[FLINK-10177] Use network transport type AUTO by default

• Type: Improvement
• Status: Open
• Priority: Not a Priority
• Resolution: Unresolved
• Affects Version/s: 1.6.0, 1.7.0
• Component/s: Runtime / Configuration, Runtime / Network
• Labels: auto-deprioritized-major auto-deprioritized-minor auto-unassigned
• Assignee: Unassigned
• Reporter: Nico Kruber
• Created: 20/Aug/18 10:26
• Updated: 27/Dec/21 22:38

Description

Now that the shading issue with the native library is fixed (FLINK-9463), EPOLL should be available on (all?) Linux distributions and provide some efficiency gain (if enabled). Therefore, taskmanager.network.netty.transport should be set to auto by default. If EPOLL is not available, it will automatically fall back to NIO which currently is the default.