Artikelen gelabeld: performance

Next Generation Datacenter


Met VPLEX is het mogelijk de passieve storage infrastructuur actief te gebruiken, hierdoor kunnen applicaties die geografisch gescheiden zijn actief blijven, onafhankelijk van onderliggende storage technologieën en onderbrekingen. Het is alweer een paar jaar geleden dat EMC in het bezit kwam van een nieuwe technologie dat we vandaag de dag kennen [...]

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 [...]

Stop Idling – Start Saving


One of my missions is to help customers saving money (Dirty Cache Cash). So considering the average enterprise application environment, I frequently ask them where they spend most of their IT budget on. Is it servers? Networks? Middleware? Applications? Turns out that if you look at the operating cost of an [...]