Rsync mirroring interacting with compression
michael at james.st
Thu Nov 28 10:16:50 EST 2002
Soon I'll be maintaining a mirror of a large collection of datasets.
They are big and change slowly over time.
They come as a gz compressed ascii file.
I know I could just script downloading (FTP) and unpacking them.
Or maybe the server allows an rsync download.
So I maintain a mirror of the source directory and rsync it each night.
Then script the unpacking from there.
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?
Is there a more rsync-friendly compression available?
Thanks for any insights,
Michael James michael at james.st
Network Programmer voice: 02 6246 5040
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