Alexey Goncharuk created IGNITE-8376:
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Summary: Add cluster (de)activation events
Key: IGNITE-8376
URL: https://issues.apache.org/jira/browse/IGNITE-8376
Project: Ignite
Issue Type: Improvement
Reporter: Alexey Goncharuk
Fix For: 2.6
Currently, we do not have any way to detect that a cluster got activated, which
results in busy-loops polling {{cluster().active()}}.
I suggest to add new events, {{EVT_CLUSTER_ACTIVATED}},
{{EVT_CLUSTER_DEACTIVATED}}, {{EVT_CLUSTER_ACTIVATION_FAILED}} which will be
fired when corresponding steps are completed. The event should contain, if
possible, information about the activation source (public API or
auto-activation), topology version on which activation was performed. The fail
event should contain information about the cause of the failure. If needed, a
new class for this event should be introduced.
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