- If this Consumer ID is started for the first time, then it ignores messages sent before, namely historical messages, and consumes the messages sent after the Consumer ID is started.
- If this Consumer ID is started for the second time, then it consumes from the last consumption.
- To consume from a specific time point, use the Reset Consumer Offset function of the MQ console to specify a starting point of consumption. Each reset only affects the specified Topic under the specified Consumer ID, rather than other Consumer IDs.
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