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Thread: Re: enormous DB Traffic using imapsync




Re: enormous DB Traffic using imapsync
user name
2007-12-25 12:29:41
On Donnerstag, 20. Dezember 2007 Aleksander Kamenik wrote:
> Could you measure how slow exactly?
>
> You've never mentioned exact numbers anybody could
compare. Like
> average size of messages, number of messages, time it
takes to sync.
> You could get a kbytes per second number from that.
>
> You could then compare this with to copying messages
from one imap
> account to another using TB etc.

I don't have this around, but I can tell:
*) it never finishes syncing the whole mailbox, which is
around 7.7GB of 
e-mails (imapsync says: Total size: 7.688.120.303, Total
messages: 
188.800)
*) this breaks latest after 2 days which some timeout or
whatever, I 
never saw a full run. 
*) On my client (AMD Athlox64x2 5400+), imapsync sometimes
runs at 100% 
cpu, during which it seems to sort out which mails to sync
or not.
*) Because of that, I split up the sync to 6 parallel
imapsync 
(using --include and --exclude statements to have each sync
different 
folders), but I can't test with that ATM as I'm now sitting
in the 
office and the internet connection is sucking here. I used
to 
workhome, with a 16m/2m flat CATV internet line, but even
there the 
sync was not really faster: I don't "feel" a
difference and as I said 
before one sync never finishes so I don't have comparable
numbers.

mfg zmi
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Re: enormous DB Traffic using imapsync
user name
2007-12-26 05:45:36
If you only not a one-time-copy, maybe try exporting to
mbox, and 
reinserting with dbmail-smtp?
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