Thanks Scott for sharing your expertise with us. I wonder do we
document all these good information
some where ? It would be useful for user to know.
Judy
Scott Oaks wrote:
>Unless your application is severly constrained by memory and spends most
>of its time doing GC (which would be unusually for a glassfish
>application, and probably means you should look into the application
>code and see how it is working with memory), the 64-bit JVM will not buy
>you anything.
>
>In fact, released versions of the 64-bit JVM (remember that JDK 7 is not
>released) will run your application slower than current 32-bit JVMs. JDK
>7 and a future release of JDK 6 (most likely 6_12, but perhaps 6_13 or
>later) won't have that performance penalty, but also won't really give
>you a performance boost -- you could do fewer GCs with a larger heap,
>but the individual GCs will take longer, so that typically balances out.
>
>-Scott
>
>On Sat, 2008-09-13 at 08:51, Survivant wrote:
>
>
>>do we have a benchmark or a testcase for GF on a 64 bit JVM ? (I think the
>>jdk7 64 bit version of Windows is available.. )
>>
>>
>>I just wanted to know if it will make a difference on my system. (32 vs 64)
>>
>>
>>---------------------------------------------------------------------
>>To unsubscribe, e-mail: quality-unsubscribe_at_glassfish.dev.java.net
>>For additional commands, e-mail: quality-help_at_glassfish.dev.java.net
>>
>>
>>
>
>
>---------------------------------------------------------------------
>To unsubscribe, e-mail: quality-unsubscribe_at_glassfish.dev.java.net
>For additional commands, e-mail: quality-help_at_glassfish.dev.java.net
>
>
>