Re: how to write dataset in a file?

2015-11-21 Thread Márton Balassi
Additionally as having multiple files under /output1.txt is standard in the Hadoop ecosystem you can transparently read all the files with env.readTextFile("/output1.txt"). You can also set parallelism on individual operators (e.g the file writer) if you really need a single output. On Fri, Nov

Re: Storm Compatibility

2015-11-21 Thread Matthias J. Sax
Thanks for your feedback! This is very valuable :) Please share your experience (positive and negative) when doing more complex stuff. And don't hesitate to ask if you have any questions. -Matthias On 11/21/2015 06:04 PM, Naveen Madhire wrote: > FYI, I just saw this email chain and thought of

Re: Storm Compatibility

2015-11-21 Thread Naveen Madhire
FYI, I just saw this email chain and thought of sharing my exp. I used the Storm Flink API few days ago. Just a simple example worked well, however I will be testing few more next week. One thing to note is, I had to include all Scala dependencies in the storm topology since

Re: how to write dataset in a file?

2015-11-21 Thread Matthias J. Sax
I would not set > ExecutionEnvironment env = > ExecutionEnvironment.createLocalEnvironment().setParallelism(1); because this changes the default parallelism of *all* operator to one. Instead, only set the parallelism of the **sink** to one (as described here:

Re: Tagging Flink classes with InterfaceAudience and InterfaceStability

2015-11-21 Thread Robert Metzger
Sorry for delaying this discussion a bit. I was busy fixing bugs in 0.10.0 ;) @Nick: Thank you for the pointer to Yetus. I definitively like the idea of having a central project for all the Hadoop-related project tooling. Do you know if Hadoop/HBase is also using a maven plugin to fail a build on

Re: how to write dataset in a file?

2015-11-21 Thread jun aoki
Thank you guys for helping me understand! Precisely I was able to control the behavior on my research work with your help. Does anybody think, however, the behavior is not straightforward? (At least there is another guy on StackOverflow who misunderstand the same way I did) I'd like to ask the