On 28/09/2011 21:00, Kui Zhang wrote:
TB hangs on start up, for extent period of time. cpu at 100%, ram at 1 thunderbird people.
- 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
If you care to debug in more detail, you may learn a lot by watching the network traffic at this point? You can setup debugging on the server side, but personally I find this a touch hard to setup for one off sessions (and shared IPs/mailboxes, etc). Also consider wireshark and just tracing a single machine. The point being to see if it's locked up because it's thrashing the mail server for some reason, or if it's doing something silly client side?
Random untested ideas: the ping speed to the server (something like 100-200 round trips per sec
- I believe it pulls the folder list down at startup. With thousands of folders in your case (did I understand that?) you might find it's doing some silly select on each folder and hence spending ages being bound by
max I think you said?), or perhaps it's even worse than that if it causes some disk seek for each folder?
Quantity of headers could be large under certain circumstances - check if you are network bandwidth bound?
TB might be doing something silly locally and you are bound by disk seek time on your local machine as it does whatever it does to several thousand mbox files? Move the TB local folder to some slower/faster disk and observe if the startup speed gets proportionally slower/faster..? Eg I slapped in some large flash drive to my Mac and now I keep forgetting that others still have seek time limitations starting apps...
Good luck - interested to hear if you can trace this to something?
Ed W
P.S. I will try and post some tips in a new thread, but I found that TB and other clever clients can benefit enormously if you turn on the appropriate zlib stuff that means the COMPRESS extension is supported (not on by default). Outlook hasn't historically supported this, so I doubt it will help above, but it's one feature that can give TB the edge over Outlook.