Memory Trends and HANA

If the Gartner estimates here are correct… then DRAM prices will fall 50% per year per year over the next several years… and then in 2015 non-volatile RAM (see the related articles below) will become generally available. It has been suggested that memory prices will fall slower than data warehouses will grow (see here). That does not seem to…

Some Unaudited HANA Performance Numbers

The following performance numbers are being reported publicly for HANA: HANA scans data at 3MB/msec/core On a high-end 80-core server this translates to 240GB/sec per node HANA inserts rows at 1.5M records/sec/core Or 120M records/sec per node… Aggregates 12M records/sec/core Or 960M records per node… These numbers seem reasonable: A 100X improvement over disk-based scan…

Aster Data for a price…

If Greenplum HAWQ does not look promising (see my previous posts on HAWQ here and here) what are the prospects for Teradata Aster Data… which aspires to both replace and/or co-exist with Hadoop for a fee? Teradata+Hadoop maybe… but Teradata+Aster+Hadoop seems like one layer too many… as does Aster+Hadoop. (OK, I removed the bad “HAWQing” pun in the…

My 2 Cents: Greenplum 1Q2013

Since my blogs tend to be in response to some stimulus they may not reflect a holistic view on any particular product. The “My 2 Cents” series will try to provide a broader view… Please consider this as you read on… Summary From a technical perspective, Greenplum is my favorite data warehouse database. Built on…

My 2 Cents: Netezza 1Q2013

Since my blogs tend to be in response to some stimulus they may not reflect a holistic view on any particular product. The “My 2 Cents” series will try to provide a broader view… Please consider this as you read on… Summary Netezza put a new spin on data warehousing… they made it easy. The Netezza software…