Hi Sai, 1) I think its okay to keep state in a RichWindowFunction. 2) I think it stays forever, yes 3) I'm including Nico, he can probably help you with the queryable state question. 4) I guess that's a queryable state question too.
On Fri, Mar 10, 2017 at 1:04 AM, saiprasad mishra <saiprasadmis...@gmail.com > wrote: > Hi All > I have few questions on understanding state with flink > > 1) Is it advisable to create custom state within a RichWindowFunction > function. > I am able to create it but > > 2) If I create state in the window function then does the state remain for > ever as I want the state to stay for ever > > 3) Also one thing I am noticing is the custom valuestate is not queryable > from the query client and it results in the following exception > > org.apache.flink.runtime.query.UnknownKvStateLocation: No KvStateLocation > 4) is it possible to list all the state stores for a job Id, I did not see > it in the client api > > Regards > Sai >