[darcs-devel] performance measurements of "darcs get", "hg clone", and "rsync -r"

zooko zooko at zooko.com
Sat Jan 26 06:02:28 UTC 2008


On Jan 25, 2008, at 5:13 PM, zooko wrote:

> Hm.  This file is 390 KB.  I'll just give you the head -20 and  
> attach the compressed version.  There is no occurrence of the  
> string "sftp" in it.

That last sentence is wrong.

> ssh -O an_invalid_command ; # Null Null Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/prefs/motd darcs378c77 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/format darcse2816e ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/.git/darcs-format darcs797999 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventory darcs5ecf92 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/hashed_inventory darcs44aef8 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/.git/HEAD darcs79ac31 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/format darcs3bacf2 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/.git/darcs-format darcs84f1c8 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/prefs/sources darcs5f9ca5 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventory darcs    af ; # AsIs AsIs Null
> Getting the inventory...
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventories/ 
> 20080108184749-92b7f-5df11c2d78599efdd56baece7488fa6a749d65c7.gz  
> darcs9d3c45 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventories/ 
> 20071016041556-92b7f-95c1d3dcb8a417ed1d884cbcb5b81a38173c15ed.gz  
> darcsd49fc3 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventories/ 
> 20070924214358-92b7f-0d177d6726975bc04dc0066d830ae4eae5919094.gz  
> darcs1ef2a4 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventories/ 
> 20070823210315-92b7f-888fbf1b1867ccda8218ad9f955b835cbd474164.gz  
> darcsd68c51 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventories/ 
> 20070630000254-92b7f-4b19b2708a8832f8ec8eea6968c2ef99315355e4.gz  
> darcsc5b11a ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventories/ 
> 20070611162221-92b7f-2c56a212abacccdc16da52833225fdafe51d8b64.gz  
> darcsc78136 ; # AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventories/20070504024220-4233b- 
> f5dfde96dca1eb23bfb22cfe2dd412c8456b826b.gz darcsfce705 ; # AsIs  
> AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventories/20070426182525- 
> eb44e-97f3b8656eb88d899e2eced99ce2ce018451e600.gz darcs570878 ; #  
> AsIs AsIs Null
> scp -q wonwinmcbrootles at 192.168.1.100:playground/allmydata/tahoe/ 
> trunk/_darcs/inventories/ 
> 20070425235105-92b7f-52f87be1b8b1bca805373129e02bf9c4c42e89b9.gz  
> darcs33bb7a ; # AsIs AsIs Null
> Copying patches...
> sftp wonwinmcbrootles at 192.168.1.100 ; # File "darcs58163c" File  
> "darcsd124bd" Null
> Patches copied
> Repo lazily read
> Repo local: "False"
> Applying patch 1 of 1979: Sat Oct 21 21:10:04 Mountain Daylight  
> Time 2006  warner at lothar.com
>   * tool to generate an overhead/alacrity table for various hashing  
> schemes
> Applying patch 2 of 1979: Sat Oct 21 21:39:12 Mountain Daylight  
> Time 2006  warner at lothar.com
>   * emit tables up to 1TiB


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