There are, of course, ways to get couchdb to update views dependent on writes. I also believe this is supposed to get easier in the future (included in the bigcouch merge?).
> Am 20.11.2013 um 23:46 schrieb Simon Metson <si...@cloudant.com>: > > Nope, views are updated on read, hence the "blocking" behaviour you describe. > You can query with update_after, which returns the stale index then triggers > the update. > > >> On Wednesday, 20 November 2013 at 22:43, Mark Hahn wrote: >> >> I thought that every write triggered a view rebuild and that the stale >> option only meant a read didn't have to wait for a current rebuild to >> finish. That would means the views are pretty much up-to-date. >> >> >>> On Wed, Nov 20, 2013 at 2:36 PM, Robert Newson <rnew...@apache.org> wrote: >>> >>> True, but remember couchdb doesn't automatically keep indexes fresh in >>> the background, so "stale" can be "really really stale". ;) >>> >>> B. >>> >>> >>>> On 20 November 2013 22:34, Simon Metson <si...@cloudant.com> wrote: >>>> Unless your app can deal with querying the view stale. >>>> >>>> >>>>> On Wednesday, 20 November 2013 at 21:56, Mark Hahn wrote: >>>>> >>>>> I meant http view requests were blocked. It is waiting for the view >>>>> rebuild. >>>>> >>>>> I'm can't type what I'm thinking today. >>>>> >>>>> >>>>>> On Wed, Nov 20, 2013 at 1:54 PM, Mark Hahn <m...@reevuit.com> wrote: >>>>>> >>>>>> never mind. I wasn't talking about the file level at all. I meant that >>>>>> http read requests are blocked after http update requests. >>>>>> >>>>>> >>>>>> On Wed, Nov 20, 2013 at 1:52 PM, Robert Newson <rnew...@apache.org> >>> wrote: >>>>>> >>>>>>> "DB reads are blocked by DB updates at the http level." >>>>>>> >>>>>>> Nope, there's a process that can read the database and a separate >>> one >>>>>>> for writing to it. Writing to an append only file is obviously >>>>>>> serialized but there's no need to block reads. >>>>>>> >>>>>>> B. >>>>>>> >>>>>>> >>>>>>> On 20 November 2013 21:35, Mark Hahn <m...@reevuit.com> wrote: >>>>>>>>> Database writes are not coupled to view updates. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> I understand now, you are talking about file read/write level. DB >>> reads >>>>>>>> are blocked by DB updates at the http level. >>>>>>>> >>>>>>>> >>>>>>>> On Wed, Nov 20, 2013 at 1:05 PM, Robert Newson < >>> robert.new...@gmail.com >>>>>>>> wrote: >>>>>>>> >>>>>>>>> "A write requires updating views and reads have to wait for the >>> update" >>>>>>>>> >>>>>>>>> Is not true. Database writes are not coupled to view updates. >>>>>>>>> >>>>>>>>> Sent from my iPad >>>>>>>>> >>>>>>>>>> On 20 Nov 2013, at 20:59, Mark Hahn <m...@reevuit.com> wrote: >>>>>>>>>> >>>>>>>>>> A write requires updating views and reads have >>>>>>>>>> to wait for the update >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >>> >> >> >> > >
