Hybrid transaction/intent log for data replication
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United States of America Patent
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Jul 25, 2006
Grant Date -
N/A
app pub date -
Apr 15, 2002
filing date -
Apr 15, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method whereby a transaction log is converted to an intent log and vice versa while the replication system is operating, thus allowing the replication system to operate primarily as a transaction log, but switch eventually to an intent log before an overflow condition of the transaction log occurs. The size of the hybrid log is tuned so that it remains a transaction log (with all the benefits) for commonly occurring small network outages but will convert to an intent log (and thus not overflow) if a prolonged outage occurs.
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