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HAMMER Mirroring Streams
MIRROR
SOURCE
REC
REC
REC
SKIP
REC
PASS
REC
MIRROR
TARGET
Controls Target Scan
MERGE
REC
REC
REC
REC
REC
REC
REC
REC
REC
REC
Insertion Stream
Target supplies starting TID to source.
Source scan based on MIRROR_TID.
Target scan based on mirroring stream
from source.
Mirror target only inserts records, no deletes.
Mirror target can manage its own snapshots.