Category Archives: Performance

Finally closed a VOS case that’s been open for over a year which was related to high system consumption caused by running multiple Oracle RDBMS’s on a single system. The observation was 80/90% system cpu consumption from mpstat 1 and … Continue reading →

I’ve just closed down another escalation involving a performance comparison of an application (Finacle in this case) running on a 6 board SunFire 6900 and a 6 board SunFire E25K. Obviously we’re not comparing apples and pears here but never … Continue reading →

The biggest piece of advice I can give you about those of you about to upgrade with lots of custom tunables in /etc/system……..read the manual (FTFM if you’re feeling particularly vocal), no seriously, I mean it! You only have to … Continue reading →

I recently got involved in an interesting performance problem in which the customer was experiencing differences in copying a 500mb file to 2 different VxFS filesystems on the same box by up to a factor of 4 in some cases … Continue reading →

"42" For those of you that had read or listened to the Hitchhikers Guide to the Galaxy the above question and answer will have more meaning to you than those of you that haven’t. Essentially, how can you have a … Continue reading →