Re: [Dovecot] stats plugins causing dns lookup per connection

2013-03-13 Thread Kelsey Cummings
On 03/12/13 06:58, Axel Luttgens wrote: started for seemingly unrelated reasons, but ended with some form of cacheing of the results fetched with gethostbyname(). It is a bit odd that it would totally block unless DNS requests on your hosts weren't working at all - and even then, the requests

Re: [Dovecot] stats plugins causing dns lookup per connection

2013-03-12 Thread Axel Luttgens
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

[Dovecot] stats plugins causing dns lookup per connection

2013-03-11 Thread Kelsey Cummings
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