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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>We have Java RabbitMQ consumers with a large prefetch size for performance. When we close down the consumers the messages in the prefetch buffer on the consumer are marked as redelivered. We do slow additional checks on redelivered messages to avoid duplicates, so this is a significant performance hit at a time when we have one less consumer than normal.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is it possible to empty the prefetch buffer when we are closing down to avoid this?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Adam<o:p></o:p></p></div>________________________________________
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