Re: Proposal: Watch: a transform for watching growth of sets

2017-07-30 Thread Eugene Kirpichov
This PR has been submitted and Watch is available. Next PR https://github.com/apache/beam/pull/3607 is in review for adding TextIO.read().watchForNewFiles()! (will extend it to Avro and provide utility transforms for authors of similar IOs) On Wed, Jul 19, 2017 at 8:37 PM Eugene Kirpichov

Re: Proposal: Watch: a transform for watching growth of sets

2017-07-19 Thread Eugene Kirpichov
Hi all, A PR for this is in review https://github.com/apache/beam/pull/3565 I'm very excited about this, because: - I think it turned out to be a very neat API and I'm looking forward to people coming up with more use cases for it - I was pleasantly surprised by being able to come up with a good

Proposal: Watch: a transform for watching growth of sets

2017-06-29 Thread Eugene Kirpichov
Hi all, Please take a look at this short proposal that came out of implementing http://s.apache.org/textio-sdf. I think it's a nice generalization. I would welcome comments on the proposed API, or corner cases of semantics that I haven't thought about, or more generalizations, etc.