On Tue, Sep 27, 2011 at 10:42 PM, Stan Hoeppner <[email protected]> wrote: > On 9/27/2011 4:50 PM, Kui Zhang wrote: >>> >>> I think if you disable the new local indexing features in TB then it >>> should start running fairly decently? >> >> I had indexing disabled... that did not help much. >> >> TB work better after I have these settings... >> >> mail.imap.expunge_after_delete true >> mail.imap.expunge_option 2 >> mail.server.default.autosync_offline_stores false >> mail.server.default.offline_download false >> mail.server.default.autosync_max_age_days 14 >> >> I think mail.imap.expunge_after_delete might have caused mdbox limit >> problem I had before... but not confirmed. > > What, exactly, was the nature of the performance problem you originally > mentioned to start this thread, the mailbox with the thousands of sub > folders?
This thread might be getting little off topic. It was for inotify loop on server side during idle (outlook 2k7), with approximate 2.1k folders. > > With GLODA and local synchronization disabled, using 1 IMAP connection > instead of the default 5, disabling IDLE and using check interval seconds, > and using the default: I have not notice looping on idle when client using Thunderbird. So it might be outlook specific. > > mail.server.default.check_all_folders_for_new FALSE > Not feasible. Few folders need to be checked periodically... > then you should have excellent performance with TB regardless of the number > of folders in a mailbox. Unless maybe the hardware or net pipe are lacking. > Ya, but TB would be doing less work. > What are the specs of the client machine in question? What CPU/freq. Maybe > more importantly, what is the link speed of the network between this PC and > the Dovecot server? LAN or WAN? avg ttl = 0.5ms Sustain 10-12MB/s, concurrent connections, from 5+ workstations. No load issues recorded on the server side. The clients have 8GB of ram, athlon II X4 640 quad core. they should have enough juice... On an athlon 3200, 2G Ram, I did some tests on an account, with 3GB on disk, approximate 100k emails, and 30 folders. on the client side, when no mail client running. 450-500MB ram used. CPU at 1-2% TB hangs on start up, for extent period of time. cpu at 100%, ram at 1 - 1.2 GB used. CPU usage almost always at 100%. And it hangs from time to time. The client side disk usage for TB is around 200MB… why would it need 500MB of ram? This is something I will bring up with the thunderbird people. With claws-mail, cpu goes up depending on amount of email in the folder. And cpu usage drop almost immediately after folder switch. around 480 – 520 MB ram used. So the client box is not too slow. KuiZ > > -- > Stan > >
