DB 2提供了一个名为Design Advisor的实用程序，可以用它来为特定的查询或工作负载推荐索引。
DB2 provides a utility called Design Advisor which you can use to recommend indexes for a particular query or workload.
为了使你能够保持一个健康，健美的身体，我向你推荐一个“四小时身体健美”的实用指南。
For a practical guide on maintaining a healthy, fit body I recommend The 4-hour body.
QJM专注于HDFS的实现，其唯一目的就是提供一个高实用性的可编辑日志，也是大多是HDFS安装时所推荐的。
The QJM is a dedicated HDFS implementation, designed for the sole purpose of providing a highly available edit log, and is the recommended choice for most HDFS installations.
应用推荐