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<H1>Re: Of disk swapping, database structure & project management..</H1>
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<LI><em>To</em>: Multiple Recipients of MUD Design Mailing List <<A HREF="mailto:mud-dev#null,net">mud-dev#null,net</A>></LI>
<LI><em>Subject</em>: Re: Of disk swapping, database structure & project management..</LI>
<LI><em>From</em>: Jeff Kesselman <<A HREF="mailto:jeffk#tenetwork,com">jeffk#tenetwork,com</A>></LI>
<LI><em>Date</em>: Fri, 11 Apr 1997 21:08:20 -0700</LI>
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<PRE>
At 09:03 PM 5/1/97 +0100, you wrote:
>Has anyone experimented with swapping unused parts of the mud database to
>disk, reading it back in when needed? What sort of format is it stored in
>(eg binary, ASCII, etc)?
Cold does this automaticly. it has a fixed memory footprint.
It writes out into a binary database (ndbm). It also has a "text dump"
command that writes it all out in an ASCII form to transfer between systems
or edit.
JK
>
>Also, what were your considerations when designing the structure of the
>db (both memory and disk images) - ie i have a hex tree (like binary
>tree, but with 16 child nodes instead of 2), but im not sure how
>efficient it is.. a number of calculations have to be made to progress
>down each 'level' of the tree, I was wondering what other ppl had done?
Cold is absed on the database, its really the center of the system.
"object ids" are really database record numbers.
>
>Now my project report has been handed in (phew) I can now accept
>contributions from others. At the present time, there are about three or
>four interested parties. Has anyone had any particularly good/bad
>experiences related to project management in the area of mud development?
>
>The more I travel up the learning curve, the steeper it seems to get..
>ah, but I'll get there in the end (wont i??)
>
>Greg.
>
>---------------------------------------------------------------------------
---
> T H E F R O N T I E R S P R O J E C T
> <A HREF="http://www.uni-corn.demon.co.uk">http://www.uni-corn.demon.co.uk</A> <A HREF="telnet://linux2.cms.shu.ac.uk:9999">telnet://linux2.cms.shu.ac.uk:9999</A>
> A student who changes the course of history is probably taking an exam
>
>
</PRE>
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<ul><li>Thread context:
<BLOCKQUOTE><UL>
<LI><STRONG>Fw: Just a bit of musing</STRONG>, <EM>(continued)</EM>
<ul compact>
<LI><strong><A NAME="00114" HREF="msg00114.html">Fw: Just a bit of musing</A></strong>,
Travis Casey <a href="mailto:casey#NU,cs.fsu.edu">casey#NU,cs.fsu.edu</a>, Sun 13 Apr 1997, 09:33 GMT
</LI>
<LI><strong><A NAME="00130" HREF="msg00130.html">Re: Just a bit of musing</A></strong>,
clawrenc <a href="mailto:clawrenc#cup,hp.com">clawrenc#cup,hp.com</a>, Mon 14 Apr 1997, 23:13 GMT
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<LI><strong><A NAME="00097" HREF="msg00097.html">Using system time for ObjectIDs</A></strong>,
clawrenc <a href="mailto:clawrenc#cup,hp.com">clawrenc#cup,hp.com</a>, Sat 12 Apr 1997, 08:41 GMT
<LI><strong><A NAME="00086" HREF="msg00086.html">Of disk swapping, database structure & project management..</A></strong>,
Greg Munt <a href="mailto:greg#uni-corn,demon.co.uk">greg#uni-corn,demon.co.uk</a>, Sat 12 Apr 1997, 03:40 GMT
<UL>
<li><Possible follow-up(s)><br>
<LI><strong><A NAME="00100" HREF="msg00100.html">Re: Of disk swapping, database structure & project management..</A></strong>,
Jeff Kesselman <a href="mailto:jeffk#tenetwork,com">jeffk#tenetwork,com</a>, Sat 12 Apr 1997, 11:04 GMT
</LI>
<LI><strong><A NAME="00102" HREF="msg00102.html">Re: Of disk swapping, database structure & project management..</A></strong>,
Jon A. Lambert <a href="mailto:jlsysinc#ix,netcom.com">jlsysinc#ix,netcom.com</a>, Sat 12 Apr 1997, 12:57 GMT
</LI>
<LI><strong><A NAME="00107" HREF="msg00107.html">Re: Of disk swapping, database structure & project management..</A></strong>,
Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Sun 13 Apr 1997, 00:16 GMT
</LI>
<LI><strong><A NAME="00117" HREF="msg00117.html">Re: Of disk swapping, database structure & project management..</A></strong>,
coder <a href="mailto:coder#ibm,net">coder#ibm,net</a>, Sun 13 Apr 1997, 23:55 GMT
</LI>
<LI><strong><A NAME="00121" HREF="msg00121.html">Re: Of disk swapping, database structure & project management..</A></strong>,
Jeff Kesselman <a href="mailto:jeffk#tenetwork,com">jeffk#tenetwork,com</a>, Mon 14 Apr 1997, 02:45 GMT
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