Why do I see a bad qpid broker performance using ext4 filesystem for storing durable messages?

Solution Verified - Updated -

Issue

We see a bad performance of qpid broker when durable messages are used. /var/log/messages has some warning message about unaligned writes, can that be related?

Environment

  • MRG Messaging (any version)
  • ext4 filesystem used for journal files of durable messages

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