[CentOS] Upgrade 4.7 > 5.3 poorer 'performance'
Patrick Kirsch
pkirsch at bookandsmile.de
Mon Jul 20 07:30:55 UTC 2009
Matty wrote:
> On Thu, Jul 2, 2009 at 4:57 AM, Tom Brown<tom at ng23.net> wrote:
>
>> Hi
>>
>> During a test upgrade of a number of hosts in a pool i have found that
>> exactly the same JVM based app runs more efficiently on the 4.7 systems
>> than it does on the 5.3 on identical hardware.
>>
>> Specifically the apps seems to exhibit about 10% more 'load' on the
>> CPU's for the same workload - before i start digging deep has anyone
>> seen anything similar ?
>>
>
> Which JDK version, and how are you measuring load?
>
Please also give, the options how the JVM is started (I'm thinking of
changed standard behavior).
> - Ryan
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Regards,
Patrick
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Software Developer
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