[FLINK-22305] Improve log messages of sort-merge blocking shuffle

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Resolved
• Fix Version/s: 1.13.0
• Component/s: Runtime / Network
• Labels: pull-request-available
• Assignee: Yingjie Cao
• Reporter: Yingjie Cao
• Created: 16/Apr/21 08:24
• Updated: 28/May/21 09:10
• Resolved: 18/Apr/21 03:14

Description

Currently, the default value of taskmanager.network.sort-shuffle.min-buffers is 64, which is pretty small. As suggested, we'd like to increase the default value of taskmanager.network.sort-shuffle.min-buffers. By increasing the default taskmanager.network.sort-shuffle.min-buffers, the corner case of very small in-memory sort-buffer and write-buffer can be avoid, which is better for performance.

Issue Links

• links to: GitHub Pull Request #15652