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Date:      Fri, 29 Sep 1995 17:08:59 -0700
From:      "Jordan K. Hubbard" <jkh@time.cdrom.com>
To:        Bakul Shah <bakul@netcom.com>
Cc:        hackers@freefall.freebsd.org
Subject:   Re: A moment in the life of ftp.cdrom.com 
Message-ID:  <9487.812419739@time.cdrom.com>
In-Reply-To: Your message of "Fri, 29 Sep 1995 12:54:26 PDT." <199509291954.MAA05143@netcom22.netcom.com> 

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> It'd be interesting to know where majority of that 98M is
> going.  Memory leak? profligate memory use? or just a huge
> amount of data?  It is probably spending half its time
> paging.  318:39 for syslogd?  Hmm...

Profligate memory use.  The mirror scripts use Perl's associative
arrays to suck in entire file trees from both systems and laboriously
compare them.  While perl's assoc arrays are no doubt quite powerful,
their internal implementation is not very compact.

The mirror stuff desperately needs to be re-written in carefully coded
C.  The first person to do so will undoubtedly be canonized by ftp
adminstrators everywhere! :-)

					Jordan



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