[GitHub] [pulsar] wangjialing218 commented on pull request #13204: support limit message size produced by protocol handlers by maxMessag…

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wangjialing218 commented on pull request #13204:
URL: https://github.com/apache/pulsar/pull/13204#issuecomment-989585480


   There could have a case when we have both pulsar and kafka producer send msgs:
   1.  `totalPendingBytes` exceed `maxMessagePublishBufferSizeInMB` and pulsar broker and KoP both stop read from producer.
   2.  Pulsar have completed all it's pending msgs, but `totalPendingBytes` still exceed `resumeThresholdPendingBytes` since KoP may hold lots of pending buffer, pulsar will not start to read from pulsar producer.
   3.  KoP completed some pending msgs and `totalPendingBytes` become lower than `resumeThresholdPendingBytes`, KoP will start to read from kafka producer. But pulsar broker may still not start to read from pulsar producer because `completedSendOperation` will never called since all pulsar msgs are sent completed.
   
   Could you please consider how to avoid this happen


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