On Thu, Sep 25, 2014 at 11:27:29PM -0700, Will Yardley wrote: > $fork_delay wouldn't affect this here, would it (it's set to 1s, but > can't be set lower anyway)? I re-tried setting in_flow_delay and did a > postfix reload, but that didn't change anything.
Maybe this is due to $deliver_lock_delay, also set to the default of 1 second? This would make sense, because of the flock() calls before / after it; >From the docs, I am guessing this would tie into the lock on the bounce(8) logfile, vs. a mailbox (not using mbox, and this is way before the delivery portion of the transaction)? The bounce line in master.cf is: bounce unix - - n - 0 bounce and the socket: $ netstat -an | grep bounce unix 2 [ ACC ] STREAM LISTENING 17825 private/bounce The system itself does not display high iowait or anything else that makes me think writing to the message-log file would be slow. /var is an ext4 filesystem on a RAID 10 array. w
