May 21, 2012

Post: 128GB or RAM finally got cheap

… to 128GB of memory will cost you just $9600 (list price). I’ve been able to configure on a web the system with 8*2.5″ hard drives RAID and 2 CPUs (just as we usually configure PowerEdge 2950) with 128GB of RAM… set to fit in memory” to perform well and such systems can avoid good consolidation factor for such application, or would…

Post: Is there benefit from having more memory ?

… it caused more questions, like, should we have more then 128GB of memory? If we use fast solid state drive, should… look on numbers with 120GB ( as if you have system with 128GB of RAM) and 250GB Buffer_poolread-only, tpsread-write, tps 120GB1866… active dataset into memory, and it is possible as nowadays systems with 300GB+ RAM already available.

Comment: 128GB or RAM finally got cheap

… the Dell you mention. Two quad core CPU’s and 128GB of RAM (in 16 8GB sticks.. so about $25k instead of… the disks, having that much write cache means that the system never shows more than about 2% “io wait” (and thats… weren’t for next-key locking in big selects, the system would appear nearly transparent. ;) Its definitely not ideal. Apps should…

Post: Star Schema Bechmark: InfoBright, InfiniDB and LucidDB

… ( the box is only 16GB of RAM). MonetDB experts recommended me to extended swap partition to 128GB, but my partitions layout was… time. InfiniDB can really utilize all available cores/cpus in systems ( I run benchmark on 8 cores box), and it allowed…