Posts by Marc Fielding

Exadata’s Best Kept Secret: Storage Indexes

Although many electrons have been expended discussing Exadata’s features, storage indexes tend to figure last, with a vague mention of row elimination in heavily clustered data. Even Oracle’s Exadata software user guide devotes barely half a page to them. Unlike the better known smart scanning features though, storage indexes have an important advantage: rather than offloading workload to storage cells, they eliminate the need to do the I/O at all. Here are some sample statistics taken from an actual production system:

Oracle’s January 2010 Critical Patch Update is out

Oracle has just released their January installment of their critical patch update (CPU). Vulnerability CVE-2010-0071 is particularly critical, with a CVSS score of 10, the highest possible. It’s a remotely-exploitable listener vulnerability that’s particularly severe on Windows platforms. Full details are on Oracle’s security site.

Oracle clamps down on multicore licensing

I was reviewing Oracle’s Processor Core Factor Table, which lists the multiplier used to calculate the Oracle Enterprise Edition CPU license requirements, and noticed something interesting: the preferential 0.5 core multiplier that formerly applied to all Intel/AMD chips has now been restricted to…

Oracle’s Quarterly Critical Patch Update is Out

The latest quarterly update came out this morning. There are oh-my-god smoking guns this time, but several medium-important patches. If you’re running Oracle Collaboration Suite, note that the patch blows away the login and logout pages (oops!). MetaLink note 445172.1 has info on how to restore the pages post-patch.

It’s Oracle patch time again

It’s yet again time for Oracle’s critical patch update (CPUJAN2008). The update will be released on Tuesday January 15, and as of yet there are no details on exactly what vulnerabilities have been found.

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