We've seen the same thing here. We read files twice for the same reason, it's
simply faster to do that than to connect the two pipes to the same input.
From: Sofer, Tovi [mailto:tovi.so...@citi.com]
Sent: Monday, January 01, 2018 8:51 AM
To: user@flink.apache.org
Subject: Two operators consuming
d”,“ orderId”)
.flatMap(mapperB);
From: Timo Walther [mailto:twal...@apache.org]
Sent: יום ד 03 ינואר 2018 11:02
To: user@flink.apache.org
Subject: Re: Two operators consuming from same stream
Hi Tovi,
I think your code without duplication performs two separate shuffle operations
whereas the ot
Hi Tovi,
I think your code without duplication performs two separate shuffle
operations whereas the other code only performs one shuffle.
Further latency impacts might be due to the overhead involved in
maintaining the partitioning for a keyed stream/key groups and switching
key contexts in