[Flink] merge-sort for a DataStream

Posted by Jiewen Shao-2 on
URL: http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/Flink-merge-sort-for-a-DataStream-tp16739.html

In Flink, I have DataStream<List<comparable_pojo>>, each list is individually pre-sorted, what I need to do is persist everything in one shot with global sort order. any ides the best to do this? Hope it makes sense. 

Thanks in advance!