If you need to generate lots of I/O on an Oracle database, the de-facto I/O generator tool is SLOB (Silly Little Oracle Benchmark). In the recent years however, PostgreSQLÂ has gotten a lot of traction and many customers are starting…
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…
Silly Little Oracle Benchmark – RPM edition
A while ago Kevin Closson announced a new release of the well-known SLOB kit. SLOB is a simple but powerful toolkit that drives lots and lots of IO on a real Oracle database (so for performance testing of database platforms,…
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…