| When Virtual Servers create real headaches 16 days ago by Helen According to a recent CIO Insight survey, server and storage virtualization stay at the top of the IT Spending Priority List, seeing the strongest growth in 2009. Sixty-two percent of companies are budgeting for it, and many companies plan to expand the use of virtualization. I’ve written about the ... See IT Run - extrahop.com/blog · Rank: 162,379 · 1 reference |
| Oracle Database未来的发展方向– Exadata (3) 16 days ago by Kaya 前面分析的主要是Exadata如何高效地进行计算。通过在存贮结点加入数据处理能力,Exdata不仅大大地提升了处理性能,而且解决了以前的Oracle架构上可能存在的CPU和网络的瓶颈问题。 一个Database Machine有8个DB节点,14个Cell (存贮)结点。在V1版本中,一个Cell可以提供1GB/s的带宽,14个Cell节点总共能提供的带宽为14GB/s。对于8个DB节点,每个节点都是两个CPU,每个CPU 4 个Cores。所以一个Database Machine中DB节点总共有64个Cores。 8 DB Nodes + 14 Cell Nodes = Balanced S ... OS与Oracle - os2ora.com · 2 references |