The figure shows the transaction log records AT1
(oldest), CT1
, BT1
, AT2
, BT2
, AT3
, CT2
, BT3
, AT4
, DT1
, CT3
, CT4
, DT2
, CT5
, and DT3
(newest). The Initial Read log record identifier and Current Read log record identifier both point to AT4
. All records older than that (AT1
, CT1
, BT1
, AT2
, BT2
, AT3
, CT2
, and BT3
) are shown as flagged for purging.
As in the previous figure, this figure shows the records retrieved from the transaction log: BT1
, BT2
, BT3
, AT1
, AT2
, AT3
, and AT4
; but now they are shown as associated with a ttXlaAcknowledge
call.
End of description.