Update index by query error large index


I'm trying to update my index by query like so:

POST my_index/_update_by_query?pipeline=my_pipeline&conflicts=proceed

Because my index has alot of docs (nearly 40mil) the update stops after some thousand docs and I receive the message:

{"ok":false,"message":"backend closed connection"}

How can I allow the query to continue running past that?
Or should I trigger alot of times?


you probably want to run the update by query asynchronously, see Update By Query API | Elasticsearch Guide [7.13] | Elastic


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