Remove buffer. This port no longer fetches, and team is better.

This commit is contained in:
Mark Murray 1998-03-14 21:01:26 +00:00
parent 7e45caa48a
commit 326a46e24e
Notes: svn2git 2021-03-31 03:12:20 +00:00
svn path=/head/; revision=10141
5 changed files with 0 additions and 49 deletions

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# New ports collection makefile for: buffer
# Version required: 1.17
# Date created: 17 Nov 1995
# Whom: markm
#
# $Id: Makefile,v 1.5 1996/11/11 05:49:15 obrien Exp $
#
DISTNAME= buffer-1.17
CATEGORIES= misc
MASTER_SITES= ftp://ftp.sun.ac.za/pub/unix/misc/
MAINTAINER= markm@FreeBSD.ORG
NO_WRKSUBDIR= yes
MANL= buffer.l
.include <bsd.port.mk>

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MD5 (buffer-1.17.tar.gz) = 6c5236ed99f4df0832623f4c0498c681

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buffer sporadic binary I/O for faster tape use

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This is a program designed to speed up writing tapes on remote tape
drives. Requirements are shared memory and locks which normally
means that these are supported in your kernel.
[for FreeBSD, this means you MUST have a kernel with
options SYSVSHM
compiled in - markm]
Buffer has been tested under SunOS 4.0.*, SunOS 4.1.*, Solarix, HP-UX 7.0,
and Gould UTX 2.1A (sv universe).
The program splits itself into two processes. The first process reads
(and reblocks) from stdin into a shared memory buffer. The second
writes from the shared memory buffer to stdout. Doing it this way
means that the writing side effectly sits in a tight write loop and
doesn't have to wait for input. Similarly for the input side. It is
this waiting that slows down other reblocking processes, like dd.
I run an archive and need to write large chunks out to tape regularly
with an ethernet in the way. Using 'buffer' in a command like:
tar cvf - stuff | rsh somebox "buffer > /dev/rst8"
is a factor of 5 faster than the best alternative, gnu tar with its
remote tape option:
tar cvf somebox:/dev/rst8 stuff

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bin/buffer
man/manl/buffer.l.gz