Some folks where I used to work did "Hello World" web comparisons between mod_perl and WebSphere/JSP on Solaris/SPARC and the results were pretty close to even. But I am fairly sure WebSphere uses the IBM JVM.

The interesting part, is that WebSphere runs much, much faster on Linux. Sorry no numbers and, AFAIK, the mod_perl comparison was not repeated. But I am somewhat curious how much of the problem is Solaris itself, load times and version problems notwithstanding.

The other "revelation" was that the single biggest time waster was the Unicode-to-ANSI character encoding conversion when sending every page over the wire. A replacement of one small class in the JSP compiler fixed that problem saving, IIRC, ~10-15% of CPU. A nice hack by the guy who did it. But a definite advantage for Perl when using single-byte encodings.

take it easy,
Charlie

At 06:47 AM 2/10/2003 -0500, Wizard wrote:
This is an argument I've been having for years with the 'Powers That Be'. I finally feel vindicated:
http://www.internalmemos.com/memos/memodetails.php?memo_id=1321

Unfortunately, they don't seem to make the comparison between Java and mod_perl.
Grant M.
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