Hi all, that makes a lot of sense. I just double checked with TB and yes, it is basically the same speed. Synchronizing the headers takes forever :)
I will have to start labelling emails much more aggressively, thanks for the tip! nick On Sat, Apr 06, 2013 at 11:31:53AM +0200, Jonny Oschätzky wrote: > Hi Nick, > > > The local read test really seems to indicate that it's not the database > > backend that is controlling performance when switching folders here. It is > > presumable network communication with Google's imap servers. And that > > presumably means that I can't do much about it, or can I? > > I can confirm this. > > If you have a big mailbox (my "All Mail" contains ~150,000 messages), > then the Google IMAP server is very slow. I've checked this with > Thunderbird and the result is mostly the same. TB opens the box very > fast and then it takes a long time to update the header cache. > > The IMAP protocol itself causes this, because it needs to synchronize > the folder. The bigger a folder is the longer this process takes. > > I solved this problem for me with offlineimap and archivemail. I don't > need the All Mail folder since I use labels for all my stuff and mailing > lists. So it results in different Maildirs on my PC which are > synchronized by offlineimap in the background. Older mail is archived by > archivemail in gzipped mboxes. That works great. :) > > Jonny >
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