Re: Storm compatibility layer currently does not support Storm's SimpleJoin example

2015-06-03 Thread Robert Metzger
It looks like there is a now a PR request available for the storm compatibility: https://github.com/apache/flink/pull/764 It seems were are not the only new stream processing system with compatibility to Storm: http://dl.acm.org/citation.cfm?id=2742788 On Tue, Jun 2, 2015 at 11:09 AM, Szabó Péter

Re: Storm compatibility layer currently does not support Storm's SimpleJoin example

2015-06-02 Thread Szabó Péter
@Robert Thanks! I think the PR will be ready to merge soon :) @Matthias I fixed the finite-source issue on my branch, now every example and ITCase runs and stopps without throwing an exception. Also, in case of finite sources, the spout wrapper will not loop infinitely. I will study your branch an

Re: Storm compatibility layer currently does not support Storm's SimpleJoin example

2015-06-01 Thread Robert Metzger
Great to see that you two are working together on the storm compatibility layer. Please let the other Flink committers know when Matthias PR is in a state that we can review it again (= when you think its ready). Given the feedback from Peter and the long list of missing features and the current r

Re: Storm compatibility layer currently does not support Storm's SimpleJoin example

2015-05-29 Thread Szabó Péter
Thank you very much, this explains a lot of things :) I'm aware of that currently the support of TopologyContext is limited, so I do not expect it to work smoothly. However, there was another issue with the grouping by the "id" field, which seemed very strange. Anyway, I will live the SimpleJoin ex

Re: Storm compatibility layer currently does not support Storm's SimpleJoin example

2015-05-29 Thread Matthias J. Sax
Hi Peter, I started to look into the issue. However, I could not find the following classes in the git repository: org.apache.flink.stormcompatibility.util.AbstractStormSpout org.apache.flink.stormcompatibility.util.OutputFormatter org.apache.flink.stormcompatibility.util.StormBoltFileSink org.ap

Re: Storm compatibility layer currently does not support Storm's SimpleJoin example

2015-05-28 Thread Szabó Péter
Hi Matthias, Of course, here is the package that contains the example's source classes. https://github.com/mbalassi/flink/tree/storm-backup/flink-staging/flink-streaming/flink-storm-examples/src/main/java/org/apache/flink/stormcompatibility/singlejoin It is mostly a copy-paste of SimpleJoin from s

Re: Storm compatibility layer currently does not support Storm's SimpleJoin example

2015-05-27 Thread Matthias J. Sax
Hi Peter, Thanks a lot for your feedback. It's exiting to see, that somebody uses the layer already. :) The current prototype is going to be merged soon. However, I am more than happy to extend the functionality of the layer. Can you please share your example with me, so I can see what the proble

Storm compatibility layer currently does not support Storm's SimpleJoin example

2015-05-27 Thread Szabó Péter
Hey everyone, I experimented with the Storm compatibility layer Matthias wrote, and ran some Storm examples on Flink. I found that Storm's SimpleJoin example does not work. I suppose it is because of the multiple input streams. I'm willing to add another example instead. Right now, I'm getting it