Do you mind providing a bit more information ? Release of Kafka you use
Any difference between data1_log and the other, normal topic ? Probably check the broker log where data1_log is hosted - see if there is some clue. Thanks On Wed, Oct 25, 2017 at 12:11 PM, Dan Markhasin <minimi...@gmail.com> wrote: > I'm trying to use the kafka-consumer-groups.sh tool in order to rewind a > consumer group's offset, however it seems to be returning the latest offset > regarding of the requested offset. > > You can see in the below example that two consecutive commands to reset the > offset to a specific point in time return different (increasing) offsets, > which are actually the latest offsets for the topic. > > - The consumer group ("test_consumer") is a console consumer that was > started with --from-beginning and terminated after a few seconds, just > enough for it to commit its offsets. > - The topic data1_log is very busy with thousands of incoming messages per > second > - The datetime value provided is approx. 5 hours earlier than the current > UTC time > > [admin@broker01] ~> /kafka/latest/bin/kafka-consumer-groups.sh > --bootstrap-server localhost:9092 --reset-offsets --group test_consumer > --topic data1_log --to-datetime '2017-10-25T13:40:00.000' > Note: This will only show information about consumers that use the Java > consumer API (non-ZooKeeper-based consumers). > > > TOPIC PARTITION NEW-OFFSET > data1_log 8 301485420 > data1_log 1 342788637 > data1_log 7 287621428 > data1_log 3 268612266 > data1_log 0 201860717 > data1_log 9 202749553 > data1_log 4 188974032 > data1_log 6 234308481 > data1_log 2 263507741 > data1_log 5 232707238 > > [admin@broker01] ~> /kafka/latest/bin/kafka-consumer-groups.sh > --bootstrap-server localhost:9092 --reset-offsets --group test_consumer > --topic data1_log --to-datetime '2017-10-25T13:40:00.000' > Note: This will only show information about consumers that use the Java > consumer API (non-ZooKeeper-based consumers). > > > TOPIC PARTITION NEW-OFFSET > data1_log 8 301485491 > data1_log 1 342788779 > data1_log 7 287621534 > data1_log 3 268612364 > data1_log 0 201860796 > data1_log 9 202749620 > data1_log 4 188974068 > data1_log 6 234308564 > data1_log 2 263507823 > data1_log 5 232707293 > > This issue seems to be topic-specific - there is a different topic (also > very active) where the same command consistently returns the correct > offsets fixed in the time for the requested datetime. > > What could be the issue here? > > Thanks, > Dan >