Message priority of rabbitmq

because it seems that messages will be consumed according to priority only when consumers have unack. I feel that message priority is a very chicken-rib function. I don"t know where it can be applied?

Mar.20,2021

you are mistaken.
there are two steps to set the priority of messages:

  1. set the x-max-priority parameter
  2. of the queue
  3. set the priority parameter of the message

then consumers will consume high priority messages first

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Message : Disk full (/tmp/#sql-temptable-64f5-1b2bb51-2baab.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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