Here's a tiny performance tweak that I stumbled across that I don't believe I've seen in any of the other online docs. (Stas, maybe you can suck this into the guide if you think it's something new...) In doing some tweaking on one of our modperl servers earlier this week, I noticed via 'truss' that a bunch of 'stat's were being done for non-existent files. The fact that they are non-existent is cool, because it's a site that has no document root, its sole purpose is to dynamically generate and cache date bar images in a bunch of different styles (http://date.boston.com/, BTW.) But I didn't like the thought that these stat calls were happening for each request. So, my solution was to add the following to the VirtualHost section for that host: <VirtualHost 199.95.74.82:80> . . PerlTransHandler "sub { return OK; }" . . </VirtualHost> This has the effect of short circuiting the normal TransHandler processing of trying to find a filesystem component that matches the given URI -- no more 'stat's! For this vhost, I was able to apply this globally, but I can imagine cases where others have portions of a document tree that are static along with portions that are dynamic, and needing to supply a bit more sophisticated TransHandler routine to only return OK if the requested URI matches the dynamic portions of the document tree. If anyone has a better way of handling this, or a pointer to somewhere in the book or online where this is discussed, I'll be happy to hear of it. <Steve> -=-=-=-=-=-=-=-=-=- My God! What have I done? =-=-=-=-=-=-=-=-=-= Steve Reppucci 617/929-7003 Director of Software Development [EMAIL PROTECTED] Boston.com (Times Company Digital) Be Open
