Using a profiler I found out that the main performance problem (80%) was spent in a domain specific data structure. After implementing it with a more efficient one, the performance problems are gone.
-- View this message in context: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Improving-Flink-Performance-tp11248p11447.html Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.
