Hello community, We've come up with a completely new design for Flink state TTL, documented here, and have run it by a few Flink PMC/committers.
What do you think? We'd love to hear feedbacks from you Thanks, Bowen > On Wed, Feb 7, 2018 at 12:53 PM, Fabian Hueske <fhue...@gmail.com> wrote: > Hi Bowen, > > Thanks for the proposal! I think state TTL would be a great feature! > Actually, we have implemented this for SQL / Table API [1]. > I've added a couple of comments to the design doc. > > In principle, I'm not sure if this functionality should be added to the > state backends. > We could also use the existing timer service which would have a few nice > benefits (see my comments in the docs). > > Best, Fabian > > [1] > https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/table/streaming.html#idle-state-retention-time > > 2018-02-06 8:26 GMT+01:00 Bowen Li <bowenl...@gmail.com>: > > > Hi guys, > > > > I want to propose a new FLIP -- FLIP-25 - Support User State TTL Natively > > in Flink. This has been one of most handy and most frequently asked > > features in Flink community. The jira ticket is FLINK-3089 > > <https://issues.apache.org/jira/browse/FLINK-3089>. > > > > I've written a rough design > > <https://docs.google.com/document/d/1qiFqtCC80n4oFmmfxBWXrCd37mYKc > > uureyEr_nPAvSo/edit#> > > doc > > <https://docs.google.com/document/d/1qiFqtCC80n4oFmmfxBWXrCd37mYKc > > uureyEr_nPAvSo/edit#>, > > and developed prototypes for both heap and rocksdb state backends. > > > > My question is: shall we create a FLIP page for this? Can I be granted the > > privileges of creating pages in > > https://cwiki.apache.org/confluence/display/FLINK/ > > Flink+Improvement+Proposals > > ? > > > > Thanks, > > Bowen > >
