| 摘要 |
A solution method of an in-doubt state in two-phase commit protocol of a distributed transaction system includes assigning a unique identifier to each log group, and registers information about a database management device having the management right of each log group in a first table, and rewriting the first table in such a way that another database management device may have a management right of a global representative log group when a management right of the global representative log group to the other database management device during an in-doubt state period of two-phase commit, and rewriting the first table in such a way that another database management device may have a management right of the global representative log group when a management right of a log group other than the global representative log group to another database management device during the in-doubt state period of two-phase commit.
|
