W3C home > Mailing lists > Public > www-talk@w3.org > July to August 1995

Re: Session-Id

From: John Franks <john@math.nwu.edu>
Date: Fri, 21 Jul 1995 21:06:16 -0500
Message-Id: <199507220206.VAA04448@hopf.math.nwu.edu>
To: pitkow@cc.gatech.edu, www-talk@w3.org
In article <199507212304.TAA23595@hapeville.cc.gatech.edu> James Pitkow writes:
>Further more, the generation of unique ids on the server side means
>that some shared memory is used, which means locking, which means
>blocking.  This can only serve to decrease the throughput of servers
>(what's the point of issuing unique ids if you turn away half of the users
>away?).  Additional resources (computational and memory) are consumed 
>by the management of ids and their recycling.

No, for a preforked server each preforked process uses its id plus a counter
which it increments for each request.  For a threaded or forking server there
is only one counter which is incremented before forking.

>If a client generates an id, the server simply logs this to file

which means locking, which means blocking...  ;)


John Franks 	Dept of Math. Northwestern University
Received on Friday, 21 July 1995 22:06:13 UTC

This archive was generated by hypermail 2.3.1 : Tuesday, 6 January 2015 21:32:57 UTC