Application became sluggish when deployed on 5.4
Application became sluggish when deployed on 5.4
- Subject: Application became sluggish when deployed on 5.4
- From: "Gennady Kushnir" <email@hidden>
- Date: Sun, 11 May 2008 16:21:23 +0400
Hello list
I have an application which should display information from lots of
enterprise objects (maybe several hundreds) on single page.
When in development mode and when deployed on Tiger Server (WO 5.3.x)
(on XServe dual G4) it worked fine with only reasonable lag of about 1
second.
But when we upgraded to Leopard (and WO 5.4) my application became
inadequately slow and now it takes about 7 seconds to load the same
page on the same XServe. What is interesting - when run in development
mode on Leopard (WO 5.4) everything works fine.
So it is not a problem of generally 5.4 but specifically 5.4 Server.
When deployed on experimental Mac OS X Server on my MacBook it also
produced unreasonable lag about 3 seconds (of course Core 2 Duo is
faster than G4).
I tried to diagnose a problem and found that it does not produce bulk
of unnecessary SQL requests (monitored by MySQL log) and no load to
HDD (as shown by Activity Monitor). But it produces heavy CPU load -
so it is all related to some not optimal processes in memory.
Any suggestions? Where should I concentrate with debugging? EOF of wo.appserver?
Gennady Kushnir
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