Messages in this thread | | | Subject | Re: File System Performance | From | Steve Lord <> | Date | 12 Nov 2001 16:26:32 -0600 |
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On Mon, 2001-11-12 at 16:16, Andrew Morton wrote:
> > Actually, tar _is_ doing funnies with /dev/null. Changelog says: > > 1995-12-21 François Pinard <pinard@iro.umontreal.ca> > > * buffer.c: Rename a few err variables to status. > * extract.c: Rename a few check variables to status. > > Corrections to speed-up the sizeing pass in Amanda: > * tar.h: Declare dev_null_output. > * buffer.c (open_archive): Detect when archive is /dev/null. > (flush_write): Avoid writing to /dev/null. > * create.c (dump_file): Do not open file if archive is being > written to /dev/null, nor read file nor restore times. > Reported by Greg Maples and Tor Lillqvist. > > One wonders why.
For almost 6 years too - I suspect they optimized tar instead of fixing the way amanda works.
Steve
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