Bug 58888 - RFE: add --rsyncable
RFE: add --rsyncable
Status: CLOSED CURRENTRELEASE
Product: Red Hat Raw Hide
Classification: Retired
Component: gzip (Show other bugs)
1.0
i386 Linux
medium Severity medium
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Assigned To: Trond Eivind Glomsrxd
Ben Levenson
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Depends On:
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  Show dependency treegraph
 
Reported: 2002-01-26 14:46 EST by Jeff Johnson
Modified: 2007-04-18 12:39 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2002-01-28 16:08:53 EST
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Attachments (Terms of Use)
--rsyncable patch (10.05 KB, patch)
2002-01-26 14:47 EST, Jeff Johnson
no flags Details | Diff

  None (edit)
Description Jeff Johnson 2002-01-26 14:46:36 EST
Here's a patch from Rusty Russell through alikins to add --rsyncable
to the gzip command line that shouldn't break anything else.

FWIW, the equivalent patch for zlib is gonna be internalized
in rpm for payload compression. You've been warned :-)
Comment 1 Jeff Johnson 2002-01-26 14:47:28 EST
Created attachment 43620 [details]
--rsyncable patch
Comment 2 Trond Eivind Glomsrxd 2002-01-28 16:00:16 EST
What does this patch do - what is "--rsyncable" ?
Comment 3 Jeff Johnson 2002-01-28 16:08:48 EST
If (and only if) --rsyncable is specified, then the compression
algorithm changes to preserve rsync's block boundaries on
compressed data. This leads to ~1% degradation in the
size of the compressed text, but can lead to dramatic improvements
when the compressed text is rsync'd.

Try a google search on "gzip.rsync.patch2" for details, there's
a talk given at a linux conference in Oz by Rusty Russell, more.
Comment 4 Trond Eivind Glomsrxd 2002-06-21 11:20:02 EDT
It was added in 1.3.2-3. It's just been removed, but that's a separate issue :).

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