On Apr 11, 2007, at 8:16 PM, Heikki Toivonen wrote:
We switched functional and performance tests to use Chandler Hub
Sharing
(morse code) today. When do we plan on making this the default in the
accounts dialog?
When the bugs and Cosmo-interop issues are worked out and when
osaf.us is running Cosmo 0.6.1.
It seems Chandler Hub Sharing is about twice as slow as the old
sharing
code. Looking more closely, Chandler spends a lot of time in the
sharing
progress dialog where the status reads "Checking for local changes"
- it
seems like almost all of the additional time is spent at this point.
This is the slow code:
for change in rv.mapHistory(version):
changedUuid = change[0]
if changedUuid in self.share.contents:
locallyChangedUuids.add(changedUuid)
Quite similar code *is* run in the old style syncing; it's in
utility.py:localChanges( ). It's simply asking the repository for
what items have changed since an earlier version.
How come we do this with Chandler Hub Sharing, but not with the old
sharing code?
See above.
Why is this code slow, and can it be made faster?
I've only just started profiling this, and I'm still mostly focused
on Cosmo interop issues. Yesterday I started a wiki page for
tracking this:
http://wiki.osafoundation.org/Projects/SharingPerformance
...linked to from the Sharing project page:
http://wiki.osafoundation.org/Projects/SharingProject
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