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Date:      Tue, 2 Oct 2012 12:59:21 +0200
From:      Joerg Sonnenberger <joerg@britannica.bec.de>
To:        freebsd-hackers@freebsd.org
Subject:   Re: SMP Version of tar
Message-ID:  <20121002105921.GA10034@britannica.bec.de>
In-Reply-To: <87549776-9051-4B4B-8D53-DAE6D51C2A94@kientzle.com>
References:  <5069C9FC.6020400@brandonfa.lk> <87549776-9051-4B4B-8D53-DAE6D51C2A94@kientzle.com>

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On Mon, Oct 01, 2012 at 10:16:53PM -0700, Tim Kientzle wrote:
>   * Implement within libarchive directly.  This would benefit tar and
>     a handful of other programs that use libarchive, but may not be
>     worth the complexity.

The complexity shouldn't actually be that bad. Basically, use a large
internal buffer in the compression filter and make the queueing for
distribution to threads an implementation detail. Alternatively, just
provide a compatible implementation of libz's event interface.

Joerg



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