ReadonlybaseThe base offset assigned to the first message in the batch.
ReadonlyerrorThe error code (0 = no error).
ReadonlyerrorHuman-readable error message for the partition (v8+).
ReadonlylogThe log append timestamp (v2+). -1 if the broker does not use log append time.
ReadonlylogThe log start offset of the partition (v5+). Useful for log compaction tracking.
ReadonlypartitionThe partition index.
ReadonlyrecordPer-record errors (v8+). Only populated when specific records fail within a batch.
ReadonlytaggedTagged fields (v9+).
Partition response in a Produce response.