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https://issues.apache.org/jira/browse/FLINK-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173649#comment-16173649
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ASF GitHub Bot commented on FLINK-7486:
---------------------------------------
Github user EronWright commented on a diff in the pull request:
https://github.com/apache/flink/pull/4628#discussion_r140022455
--- Diff:
flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/LaunchableMesosWorker.java
---
@@ -155,7 +155,7 @@ public int getPorts() {
@Override
public List<? extends VMTaskFitnessCalculator>
getSoftConstraints() {
- return null;
+ return params.softConstraints();
--- End diff --
Let's pass the soft constraints to the launchable mesos worker in its
constructor, rather than fetching them from the params. The params aren't a
good vehicle for this information.
> flink-mesos: Support for adding unique attribute / group_by attribute
> constraints
> ---------------------------------------------------------------------------------
>
> Key: FLINK-7486
> URL: https://issues.apache.org/jira/browse/FLINK-7486
> Project: Flink
> Issue Type: Improvement
> Components: Mesos
> Affects Versions: 1.3.2
> Reporter: Bhumika Bayani
> Assignee: Bhumika Bayani
>
> In our setup, we have multiple mesos-workers. Inspite of this, flink
> application master most of the times ends up spawning all task-managers on
> same mesos-worker.
> We intend to ensure HA of task managers. We would like to make sure each
> task-manager is running on different mesos-worker as well as such
> mesos-worker which does not share the AZ attribute with earlier task manager
> instances.
> Netflix-fenzo supports adding UniqueHostAttribute and BalancedHostAttribute
> contraints. Flink-mesos should also enable us to add these kind of
> constraints.
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