True. Each client might pin memory amount equal to amount of written data from this client for up to 7 seconds.
On Feb 13, 2011, at 9:07 PM, Andreas Dilger wrote: > One known issue is that the memory requirements on the clients is increased > with async journals in the case of few clients writing to the filesystem. > > Cheers, Andreas > > On 2011-02-13, at 17:24, Oleg Drokin <[email protected]> wrote: > >> Hello! >> >> On Feb 13, 2011, at 7:18 PM, Samuel Aparicio wrote: >> >>>> Also you might want try async journal commits (+ make your journals big) >>>> to see if that improves your performance in a similar way to an external >>>> journal. >>> we thought about testing this but I also saw a number of bug reports around >>> async commits in failover configurations. Is this stable/available for >>> 1.8.5? >> >> It is believed that all bugs are currently fixed. >> I believe that Oak Ridge National Laboratory uses async journals for quite a >> while on their systems. >> There are some other big users, I think. >> >> Bye, >> Oleg >> _______________________________________________ >> Lustre-discuss mailing list >> [email protected] >> http://lists.lustre.org/mailman/listinfo/lustre-discuss _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
