Hey All.

IBM Java 6 has a few years left in it yet. 1.5 support was *extended* by a 
year to around sept 2013, from memory.

For WAS, you normally cann't change the underlying JDK. Although, I do 
believe this is an option now for WAS 8.5.

I've found that readlink is availble as a part of the coreutils package on 
AIX. It's installed into /usr/freeware/bin, which is not noramlly in the 
path, nor is it symlinked into /usr/...

So, adding /usr/freeware/bin into the path for the wasadmin user, we can 
see the following details:

Jenkins 1.510:
<<without readlink>>
[10:36:46.966] GET http://10.225.0.69/jenkins/ [HTTP/1.1 200 OK 98563ms]
[10:39:50.486] GET http://10.225.0.69/jenkins/ [HTTP/1.1 200 OK 96515ms]

<<with readlink>>
[10:58:11.697] GET http://10.225.0.69/jenkins/ [HTTP/1.1 200 OK 43375ms]
[10:59:11.871] GET http://10.225.0.69/jenkins/ [HTTP/1.1 200 OK 37594ms]
[11:00:20.580] GET http://10.225.0.69/jenkins/ [HTTP/1.1 200 OK 40219ms]


jenkins 1.500
<<with readlink>>
[11:30:52.488] GET http://10.225.0.69/jenkins/ [HTTP/1.1 200 OK 7953ms]
[11:32:05.379] GET http://10.225.0.69/jenkins/ [HTTP/1.1 200 OK 4609ms]


So, somewhere between 1.500 and 1.510 there was an introduction of some 
massive overhead.

-Chris

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