I will fork the branch and try, thanks. On 25 Aug 2015 10:39, "Vlad Rozov" <[email protected]> wrote:
> Please take a look at my SPOI-5823 branch. I am almost done with the > enhancement and just finishing up some synchronization code. Note that the > branch is for review only and I am waiting for code migration to Apache to > commit my changes. > > Vlad > > On 8/24/15 18:25, Atri Sharma wrote: > >> Sound pretty cool. >> >> I have half baked patch for the thing I talked about. I think I can help >> with your patch and/or extend it to something of what I have in mind. >> >> Could you please point me to the right repo? >> On 25 Aug 2015 06:33, "Vlad Rozov" <[email protected]> wrote: >> >> To add to Chetan comment, I am working on an enhancement that offloads >>> bufferserver spooling to disk to a separate thread. This thread will kick >>> in when only half (should it be configurable?) of memory blocks are left >>> available. This should further avoid possibility of I/O spikes. >>> >>> Vlad >>> >>> On 8/24/15 14:16, Chetan Narsude wrote: >>> >>> The bufferserver writes pages to disk *only when* it runs out of memory >>>> to >>>> hold them. >>>> >>>> Can you elaborate where you see I/O spikes? >>>> >>>> -- >>>> Chetan >>>> >>>> On Mon, Aug 24, 2015 at 12:39 PM, Atri Sharma <[email protected]> >>>> wrote: >>>> >>>> Folks, >>>> >>>>> I was wondering if it makes sense to have a functionality in which >>>>> bufferserver writes out data pages to disk in batches defined by >>>>> timeslice/application window. >>>>> >>>>> This will allow flexible workloads and reduce I/O spikes (I understand >>>>> that >>>>> we have non-blocking I/O but it still would incur disk head costs). >>>>> >>>>> Thoughts? >>>>> >>>>> -- >>>>> Regards, >>>>> >>>>> Atri >>>>> *l'apprenant* >>>>> >>>>> >>>>> >
