Flash Memory

I have been finding and reading some great references on flash memory lately and thought would collate up some of the better ones here (and leave some takeaways as well). For starters, ACM queue magazine had a great issue entitled Enterprise Flash Storage last year. Jim Gray’s and Goetz Graefe’s […]

Compression and Layering in Hadoop

One of the relatively late lessons I have received in operating a Hadoop cluster has been the (almost overwhelming) importance of compression in storage, computation and network transmission. One of the architectural questions is whether compression belongs to the file-system (and similarly the networking sub-system) or whether it is something […]