Artikelen gelabeld: iops

Getting the most out of your server resources

As an advocate on database virtualization, I often challenge customers to consider if they are using their resources in an optimal way. And so I usually claim, often in front of a skeptical audience, that physically deployed servers hardly ever reach an average utilization of more than 20 per cent (thereby [...]

Linux Disk Alignment Reloaded

My all-time high post with the most pageviews is the one on Linux disk alignment: How to set disk alignment in Linux. In that post I showed an easy method on how to set and check disk alignment under linux. Enough has been written on why disk alignment is important but here [...]

ZFS and Database fragmentation

Disk Fragmentation – O&O technologies.Hope they don’t mind the free advertising Yet another customer was asking me for advice on implementing the ZFS file system on EMC storage systems. Recently I did some hands-on testing with ZFS as Oracle database file store so that I could get an opinion on the [...]

Oracle Exadata X3 Database In-Memory Machine: Timely Thought...

Reblogged from Kevin Closson's Blog: Platforms, Databases and Storage: Oracle Exadata X3 Database In-Memory Machine – An Introduction On October 1, 2012 Oracle issued a press release announcing the Oracle Exadata X3 Database In-Memory Machine. Well-chosen words, Oracle marketing, surgical indeed. Words matter. Games Are Games–Including Word Games Oracle didn’t issue a press release [...]