Re: status of double-root handling (was Re: [Monotone-devel] silly idea: auto gunzip?)

[jack-monotone]

On Thu, Jan 26, 2006 at 03:58:31AM -0800, Nathaniel Smith wrote:
 
> The current plan for handling double-root trees is just to add the
> root renaming feature to mainline.  There is a branch for this --
> net.venge.monotone.root-dir-rename.  The basic functionality is
> implemented, but untested -- in theory you should be able to use this
> branch to rosterify a double-root tree, but I have not even tried
> compiling it yet, so no guarantees :-).  (And also, no guarantees that
> the resulting db will be supported going forward -- just use this for
> testing for now.)
 
I gave this a whirl on a OE db snapshot, which has multiple roots. It seems to
have done something sensible (diff -r of a 0.25 and rdr co returns only MT/
differences) 

More importantly, a fresh pull is almost 7 times faster with rosters. Good
work!

--Jack 

---
$ /bin/time monotone-0.25 --db=0.25-test-pull.db pull 127.0.0.1 \* 
monotone: setting default server to 127.0.0.1
monotone: setting default branch include pattern to '*'
monotone: setting default branch exclude pattern to ''
monotone: connecting to 127.0.0.1
monotone: first time connecting to server 127.0.0.1
monotone: I'll assume it's really them, but you might want to double-check
monotone: their key's fingerprint: 6d8885f8879bf9c1fa383a9c93e54aa299c52232
monotone: finding items to synchronize:
monotone: bytes in | bytes out | certs in | revs in | revs written
monotone:   36.9 M |     1.7 M |    16378 |    4201 |            1
monotone: verifying new revisions (this may take a while)
monotone: bytes in | bytes out | certs in | revs in | revs written
monotone:   38.2 M |     1.7 M |    16378 |    4201 |         4201
monotone: successful exchange with 127.0.0.1
28718.62user 353.52system 8:10:54elapsed 98%CPU (0avgtext+0avgdata 
0maxresident)k
0inputs+0outputs (917major+92769803minor)pagefaults 0swaps
---
$ /bin/time monotone-rdr --db=rdr-test-pull.db pull 127.0.0.1 \* 
monotone: setting default server to 127.0.0.1
monotone: setting default branch include pattern to '*'
monotone: setting default branch exclude pattern to ''
monotone: connecting to 127.0.0.1
monotone: first time connecting to server 127.0.0.1
monotone: I'll assume it's really them, but you might want to double-check
monotone: their key's fingerprint: 6d8885f8879bf9c1fa383a9c93e54aa299c52232
monotone: finding items to synchronize:
monotone: bytes in | bytes out | certs in | revs in
monotone:   36.5 k |       785 |        0 |       0
monotone: bytes in | bytes out |    certs in |   revs in
monotone:   36.3 M |       833 | 16264/16264 | 4201/4201
monotone: successful exchange with 127.0.0.1
4274.98user 92.84system 1:18:08elapsed 93%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (900major+16710262minor)pagefaults 0swaps
---


--
Jack (John) Cummings                           http://mudshark.org/
PGP fingerprint: 0774 D073 E386 B70B 6B16  2D2B 1DD8 F8B0 CCF0 FAEE
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