The mean amount freed is not a good performance indicator; if the occupancy is stable, the amount freed per collection will probably be pretty stable as well.
平均释放数量并不能表示最佳性能；如果占用非常稳定，则每次收集释放的数量也可能非常稳定。
The new WITH FULL collection option returns information on all the objects that DB2 is monitoring for a collection health indicator, regardless of their health state.
新增的WITH FULL COLLECTION选项返回DB 2中为某个集合健康信息指示器所监视的所有对象的信息，而不论其健康状况如何。
A visual indicator shows if the collection has ended successfully or failed (the progress bar is green when collection is completed with no errors, or red when it fails).
一个可视指示符显示收集成功完成还是失败(当收集完成且没有出现错误时，进度条为绿色；而收集失败时则为红色)。
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