Posted by steve on 28 Aug 2018 in AIX Tuning, AIX Tips, Performance Testing
Are the percentage columns for user, system, wait and idle in the vmstat output always percentages in relation to the Physical Consumed (PC) column? more »
Posted by steve on 19 Jun 2018 in AIX Tuning, VIO Server Tips, AIX Tips, SRIOV and vNIC, Performance Testing
Results from my 40Gbit adapter performance testing on p8 hardware. more »
Posted by steve on 10 Sep 2017 in Power System Affinity, LPM Information, VIO Server Tips, AIX Tips, Performance Testing
Here is an extract from the Optimizing Power with Affinity Groups Poster Presentation I gave at the IBM Technical Symposium in Melbourne 2017. more »
Posted by steve on 16 Jul 2017 in Power System Affinity, AIX Tuning, Performance Testing
We recently ran some load testing using Load Runner and the same workload was applied to two different LPARs with the exact same configuration. These tests show the reduced core requirements for a real world p7 to p8 migration. more »
Posted by steve on 16 Jul 2017 in Power System Affinity, AIX Tuning, Performance Testing
We recently ran some load testing using Load Runner and the same workload was applied to four different LPARs with the exact same configuration. These tests highlight the negative effects from having high vCPU counts and low Entitlments. more »