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After the first CGI load everything is fine but if you wait 15 mins and go back and try to access the page again it takes nearly 60 secs to load the page. But if I go to the page and keep access different things the performance is really good.
I've been having the same problem since upgrading to V5R3. (I didn't have any problem with V5R2. I used Apache on both versions.)
It's definitely not the time it takes to open files or parse input, because I have the problem with even the most trivial of programs. Consider the following program:
midrange.com
H DFTACTGRP(*NO)
D QtmhWrStout PR extproc('QtmhWrStout')
D DtaVar 32766A options(*varsize) const
D DtaVarLen 10I 0 const
D ErrorCode 32766A options(*varsize)
D errornull s 8A inz(*allx'00')
D data s 100A varying
/free
data = 'content-type: text/html' + x'2525'
+ '<h1>test output</h1>' + x'25';
QtmhWrStout(data: %len(data): errornull);
return;
/end-free
As you can see, it doesn't really do anything that should require
expensive startup. If I run this program interactively, even if it needs
to start an activation group, it runs in a fraction of a second.
But, running the same thing through the HTTP server creates this 30 second lag. If I call it again immediately afterwards, the response is instant. If I wait an hour or so and run it again (even if nobody else uses this HTTP instance, so I know the program's still loaded) it'll be really slow again.
I tried doubling the RAM in my machine, but it didn't help.If however, I write a comparable program in C and run it on a FreeBSD PC with the exact same version of Apache, it runs fast. Even on a 486SX-25 with 8mb of RAM.
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