________________ > Users mailing list > [email protected] > https://lists.openvz.org/mailman/listinfo/users -- Sincerely yours, Pavel Odintsov _______________________________________________ Users mailing list [email protected] https://lists.openvz.org/mailman/listinfo/users
