Github user EronWright commented on a diff in the pull request:
https://github.com/apache/flink/pull/4628#discussion_r140038861
--- Diff: docs/ops/deployment/mesos.md ---
@@ -226,6 +226,10 @@ When running Flink with Marathon, the whole Flink
cluster including the job mana
Takes a comma-separated list of key:value pairs corresponding to the
attributes exposed by the target
mesos agents. Example: `az:eu-west-1a,series:t2`
+`mesos.constraints.soft.balanced`: Soft Constraints for balancing the
tasks across mesos based on agent attributes (**DEFAULT**: None).
+Takes a comma-separated list of key=value pairs. Key corresponds to host
attribute and value is number of expected unique values for given host
attribute.
+Example: `az=3,rack_id=4`
--- End diff --
This syntax seems confusing since it reads like a constraint that `az` will
be equal to `3`. How about: `az(3),rack_id(4)`.
Feel free to use a regular expression to easily parse it (just a
suggestion): `(?:(\w+)\((\d+)\)(?=,|$))`
---
