Data recovery USES rules based on the state of the transaction as recorded by the coordinator and participants.
数据恢复使用基于事务状态的规则,其中事务状态是由协调器和参与者记录的。
2
Subsequent requests are treated similarly: the clients always contact the central coordinator node, and the coordinator node retrieves the data from the correct node.
后续请求也被同等对待:客户端总是联系中心协调者节点,而协调者节点会从正确的节点检索数据。
3
When SACR is enabled, DB2 chooses a coordinator for the transaction based on the data location of the first statement.