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5 to 7% GG Capture 业务用户 LAN / WAN Internet

22 ? Capture, Pump, and Delivery三个进程将当前位置保存在一个 checkpoint file,以便于发生错误时恢复.

22 捕获进程 Commit Ordered Source Trail 源生产系统 Begin, TX

1 Insert, TX

1 Begin, TX

2 Update, TX

1 Insert, TX

2 Commit, TX

2 Begin, TX

3 Insert, TX

3 Begin, TX

4 Commit, TX

3 Delete, TX

4 Begin, TX

2 Insert, TX

2 Commit, TX

2 Begin, TX

3 Insert, TX

3 Commit, TX

3 Start of Oldest Open (Uncommitted) Transaction Current Read Position Capture Checkpoint Current Write Position GoldenGate 一致性的机制:Checkpointing

23 GoldenGate 一致性的机制:Checkpointing ? Capture, Pump, and Delivery三个进程将当前位置保存在一个 checkpoint file,以便于发生错误时恢复.

23 捕获进程 传输进程 Commit Ordered Source Trail Commit Ordered Target Trail 源生产系统 Begin, TX

1 Insert, TX

1 Begin, TX

2 Update, TX

1 Insert, TX

2 Commit, TX

2 Begin, TX

3 Inser........