Hi Mark,
Why not having a java thread that periodically connects to remote server
B, retrieves the pipe delimited (is it '|' ?) data and store it in
memory as a class variable, using a HashTable (or Vector, whatever..). ?
Then during "normal" servlet requests just print already existing data
to user.
It will be efficient to do it as fast as every second, or even faster..
Cezar.
On Wed, 7 Jul 1999, Mark Galbreath wrote:
> Question of speed of delivery.
>
> Scenario:
> I have a remote server A that calls remote server B through the firewall to retrieve
>a pipe-delimited string of real-time market quotes. At present the webserver makes a
>Perl CGI call to server A to get the data, formats it into an HTML table, and serves
>it up on the homepage (www.troweprice.com). So every HTTP GET request to the
>webserver spawns a separate process to fetch and process the quote data.
>
> New Design Options (forget CORBA for the moment):
> 1. Have a cron run the Perl script to write the quote data to a flatfile every 10
>seconds; have a Java servlet read that file every five seconds, holding the data in
>memory, and delivering the formatted HTML to the clients per request by spawning
>multiple threads.
>
> 2. Have a cron run a C version of the script to get the data every 10 seconds and
>renew an otherwise static HTML page that will be served by the webserver per every
>HTTP GET request.
>
> Which solution do you think would be the faster? Are there others I am neglecting?
>
> Thanks for the input (pun intended)!
>
> -mark
>
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