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Oracle again

posted by [personal profile] emperor at 11:20am on 27/09/2004
Couple of quickies, since I noticed that Sun do Opteron systems that would take 20GB RAM...

1) does opteron Linux support lots of physical memory?
2) does Oracle run on Linux for opteron? (and if so, do I need an "enterprise" version of Linux?
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posted by [identity profile] mobbsy.livejournal.com at 03:31am on 27/09/2004
1) I believe so, yes.

2) There are 64-bit x86 (AMD64/EM64T) versions of the Oracle RDBMS available for Linux. 9.2 is certified on SuSE SLES 8 and Redhat RHEL 3. Certification for 10g is officially projected for SLES 8 and RHEL 3, but not actually there yet.

Technically, you don't need the certified platform, any Linux with the correct library versions will do. However, if you require support from Oracle, only certified configurations count.

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posted by [identity profile] mobbsy.livejournal.com at 03:39am on 27/09/2004
Further, if you don't need support from Oracle, a good option to get a platform with the correct libraries may be White Box Linux - a Free rebuild of RHEL3 removing the encumbered artwork and without contractual obligations on binary redistribution.

Oh, you might also like to know, even 32-bit x86 Oracle will support >4GB for the buffer cache, but does so by a paging mechanism using /dev/shm, so isn't as fast as direct access.
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