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Kafka manually sets the offset offset

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Posted on 5/8/2021 5:12:09 PM | | | |
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Review:

Kafka operations for .NET/C# message queues [with source code]
https://www.itsvse.com/thread-9619-1-1.html

Prerequisites:All relevant consumer services must be stopped。

Just run the following command:

First, check the topic offset offset used under the specified consumer group information:



Note that current-offset and log-end-offset also have lag, which are the current offset, the end offset, and the lagging offset, respectively.

Now it is obvious that the lag is 10546, current-offset=10544, log-end-offset=21090, telling us that there are 10546 unconsumed

CURRENT-OFFSET: The current consumption to the offset is 10544, which can be understood as 10544 has been consumed.

LOG-END-OFFSET: can be understood as a total of 21090 records.

LAG: It can be understood as the number of unconsumed records.

Set the offset offset manually

Check the consumption of the group again, as follows:



Only 3 messages are not consumed, let's open the consumer program to run, as shown in the figure below:



Only the remaining 3 messages were consumed, and the manual adjustment of the offset was successful.

(End)





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