Comment 9 for bug 927515

Revision history for this message
Justin Warren (justin-eigenmagic) wrote : Re: thunderbird uses excessive cpu power

I only see this when working online. If I change to working offline, the CPU usage drops to idle. I f I re-enable working online, the CPU spikes again.

It appears to be related to loading/indexing mail from remote IMAP mailserver that contains a lot of mail on a new install that hasn't previously connected to the mailserver.