I had set up druid cluster(10 nodes),ingestion kafka data using indexing service.However,I found many of tasks are failed like below,but some data had been existed in segments,I am not sure if all datas are pushed in the segments. failed task lists
besides that,I choose some logs of failed tasks,found there are no fatal error messages,I posted the log file, please help me what caused the task failed.thank so much. one log of failed tasks
there are 2 questions I want to ask,one is how to confirm all consumer data are pushed in the segments,the other is what caused the task Failure.
This looks to be the issue of Hadoop, where multiple threads trying to write to the same file at same time, you need to set overwrite=false
Check if you are running multiple ingestion tasks for same segments.
you can refer below link for further debugging it -
