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Gary Russell edited comment on KAFKA-10683 at 11/5/20, 3:35 PM: ---------------------------------------------------------------- In addition, position() does not take the marker into account when {noformat} max.poll.records=1{noformat} Even with read_committed isolation. was (Author: grussell): In addition, position() does not take the marker into account when {noformat}max.poll.records=1{noformat} > Consumer.position() Ignores Transaction Marker with read_uncommitted > -------------------------------------------------------------------- > > Key: KAFKA-10683 > URL: https://issues.apache.org/jira/browse/KAFKA-10683 > Project: Kafka > Issue Type: Bug > Components: clients, core > Affects Versions: 2.6.0 > Reporter: Gary Russell > Priority: Minor > > The workaround for https://issues.apache.org/jira/browse/KAFKA-6607# Says: > {quote} > or use `consumer.position()` that takes the commit marker into account and > would "step over it") > {quote} > Note that this problem occurs with all consumers, not just Streams. We have > implemented this solution in our project (as an option for those users > concerned about the pseudo lag). > We have discovered that this technique will only work with > {code}isolation.level=read_committed{code} Otherwise, the > {code}position(){code} call does not include the marker "record". > https://github.com/spring-projects/spring-kafka/issues/1587#issuecomment-721899560 -- This message was sent by Atlassian Jira (v8.3.4#803005)