In a previous post, I introduced CRIPS – a measurement of the processing power of a CPU (core) based on SPEC CPU Integer Rate. The higher the CRIPS rating, the better a processor is in terms of performance per physical…
MEA: Defining Capacity and Performance Metrics
In the previous post, we discussed the current state of many existing Oracle environments. Now we need a method to accurately measure or define the workload characteristics of a given database platform. In our customer engagements we frequently ask details…
The IOPS race is over
Infrastructure has always been a tough place to compete in. Unlike applications, databases or middleware, infrastructure components are fairly easy to replace with another make and model, and thus the vendors try to show off their product as better than…
Oracle ASM vs ZFS on VNX
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…
Oracle ASM vs ZFS on XtremIO
Background 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…