It'd be kinda awesome if we could have an io_uring with multiple submission queues/rings, but only one completion queue/ring. With the ability to map the submission queue only in one process, but the completion queue in multiple.
CC: @axboe
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For postgres that'd allow us to submit IO without locking, but still allow to complete IOs issued in other backend's rings, if they're busy with other stuff.
10:11 AM - 20 May 2020
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