cyrus imap slow on Fedora 13&14
damijan at sencar.org
Thu Jan 20 01:34:05 EST 2011
On 12/21/2010 09:39 PM, Damijan Senc(ar wrote:
> I migrated cyrus imap server from an old fedora to Fedora 13
> Works well and fast in LDAP+Postfix+sasl environment from Thunderbird
> The problem is when user read big mail boxes (e.g. 1000+ mail in one
> folder) from webclient (Squirrelmail) installed on same or other server.
> The same squirrelmail installation (I only changed imap server address)
> worked well in combination with older cyrus installations.
> Now I tried to find out what is wrong and only thing I found is that
> during reading mail from imap server from web client top command shows
> on imap server 100%wa!
> I tried fresh installation on F13 with same outcome.
> An idea what could be the cause of that problems?
> Cyrus Home Page: http://www.cyrusimap.org/
> List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
More on solution at:
In short you have to turn the "S" attribute on imap folders off (e.g.
chattr -R -S /var/spool/imap )
I tested it and it solves performance problems.
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