发明名称 |
SPECULATIVE RECOVERY USING STORAGE SNAPSHOT IN A CLUSTERED DATABASE |
摘要 |
A method, system, and computer program product for recovery in a database are 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. |
申请公布号 |
WO2015003877(A2) |
申请公布日期 |
2015.01.15 |
申请号 |
WO2014EP62588 |
申请日期 |
2014.06.16 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION;IBM UNITED KINGDOM LIMITED |
发明人 |
GRIFFITH, DOUGLAS;JAEHDE, ANGELA, ASTRID;OCHS, MATTHEW, RYAN |
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