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This was referenced Jul 27, 2025
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Which issue does this PR close?
Closes #6440.
Rationale for this change
Applying back-pressure on concurrent reads to not create tasks faster than they are processed. The example in the documentation of the
completed_but_unretrievedfields reads to be that the intention was that if concurrency is 10 andcompleted_but_unretrievedis 3, then 7 tasks can be going. I.e. the Addition should have been a Substraction.What changes are included in this PR?
Don't run out of system resources when doing concurrent reads by applying back-pressure.
Are there any user-facing changes?