Isolation level support in distributed database system
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United States of America Patent
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Apr 9, 2019
Grant Date -
Jan 11, 2018
app pub date -
Jul 6, 2016
filing date -
Jul 6, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A system includes transmission of a first transaction identifier and a first commit identifier to a first data storage system, the first commit identifier identifying a first data snapshot of the first data storage system, transmission of a first query to the first data storage system, transmission of a first prepare instruction and the first transaction identifier to the first data storage system, determination that a first ready response has been received from the first data storage system in response to the first prepare instruction, transmission, in response to the determination, of a first commit instruction and the first transaction identifier to the first data storage system, and reception of a second commit identifier from the first data storage system, the second commit identifier identifying a second data snapshot of the first data storage system.
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