Psypher,

It's not my logs that say that metadata loading takes 45 minutes, it's
*your* logs from this same report, I took that info from the ones you
attached last 2010-03-16.

You can check how much time the metadata loading takes by looking for
this two messages in the log files:

2010-03-15 07:36:33,858 - ubuntuone.SyncDaemon.fsm - INFO - loading updated 
metadata
2010-03-15 08:21:47,186 - ubuntuone.SyncDaemon.fsm - INFO - initialized: 
idx_path: 195799, idx_node_id: 16100, shares: 1

The other activity that accesses the disk is the Local Rescan, which
checks the status of each synched file and then compares that info with
what was load in the metadata loading process. You can find that in the
log files by looking for:

2010-03-15 08:21:47,869 - ubuntuone.SyncDaemon.Main - NOTE - Local rescan 
starting...
...
2010-03-15 11:09:19,785 - ubuntuone.SyncDaemon.Main - NOTE - Local rescan 
finished!

(in your case 2.8 hours)

Your last attach (from yesterday) doesn't have the metadata loading part
in it, I need you to compress the whole directory at

~/.cache/ubuntuone/log/

and if possible, attach that (because the log file is rotated after a
given amount of bytes, and the metadata part happens right at the
beginning).

On the other hand, metadata files are located at

~/.local/share/ubuntuone/syncdaemon/fsm/ (note the last "fsm" directory)

so if you could paste count of that path, we can know how many metadata
files do you have. The command to do that, as usual, is:

find .local/share/ubuntuone/syncdaemon/fsm/ -type f | wc -l

Right now we're working on profiling the metadata loading and local rescan 
activities to see if we can speed them up somehow.
Thank you for your huge collaboration!

-- 
ubuntuone takes more than a day, if at all, to read the metadata and start 
uploading files to web
https://bugs.launchpad.net/bugs/539573
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