Re: problem with kafka on multiple partitions and large size message

2020-11-30 Thread Arvid Heise
Hi Youzha, could you double-check if your filter function is actually just filtering out all messages? For example, could you replace the filter by (record -> true)? Filtering all records would most certainly describe the behavior best. If that doesn't work, we need to go back to the basics: whic

Re: problem with kafka on multiple partitions and large size message

2020-11-30 Thread Youzha
Hi, Sorry for my last pict attachment. there is still filter transform process before produce to kafka. when i check it again, if i use rebalance function, there will be stuck on the first process after consume message. on my last post. the process stuck on filter process. After consume from topic

Re: problem with kafka on multiple partitions and large size message

2020-11-30 Thread Youzha
Hi Arvid, thanks for your reply. yes i’m using exactly once mode and i’ve enable checkpointing. env.enableCheckpointing(2, CheckpointingMode.EXACTLY_ONCE); this is my flow in the web UI. i’m trying to do the simple thing. read from kafka and then sink it to another topic. this is the web

Re: problem with kafka on multiple partitions and large size message

2020-11-30 Thread Arvid Heise
Hi Youzha, do you use exactly once mode in kafka producer? Make sure that you have enabled checkpointing and set the interval appropriately. You can also see the message flow in the web UI. Check if something is reaching the sink. Aside from that, if you use window operators make sure that they f

problem with kafka on multiple partitions and large size message

2020-11-30 Thread Youzha
Hi, i’m using kafka consumer and producer on flink. i’ve succeed to consume, transform, and produce to another topic on my development env ( 1 partition and a few dummy msg) but when i try to submit job on production env ( 20 partitions and the size is about 100Gb ), there is no one message produ