Niket Goel created KAFKA-12997:
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Summary: Expose log record append time to the controller/broker
Key: KAFKA-12997
URL: https://issues.apache.org/jira/browse/KAFKA-12997
Project: Kafka
Issue Type: Sub-task
Reporter: Niket Goel
The snapshot records are generated by each individual quorum participant which
also stamps the append time in the records. These appends times are generated
from a different clock (except in the case of the quorum leader) as compared to
the metadata log records (where timestamps are stamped by the leader).
To enable having a single clock to compare timestamps,
https://issues.apache.org/jira/browse/KAFKA-12952 adds a timestamp field to the
snapshot header which should contain the append time of the highest record
contained in the snapshot (which will be in leader time).
This JIRA tracks exposing and wiring the batch timestamp such that it can be
provided to the SnapshotWriter at the time of snapshot creation.
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