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Persistent task assignment explanations can be confusing when nodes are shutting down #84195

Open droberts195 opened 2 years ago

droberts195 commented 2 years ago

A side effect of the changes made in #72260 is that explanations for failures to assign persistent tasks do not mention nodes which are shutting down.

As an example, this is the assignment explanation from a cluster that contains 24 data/transform nodes that are shutting down and 21 master/ml/ingest nodes that are not shutting down:

image

The explanation seems bizarre in that it tells you that the transform is not going to be assigned to any of the non-transform nodes but does not tell you why it's not going to be assigned to any of the transform nodes.

We need to find a way to include explanations for why persistent tasks are not being assigned to nodes that are shutting down into the overall explanation of why a persistent task was not assigned.

elasticmachine commented 2 years ago

Pinging @elastic/es-core-infra (Team:Core/Infra)