wsry commented on a change in pull request #15199: URL: https://github.com/apache/flink/pull/15199#discussion_r598061122
########## File path: flink-core/src/main/java/org/apache/flink/configuration/TaskManagerOptions.java ########## @@ -513,6 +513,30 @@ + " the configured min/max size, the min/max size will be used. The exact size of Network Memory can be" + " explicitly specified by setting the min/max size to the same value."); + /** + * Memory used by blocking shuffle for shuffle data read (currently only used by sort-merge + * shuffle). The minimum valid value can be configured is 32M. Review comment: The reason for this is that too small read memory is bad for performance and 32M is not a big memory overhead. Removing this restriction is also acceptable for me. I will remove and add some descriptions like: decreasing this value may impact the performance. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org