发明名称 |
Fast log apply |
摘要 |
The present invention discloses a technique for restoring a database in a computer. In accordance with the present invention, the database contains objects and is stored on a data storage device connected to the computer. After a system failure, a log file is read. The log file contains one or more modifications to the database objects. Each modification has an associated data page and time stamp or sequence number. The modifications are sorted by at least one predefined sorting key value. The sorted modifications are then grouped by database object. The sorted modifications are applied to each database object in parallel. |
申请公布号 |
US6289355(B1) |
申请公布日期 |
2001.09.11 |
申请号 |
US19980153998 |
申请日期 |
1998.09.16 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORP. |
发明人 |
HADERLE DONALD J.;MAJITHIA THOMAS |
分类号 |
G06F7/00;G06F11/14;G06F12/00;G06F17/30;H02H3/05;(IPC1-7):H02H3/05 |
主分类号 |
G06F7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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