On a never-ending mission to drive cost reduction and improved service levels to our customers.
This can be applied to any technology - but I specialize on optimizing Oracle Database deployment at our customers, and offering alternatives for classic Data Warehouse / Business Intelligence initiatives.
Take a look at my blog to find out how.
Oracle, performance tuning, virtualization & cloud computing.
The keyword is Efficiency - lean & mean.
Many customers these days are implementing Oracle on XtremIO so they benefit from excellent, predictable performance and other benefits such as inline compression and deduplication, snapshots, ease of use etc.
Those benefits come at a price and if you just consider XtremIO on a usable gigabyte basis, it does not come [...]
In my last post on ZFS I shared results of a lab test where ZFS was configured on Solaris x86 and using XtremIO storage. A strange combination maybe but this is what a specific customer asked for.
Another customer requested a similar test with ZFS versus ASM but on Solaris/SPARC and [...]
A short post in follow-up to the previous one on ZFS vs ASM:
I wrote that I had to create a procedure to get full table scans on SLOB data. SLOB is designed to do random I/O (and lots of it 😉 but my test required FTS as well.
Here is the [...]
In my previous post on ZFS I showed how ZFS causes fragmentation for Oracle database files. At the end I promised (sort of) to also come back on topic around how this affects database performance. In the meantime I have been busy with many other things, but ZFS issues still [...]
This article describes how to set up a very lightweight VNC service under CentOS/Red Hat.
In Red Hat Enterprise Linux (and derivates, I use CentOS) you can run a VNC service to allow graphical connections to a linux system. I was looking for a very lightweight VNC service (no fancy desktop [...]
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