Best way to delete 200K process instances

Camunda 8 Topics Discussion & Questions
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Hi All,

What is the best way to mass delete process instances that belongs to a process definition? I am talking about 200K+ process instances. Deleting deployment with cascade doesn’t help due to the high amount of process instances.

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Hi @srht,

You can try below REST call to do async (batch) deletion of running instances
https://docs.camunda.org/manual/7.17/reference/rest/process-instance/post-delete-historic-query-based/

And below REST call to do async (batch) deletion of historic process instances
https://docs.camunda.org/manual/7.17/reference/rest/history/process-instance/post-delete/

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thanks you @hassang !

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