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<H1>Re: Unique id's</H1>
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<LI><em>To</em>: <<A HREF="mailto:mud-dev#null,net">mud-dev#null,net</A>></LI>
<LI><em>Subject</em>: Re: Unique id's</LI>
<LI><em>From</em>: "Jon A. Lambert" <<A HREF="mailto:jlsysinc#ix,netcom.com">jlsysinc#ix,netcom.com</A>></LI>
<LI><em>Date</em>: Sat, 12 Apr 1997 00:51:29 -0400</LI>
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<PRE>
> From: clawrenc#cup,hp.com
>
> In <199704100440.EAA378790#out1,ibm.net>, on 04/09/97
> at 07:00 AM, cg#ami-cg,GraySage.Edmonton.AB.CA (Chris Gray) said:
>
> >Some systems specifically avoid re-using ids, in order to better
> >catch dangling pointers.
>
> Yeah, but I figure that the date check for the ObjectID (time_T value
> comparison of requested vs received objects) should pretty well trap
> most of them.
>
Isn't it possible, especially in a multi-threaded system, to generate identical
IDs if you depend on date/time stamps? I'm currently generating IDs just like
Cold, except I'm using a big int and never fill in the holes.
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<ul><li>Thread context:
<BLOCKQUOTE><UL>
<LI><STRONG>Re: six degrees of submission ... er, compilation.</STRONG>, <EM>(continued)</EM>
<ul compact>
<LI><strong><A NAME="00072" HREF="msg00072.html">Re: six degrees of submission ... er, compilation.</A></strong>,
Jeff Kesselman <a href="mailto:jeffk#tenetwork,com">jeffk#tenetwork,com</a>, Thu 10 Apr 1997, 14:20 GMT
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<LI><strong><A NAME="00066" HREF="msg00066.html">Dupes are my fault (again)</A></strong>,
coder <a href="mailto:coder#ibm,net">coder#ibm,net</a>, Thu 10 Apr 1997, 12:08 GMT
<LI><strong><A NAME="00061" HREF="msg00061.html">Unique id's</A></strong>,
Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Wed 09 Apr 1997, 21:46 GMT
<UL>
<li><Possible follow-up(s)><br>
<LI><strong><A NAME="00094" HREF="msg00094.html">Re: Unique id's</A></strong>,
clawrenc <a href="mailto:clawrenc#cup,hp.com">clawrenc#cup,hp.com</a>, Sat 12 Apr 1997, 06:03 GMT
</LI>
<LI><strong><A NAME="00101" HREF="msg00101.html">Re: Unique id's</A></strong>,
Jon A. Lambert <a href="mailto:jlsysinc#ix,netcom.com">jlsysinc#ix,netcom.com</a>, Sat 12 Apr 1997, 11:49 GMT
</LI>
<LI><strong><A NAME="00103" HREF="msg00103.html">Re: Unique id's</A></strong>,
coder <a href="mailto:coder#ibm,net">coder#ibm,net</a>, Sat 12 Apr 1997, 13:55 GMT
</LI>
<LI><strong><A NAME="00106" HREF="msg00106.html">Re: Unique id's</A></strong>,
Jon A. Lambert <a href="mailto:jlsysinc#ix,netcom.com">jlsysinc#ix,netcom.com</a>, Sat 12 Apr 1997, 23:53 GMT
</LI>
<LI><strong><A NAME="00119" HREF="msg00119.html">Re: Unique id's</A></strong>,
coder <a href="mailto:coder#ibm,net">coder#ibm,net</a>, Mon 14 Apr 1997, 00:01 GMT
</LI>
<LI><strong><A NAME="00122" HREF="msg00122.html">Re: Unique id's</A></strong>,
Jeff Kesselman <a href="mailto:jeffk#tenetwork,com">jeffk#tenetwork,com</a>, Mon 14 Apr 1997, 02:40 GMT
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