我在CDC复制源端,通过dmdecodebookmark解析出来的三个点:
restart,current,commit position分别代表什么意思呢?
就是下面的如下内容:
bash-3.00$ ./dmdecodebookmark -I T_BJPROD
-b 000308059EA7A4ACAC059EA7A4ADAC02000100112A8A01D401059EA7A4ADAC02000100112A8A01D40100000000
输出内容如下: 000308059EA7A4ACAC059EA7A4ADAC02000100112A8A01D401059EA7A4ADAC02000100112A8A01D40100000000
Header: 000308
Restart position: 6178975558828
Commit position: 6178975559084.2.1.1125002.468.1
Current position: 6178975559084.2.1.1125002.468.1.0
restart,commit,current position三个SCN的位置对于CDC来说代表什么含义?
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