Rsync mirroring interacting with compression

Peter Barker pbarker at barker.dropbear.id.au
Thu Nov 28 11:34:30 EST 2002


On Thu, 28 Nov 2002, Michael James wrote:

> But how does a gz file react to changes in the source.
> Is it likely to change large sections of the compressed file
>  for a small addition to the source, like a hash?

Patches have gone into gzip over the last couple of years to (I think)
reset the string tables at regular intervals. This means that the effects
of a change in one part of the source file will peter out.

http://www.google.com/search?q=rusty%20gzip%20patch&sourceid=mozilla-search&start=0&start=0&ie=utf-8&oe=utf-8

> Is there a more rsync-friendly compression available?

gzip's fine.

> michaelj

Yours,
-- 
Peter Barker                          |   N    _--_|\ /---- Barham, Vic 
Programmer,Sysadmin,Geek              | W + E /     /\                
pbarker at barker.dropbear.id.au         |   S   \_,--?_*<-- Canberra      
You need a bigger hammer.             |             v    [35S, 149E]   
"Yes, it takes a great deal of flexibility to blow a goat" -- Anon.




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