Re: Deltifying directories on the server

2011-02-01 Thread Hyrum K Wright
On Tue, Feb 1, 2011 at 10:54 AM, Greg Hudson wrote: > On Tue, 2011-02-01 at 10:29 -0500, C. Michael Pilato wrote: >> I can only really speak for the BDB side of things, but... "what he said". > > I'll elaborate a little bit.  API issues aside, we're used to putting > artifacts from different versi

Re: Deltifying directories on the server

2011-02-01 Thread Greg Hudson
On Tue, 2011-02-01 at 10:29 -0500, C. Michael Pilato wrote: > I can only really speak for the BDB side of things, but... "what he said". I'll elaborate a little bit. API issues aside, we're used to putting artifacts from different versions in different places. More so in FSFS, where it was baked

Re: Deltifying directories on the server

2011-02-01 Thread C. Michael Pilato
On 02/01/2011 04:43 AM, Branko Čibej wrote: > You do know that "diff" and "delta" are two different beasts, and that > the diff optimizations have no effect on deltas? :) > > The problem with directory deltification lies in the length of the delta > chain and the frequency of directory lookup comp

Re: Deltifying directories on the server

2011-02-01 Thread Branko Čibej
You do know that "diff" and "delta" are two different beasts, and that the diff optimizations have no effect on deltas? :) The problem with directory deltification lies in the length of the delta chain and the frequency of directory lookup compared to file access. The sad fact is that our director