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Posted to dev@kafka.apache.org by "Eno Thereska (JIRA)" <ji...@apache.org> on 2017/06/28 15:35:00 UTC

[jira] [Created] (KAFKA-5533) Timestamp-based log compaction

Eno Thereska created KAFKA-5533:
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             Summary: Timestamp-based log compaction
                 Key: KAFKA-5533
                 URL: https://issues.apache.org/jira/browse/KAFKA-5533
             Project: Kafka
          Issue Type: New Feature
          Components: core
    Affects Versions: 0.11.0.0
            Reporter: Eno Thereska
             Fix For: 0.11.0.1


Today log compaction is based on offsets, not timestamps. That means that a late arriving record with a small timestamp TS can over-write a record with a larger timestamp TL. This affects computations that depend on correct processing of timestamps. For example, in the streams library, this would mean that processing for KTables with late arriving data would not be correct.

This JIRA will require a KIP.



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