The challenge of optimizing the platform for this workload is met through a series of system and database configuration decisions and tuning steps.
为这一工作负载而优化平台所面临的挑战存在于一系列系统和数据库配置决策及调优步骤之中。
This approach does aid you in optimizing the system: the system runs slower only if the information were lost.
这种方法的确可以帮助您优化系统：只有在这些信息丢失时，系统运行速度才会减慢。
Keep DB2 statistics up-to-date: Without the statistics stored in the DB2 'system catalog, the optimizer will have a difficult time optimizing anything.
使DB 2统计信息保持最新：如果没有存储在DB 2系统目录中的统计信息，优化器在优化任何事物时都会遇到困难。
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