If you want to reduce the number of events and alarms and have some level of topological awareness to eliminate duplicates, that's pretty standard and working today.

如果你要减少事件和警报的数目，以及拥有某种水平对消除重复的拓扑结构的认知，那么（事件相关）是今天非常好的标准和工作。

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This way the web service can eliminate duplicates in case a message has been submitted multiple times and can also guarantee — if not ensured otherwise — the proper message order.

通过这种方式，Web服务在一条消息被重复提交多次的情况下能够避免重复处理，同时还能够保证消息之间正确的次序。

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The above problem can be circumvented by the use of DISTINCT and one or more timestamp columns to simulate FIFO or LCFO; however DB2 will use an additional step to eliminate the duplicates.

上述问题可以通过使用DISTINCT和一个或多个时间戳列模拟FIFO或LCFO来回避；但是，DB2将使用一个额外步骤来消除重复。

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