On Mon, Jul 6, 2015 at 1:00 AM, Atri Sharma <atri.j...@gmail.com> wrote:
> Can some sort of persistent Write Ahead Logging help here? > I think so. Perhaps we can have the same type of queue on the backup nodes which will only get flushed in case of primary node failure? > > On Mon, Jul 6, 2015 at 11:32 AM, Dmitriy Setrakyan <dsetrak...@apache.org> > wrote: > > > On Sun, Jul 5, 2015 at 10:58 PM, Vladimir Ozerov <voze...@gridgain.com> > > wrote: > > > > > Igniters, > > > > > > Can someone explain me how write-behind store should behave in case of > > node > > > stop when some changes has not been flushed to the underlying store > yet? > > > Are we guarantee that all pending changes will be flushed to the > > underlying > > > store? > > > > > > > > I think we should make the best effort to persist the un-flushed updates > in > > case of graceful exit. Of course, not guarantees can be provided, and if > a > > server stop abruptly, then some updates might be lost. > > > > > > > Vladimir. > > > > > > > > > -- > Regards, > > Atri > *l'apprenant* >