Re: [SURVEY] How do people upgrade their Flink applications?

2019-10-08 Thread Konstantinos Kallas
ction applications 3. Deploy the upgraded application to pre-production environment with copy of production inputs/outputs. It should be running for more than one cycle, usually one day or one week. 4. Deploy it the production environment Best, Yang Konstantinos Kallas mailto:konstantino

[SURVEY] How do people upgrade their Flink applications?

2019-10-07 Thread Konstantinos Kallas
their results to make sure that they are consistent? Do you run a set of unit and integration tests and then deploy if they all succeed? Do you have some other method? Best regards, Konstantinos Kallas

Re: [SURVEY] What is the most subtle/hard to catch bug that people have seen?

2019-10-01 Thread Konstantinos Kallas
1 Oct 2019, at 04:18, Konstantinos Kallas mailto:konstantinos.kal...@hotmail.com>> wrote: Hi everyone. I wanted to ask Flink users what are the most subtle Flink bugs that people have witnessed. The cause of the bugs could be anything (e.g. wrong assumptions on data, parallelism of non-paral

Re: [SURVEY] What is the most subtle/hard to catch bug that people have seen?

2019-10-01 Thread Konstantinos Kallas
1 Oct 2019, at 04:18, Konstantinos Kallas <mailto:konstantinos.kal...@hotmail.com> wrote: Hi everyone. I wanted to ask Flink users what are the most subtle Flink bugs that people have witnessed. The cause of the bugs could be anything (e.g. wrong assumptions on data, parallelism of non-parallel oper

[SURVEY] What is the most subtle/hard to catch bug that people have seen?

2019-09-30 Thread Konstantinos Kallas
would be interesting to have examples of difficult to spot bugs to evaluate our testing framework on. Thanks, Konstantinos Kallas