Linked by Thom Holwerda on Thu 25th May 2006 15:42 UTC, submitted by marco
"Sun today announced new benchmark results involving the performance of the open source MySQL database running online transaction processing workload on 8-way Sun Fire V40z servers. The testing, which measured the performance of both read/write and read-only operations, showed that MySQL 5.0.18 running on Solaris 10 executed the same functions up to 64 percent faster in read/write mode and up to 91 percent faster in read-only mode than when it ran on the Red Hat Enterprise Linux 4 Advanced Server Edition OS." Take a look at the item below, though.
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RE[5]: Dear Doubting Linux Users...
by Robert Escue on Fri 26th May 2006 17:26
in reply to "RE[4]: Dear Doubting Linux Users..."
Member since:2005-07-08
RE[6]: Dear Doubting Linux Users...
by pat9912 on Fri 26th May 2006 17:47
in reply to "RE[5]: Dear Doubting Linux Users..."
Member since:2006-05-25
Indeed. I noticed that there are similarities between todays Linux advocate and Win NT advocates in the 90s. For the most part knowledge and mindless advocacy is inversely proportional. I agree, Linux Advocates should be procmailed to /dev/null.
Solaris, Linux, FreeBSD, OpenBSD,etc each offer advantages within specific areas.
Edited 2006-05-26 17:51
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Member since:
2006-05-25
"
The 512-CPU Altix isn't a cluster, it runs a *single* Linux image (when you run "top" you see 512 CPUs - that's why recent versions of top default to showing only aggregate CPU statistics). It's made up of nodes, each with a couple of CPUs, but those nodes aren't independent, they make up a single, unified machine. "
And the projection of a single contiguous memory structure between node is what NUMA provides. And your point is? The fact that the systems communicate on a high speed interconnect is different the the Sun Fire 6800 which I admin. In fact NUMA patches are required and possess different locking primative that the localized SMP model-- the big difference between NUMA and the large Sun Fire models is latency and thus the model is different.
Just try to run the Linux kernel on the 6800. You start seeing locking contentions after 12 CPUs and the scalability leveling off.