METHOD AND APPARATUS FOR UPDATING DATABASE BY USING TWO-PHASE COMMIT DISTRIBUTED TRANSACTION

METHOD AND APPARATUS FOR UPDATING DATABASE BY USING TWO-PHASE COMMIT DISTRIBUTED TRANSACTION

The present specification provides a method for updating a database by using a two-phase commit distributed transaction. The method is applied to a coordinator, and includes: sending a phase 1 prepare request message to each participant to end a current transaction, the current transaction being use...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YANG, Chuanhui, LUO, Yixin, GAO, Shanyan, HAN, Fusheng, XIAO, Jinliang
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:The present specification provides a method for updating a database by using a two-phase commit distributed transaction. The method is applied to a coordinator, and includes: sending a phase 1 prepare request message to each participant to end a current transaction, the current transaction being used to update a target database record; and after receiving write lock advance release requests sent by all participants, returning a write lock advance release response to each participant to instruct each participant to unlock a target database record of the participant, the write lock advance release requests being sent by the participants after the participants successfully write a log of an update operation of the current transaction to a log buffer.