Hi, I think the new Wait / Notify processors, can be used to solve this problem. Koji has a great blog post on it [1].
[1] http://ijokarumawak.github.io/nifi/2017/02/02/nifi-notify-batch/ Thanks, Andrew On Tue, May 9, 2017 at 11:43 PM, 尹文才 <[email protected]> wrote: > Hi guys, I'm currently using NiFi to do some ETL work and I need to handle > the following problem: > > for example I have 3 self-defined processor A, B and C. > all of them contain logic to incrementally update a database table. the > table in C is created by table in A join table in B, so C depends on the > flowfiles from A and B. > > So my question is is there a way for C to wait for both flowfiles from A > and B > to arrive and then start the work in C? Thanks. > -- Thanks, Andrew Subscribe to my book: Streaming Data <http://manning.com/psaltis> <https://www.linkedin.com/pub/andrew-psaltis/1/17b/306> twiiter: @itmdata <http://twitter.com/intent/user?screen_name=itmdata>
