+1 for 1 through 3 -1 for 4 as I think the exception should apply to normal change feeds as well, as described in the thread
Cheers, -Nick > On Jan 8, 2021, at 17:12, Joan Touzet <woh...@apache.org> wrote: > > Thanks, then it's a solid +1 from me. > > -Joan > >> On 2021-01-08 4:13 p.m., Robert Newson wrote: >> You are probably thinking of a possible “group commit”. That is anticipated >> and not contradicted by this proposal. This proposal is explicitly about not >> using multiple states of the database for a single doc lookup, view query, >> etc. >>>> On 8 Jan 2021, at 19:53, Joan Touzet <woh...@apache.org> wrote: >>> >>> +1. >>> >>> This is for now I presume, as I thought that there was feeling about >>> relaxing this restriction somewhat for the 5.0 timeframe? Memory's dim. >>> >>> -Joan >>> >>> On 07/01/2021 06:00, Robert Newson wrote: >>>> Hi, >>>> >>>> Following on from the discussion at >>>> https://lists.apache.org/thread.html/rac6c90c4ae03dc055c7e8be6eca1c1e173cf2f98d2afe6d018e62d29%40%3Cdev.couchdb.apache.org%3E >>>> >>>> <https://lists.apache.org/thread.html/rac6c90c4ae03dc055c7e8be6eca1c1e173cf2f98d2afe6d018e62d29@%3Cdev.couchdb.apache.org%3E> >>>> >>>> The proposal is; >>>> >>>> "With the exception of the changes endpoint when in feed=continuous mode, >>>> that all data-bearing responses from CouchDB are constructed from a >>>> single, immutable snapshot of the database at the time of the request.” >>>> >>>> Paul Davis summarised the discussion in four bullet points, reiterated >>>> here for context; >>>> >>>> 1. A single CouchDB API call should map to a single FDB transaction >>>> 2. We absolutely do not want to return a valid JSON response to any >>>> streaming API that hit a transaction boundary (because data >>>> loss/corruption) >>>> 3. We're willing to change the API requirements so that 2 is not an issue. >>>> 4. None of this applies to continuous changes since that API call was >>>> never a single snapshot. >>>> >>>> >>>> Please vote accordingly, we’ll run this as lazy consensus per the bylaws >>>> (https://couchdb.apache.org/bylaws.html#lazy >>>> <https://couchdb.apache.org/bylaws.html#lazy>) >>>> >>>> B. >>>> >>>>
