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Asked: 2026-05-26T17:34:38+00:00

I’m setting up production server Windows 2008 64bit with 8gb ram and 4core xeon

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I’m setting up production server Windows 2008 64bit with 8gb ram and 4core xeon cpu. It will have some oracle services and Glassfish. I wonder if it’s worth to install 64 bit jvm or stay with 32 bit?
We will run e-commerce application and preapre for 100 users/day. We also use jpa caching.
Would 64bit jvm be faster?

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  1. Editorial Team

    The HotSpot FAQ seems to imply that it would be slower if anything:

    The performance difference comparing an application running on a 64-bit platform versus a 32-bit platform on SPARC is on the order of 10-20% degradation when you move to a 64-bit VM. On AMD64 and EM64T platforms this difference ranges from 0-15% depending on the amount of pointer accessing your application performs.

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