Speculative recovery using storage snapshot in a clustered database

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United States of America Patent

PATENT NO 9098454
APP PUB NO 20150019494A1
SERIAL NO

14031830

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Abstract

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A method for recovery in a database is provided in the illustrative embodiments. A failure is detected in a first computing node, the first computing node serving the database in a cluster of computing nodes. A snapshot is created of data of the database. A subset of log entries is applied to the snapshot, the applying modifying the snapshot to result in a modified snapshot. An access of the first computing node to the data of the database is preserved. Responsive to receiving a signal of activity from the first computing node during the applying and after a grace period has elapsed, the applying is aborted such that the first computing node can continue serving the database in the cluster.

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Patent Owner(s)

  • GLOBALFOUNDRIES INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Griffith, Douglas Austin, US 33 145
Jaehde, Angela Astrid Austin, US 6 64
Ochs, Matthew Ryan Austin, US 7 58

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