Le 12 mars 2013 à 05:51, Kelsey Cummings a écrit : > I noticed our imap servers were generating a lot of A record lookups for > their own IP's the other day and just got around to tracking down the > source. Seems like they are all being caused by guid_128_generate() - > perhaps the lookup could be cached at start up or it could just use make > use of the hostname rather than spending the effort to get the IP via > gethostbyname() calls. The function is used in a few other places too, > so this might help more than just the stats plugin.
Hello Kelsey, This one: http://www.dovecot.org/list/dovecot/2013-February/088286.html started for seemingly unrelated reasons, but ended with some form of cacheing of the results fetched with gethostbyname(). Which version of Dovecot are you running? Axel