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Integrate IOPS / bandwidth limiting with backpressure #1343

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mkeeter opened this issue Jun 10, 2024 · 0 comments
Open

Integrate IOPS / bandwidth limiting with backpressure #1343

mkeeter opened this issue Jun 10, 2024 · 0 comments

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@mkeeter
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mkeeter commented Jun 10, 2024

As part of Crucible capacity management, we want IOPS and bandwidth limiting.

Right now, those limits are not integrated into the backpressure system, meaning the guest will buffer arbitrarily many jobs (before backpressure), then trickle them into the upstairs at an IOPS/bandwidth-limited rate. Buffering arbitrarily many jobs is bad!

See RFD 445 § 4.1

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