> On 2015-03-30, at 23:21 , Registration <registrat...@portabile.net> wrote: > > >> On 2014-10-29, at 17:45 , Registration <registrat...@portabile.net> wrote: >> >> >>> On 2015-03-29, at 14:10 , Arjen de Korte <arjen+ho...@de-korte.org> wrote: >>> >>> Citeren Registration <registrat...@portabile.net>: >>> >>>> Dear Imp users and developers, >>>> >>>> my problem is as follows: >>>> - Login to Horde takes 3 seconds. >>>> - Loading mails takes 7 seconds for a larger IMAP folder, and 1-2 seconds >>>> for one with only a few messages in it. >>>> - Top shows 97% CPU from php5-fpm, 3% from imap. >>> >>> That means that performance problems are probably in php. Do you use an php >>> opcode cache / accelerator? If so, which one? >> >> XCache 2.0.0 >> >>> >>>> - When messages are cached, everything gets super fast. >>>> - The loading times are probably proportional to the amount of message >>>> headers Imp loads for viewing. >>>> >>>> My questions are: >>>> - Is this normal speed? >>> >>> It depends. How large is a large IMAP folder? How many folders do you have? >> >> I think that Imp caches something a few dozen messages around the currently >> displayed ones. >> So the IMAP folder size is not important, just that there are more than a >> few: >> For example, an inbox with 10 messages is loaded in a second, a view of a >> folder with 900 messages >> takes 6-8 seconds, and also 6-8 seconds for a folder with 20000 messages. >> >>> >>>> - If not, how would I systematically search for the problem? >>>> - I tried xhprof, but I can't get the part where Imp refreshes messages >>>> captured. >>>> >>>> My config: >>>> - Debian Wheezy, Apache, php5-fpm, Dovecot, imapproxy >>> >>> Without version numbers, there is no way for us to tell what you're >>> actually using. >> >> Kernel 3.2.0-4-amd64, Apache 2.2.22, PHP 5.4.39-0+deb7u1, Zend 2.4.0, XCache >> 2.0.0, Dovecot 2.1.7 >> >>> >>>> - Auth using Imp using MySQL/PDO connection via sockets >>>> - Dovecot using Maildir, PAM disabled, mysql auth only >>>> - Horde caching enabled >>> >>> Which cache backend? >>> >>>> - everything on one host >>> >>> If everything is on the same host, imapproxy is redundant an may even hurt >>> performance if you have a modern IMAP server like Dovecot. >> >> Ok, disconnected and purged it, no visible difference. >> >>> >>>> - standard rented server >>> >>> I wonder what the specifications of a 'standard rented server' are. :-) >> >> AMD Opteron 6272, 2 GB RAM, 100 GB SSD - not high end, but not stone-age >> either, I think >> >>> >>>> - everything up-to-date >>> >>> What may be up-to-date on Debian Wheezy may still be seriously out-of-date. >> >> I know, but no testing builds for me anymore... > > I did a performance test using http://www.php-benchmark-script.com/bench.php, > which resulted in ~7 seconds for my server, same time as the test on the > benchmarks webpage. > > The only thing I could find which could be related to this is the > Horde-specific message: > FastCGI: server "/usr/lib/cgi-bin/php5-fcgi" stderr: PHP message: Cannot > write Autoloader cache to backend. > I tried setting proper path permissions, but no success, the error doesn't go > away. >
I managed to get the folder view loading time down to four seconds for a larger IMAP folder (>1k files) like "sent" or "archive". Could anyone tell me how long it takes to display a folder on their server? I don't have access to a second horde installation. -- imp mailing list Frequently Asked Questions: http://wiki.horde.org/FAQ To unsubscribe, mail: imp-unsubscr...@lists.horde.org