Zitat von Jose Manuel Blanco <[email protected]>:
HiAfter I recently installed in my new server Horde 3.3.8 + IMP 4.3.7, users with a large inbox take around 4 to 5 minutes to login. I know this has been reported and I have read the PERFORMANCE document and all I could find on the web about increasing the cache (horde_cache, memcache, mysql memory, etc). The problem is that my configuration is almost identical to the one I had before (except the server is newer and I can set bigger cache values). Even more, with my old webmail, logins of users with more than 40000 mails in their inboxes were almost instantaneous (even the first time they login), so it looks to me as if it's not a cache issue. Could it be that my old server is only refreshing from the IMAP backend the 20 mails it shows in the first screen, while the new one is trying to download the whole 40000 headers? If so, I haven't been able to see what parameter could be changed to make my new webmail to behave like that, and that's the only logical explanation for my old webmail behaviour that I can think of.
There are some real performance killers like image preview and the like which where not available in older releases. Try disable them. There are also some new features which can stress the DB. Have a look if you are using old datatree for shares and the like. There also has been some change in detecting IMAP root. Maybe you are scanning too much at login.
Regards Andreas
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