© 2008 Progress Software Corporation20 OPS-28: A New Spin on Some Old Latches Rollback Processing BI Buffer Pool – Recording a change -bibufs 10 NF - a NF - b NF - c NF - d NF - e 3231 30 29 Modified Queue Free List 15 Current Input Buffer 9 Backout Buffer 12 Backout Buffer BI Current Output Buffer New Notes (Actions) Forward Processing
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