Sunday Sep 02, 2012

Errata of Expert Oracle Exadata Chinese Edition-深入理解 Oracle Exadata 勘误表

  • P10 因为这些CPU都属于Westmere系列,都内置支持AES解压加密功能,这实质上就提供了硬件支持的加密和解压解密
    Because these CPUs are in the Westmere family, they have built in AES encryption support, which essentially provides a
    hardware assist to encryption and decryption.
  • P39 特别是对于高压缩率的数据,所以还是决定将解压缩放到数据库存储服务器上完成。
    particularly with the higher levels of compression, the decision was made to do the decompression on the storage servers.
  • P101
     表名  压缩类型  压缩率  运行时间  运行时间比
     表名  压缩类型  实际压缩率  估算压缩率  错误率
     Table Name  Compress For

     Actual
    Compression
    Ratio

     Estimated
    Compression
    Ratio
     Error Percentage

  • P167 http://docs.oracle.com/cd/E11882_01/server.112/e25513/initparams187.htm#refrn10314
           
    http://docs.oracle.com/cd/E11882_01/server.112/e25523/parallel005.htm#VLDBG1491
  • P211 在11.2版本中,Clusterware 得到了极大的更新 (并改名为 Grid Infrastructure) 。
    Clusterware was heavily updated in version 11.2 (and renamed Grid Infrastructure).

  • P285 I/O相关指标接下来的问好分可能是R(读)或者W(写),紧跟着SWSM或者LG,分别代表小读写操作或大读写操作。
    For I/O-related metrics, the next part of the metric name may be R (for reads) or W (for writes) followed by SM or LG for small or large reads and writes.

  • P495 表14-6 最后一行  闪存盘 IOPS
                                       Flash Disk IOPS

 

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Bandari Huang | Exadata Solution Consultant Phone: +86-21-2302-3838 | Mobile: +86-156-9213-8783 Oracle Exadata & Strategic Solutions Consulting, Great China

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