I see that Server::handle_client_session is calling mdlog->flush(), so 
it's a bit odd.  Can you generate a log with 'debug ms = 1' on the client 
(and maybe mds) side?  

s

On Thu, 30 Aug 2012, Noah Watkins wrote:

> On Thu, Aug 30, 2012 at 1:06 PM, Gregory Farnum <[email protected]> wrote:
> > On Thu, Aug 30, 2012 at 12:55 PM, Noah Watkins <[email protected]> wrote:
> >> Using a tick interval of 1 drops the cost down to 3 seconds, but still
> >> a long time for running many unit tests that use fresh mounts.
> >
> > Are you using ceph-fuse or the kernel client? And how many of each daemon 
> > type?
> 
> I'm using the C api, and there are 3 mon, 3 mds, 1 osd.
> 
> > That said; I'm seeing broadly similar numbers ? with one of each
> > daemon (but otherwise the vstart defaults) "time sudo ceph-fuse mnt"
> > reports 3.1 seconds.
> 
> 
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