On Wed, Oct 03, 2018 at 06:37:41PM +0530, Srikar Dronamraju wrote: > * Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx> [2018-10-02 23:00:05]: > > > I will try to get a DayTrader run in a day or two. There JVM and db threads > > act on the same memory, I presume it might show some insights. > > I ran 2 runs of daytrader 7 with and without patch on a 2 node power9 > PowerNv box. > https://github.com/WASdev/sample.daytrader7 > In each run, has 8 JVMs. > > Throughputs (Higher are better) > Without patch 19216.8 18900.7 Average: 19058.75 > With patch 18644.5 18480.9 Average: 18562.70 > > Difference being -2.6% regression > That's unfortunate. How much does this workload normally vary between runs? If you monitor migrations over time, is there an increase spike in migration early in the lifetime of the workload? -- Mel Gorman SUSE Labs