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I'm running an Oracle production 11gR2 database which has around 65Gb of data, running with a 4Gb SGA & 40Mb PGA using ASMM.

Now, I have a memory increase up to 32Gb. I'm planning to increase the SGA and PGA for the database but I don't know which one I should use - AMMM or HugePages? I'm using Linux 6 (RHEL?).

  • Isn't 11 R2 coming to end of life? Go to this site and see what they have to say - it's the best Oracle install site on the web! – Vérace Apr 25 at 10:59
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This is what Oracle says about it:

About HugePages

If you have a system with more than 16GB of memory running Oracle databases with a total System Global Area (SGA) larger than 8GB, you should enable the HugePages feature to improve database performance.

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