空间间隔系统 Space-Interval System
平均系统事故间隔时间 MTBSI
平均系统故障间隔时间 mean time between system failures
时间间隔系统 time interval system
平均系统事件间隔时间 mean time between system incidents
平均系统故障间隔 Mean Time Between Service Incident
为了收集短期历史数据，DB2 PE 以用户指定的时间间隔（即记录时间间隔）制作系统活动的定期快照。
To collect short-term history data, DB2 PE makes periodic snapshots of system activity at an interval you specify, the recording interval.
TOTAL TICKS是追踪时间间隔过程中发生系统时钟中断的次数。
TOTAL TICKS is the number of times that the system-clock interrupt occurred during the trace interval.
如果时间间隔值较大，说明有一个长事务仍在系统中执行。
A large value here would indicate that there is a long transaction running that is still live in the system.
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