Cyrus tweaks (slow on roundcube)

[Paul Bronson]

Anyone have any ideas on this?

On Sat, Sep 5, 2015 at 10:22 PM, Paul Bronson <signaldeveloper at gmail.com>
wrote:

> Okay guys, I have put a lot of research into this so bear with me.
>
> Here's what I am up against. I have been working with RC (roundcube) for a
> long time and I know some awesome mySQL tweaks that work wonders, etc. My
> tweaks haven't done a single thing for the kolab install. This the first
> time I've worked with memcache. So here's my config before I proceed:
>
>     // IMAP Server Settings
>     $config['default_host'] = 'localhost';
>     $config['default_port'] = 143;
>     $config['imap_delimiter'] = '/';
>     $config['imap_force_lsub'] = true;
>
>     // Caching and storage settings
>     $config['imap_cache'] = 'memcache';
>     $config['imap_cache_ttl'] = '10d';
>     $config['messages_cache'] = 'db';
>     $config['message_cache_ttl'] = '10d';
>     $config['session_storage'] = 'db';
>
>     // SMTP Server Settings
>     $config['smtp_server'] = 'tls://localhost';
>     $config['smtp_port'] = 587;
>     $config['smtp_user'] = '%u';
>     $config['smtp_pass'] = '%p';
>     $config['smtp_helo_host'] = $_SERVER["HTTP_HOST"];
>
>
> I did notice that when I turn off tls on:
>
> $config['smtp_server'] = 'tls://localhost';
>
> that I can't log into RC, it seems to want to force me to use TLS, which I
> read somewhere else. Not sure if this is the culprit here.
>
> CHATTRSYNC is off on cyrus already (by default I guess?)
>
> I've installed imapproxy which seems to be working as far as the logs are
> concerned, but I STILL get about 3-4-5 second delay when opening through
> email. I have since uninstalled the imapproxy... Memcache is working
> properly according to the simply ps aux command or memcache-tool command
> but it still seems slow on RC, doesn't seem to have made a difference. I
> get these constant logs:
>
> Sep  5 20:54:51 es1 imap[2281]: login: localhost [::1] johndoe at domain.com PLAIN+TLS
> User logged in
> SESSIONID=<es1.domain.com-2281-1441500890-1-15740725055571902363>
> Sep  5 20:54:51 es1 imap[2281]: USAGE johndoe at domain.com user: 0.009998
> sys: 0.006999
>
> It logs everytime the user makes a click or opens an email. Again,
> imapproxy didn't work much.. I tried disabling TLS, tried changing the
> cache methods.. Have been doing research pretty much all day trying to
> tweak this. Some have said comment out the kolab files plugin, that didn't
> make any difference at all. Cyrus just seems to take forever for some
> reason.. I am talking 4-5 seconds waiting before the email even shows on
> the screen.
>
> memcache conf:
>
> PORT="11211"
> USER="memcached"
> MAXCONN="1024"
> CACHESIZE="1024"
> OPTIONS="-l 127.0.0.1"
> OPTIONS="-vv >> /var/log/memcached 2>&1"
>
> I tried increasing cache size, didn't help (not that I thought it would
> either)... I am getting a little desperate here.
>
> I changed php.ini to memory_limit = 4096M... Already kicked up my innodb
> performance settings tuned like my fast non-kolab servers.. I don't think
> its a mysql problem either.. The problem is with the
>
> Any ideas as to why this is so slow compared to my non-kolab RC install I
> have going right now (dovecot based)?
>
> By the way, this server has two active email accounts on it.. No load what
> so ever.
>
> Kolab 3.4, centos 6
>
> I am not sure what else to try to make cyrus faster!!! Can someone suggest
> something?
>
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