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Old Version 68

changes.mady.by.user Maksim Timonin

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New Version 69

changes.mady.by.user Nikolay Izhikov

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The border between Before and After areas consists of two WAL records - ConsistentCutStartRecord and ConsistentCutFinishRecord. It guarantees that the Before consists consists of:1. transactions committed before 

  1. Transactions committed before ConsistentCutStartRecord and weren't included into ConsistentCutFinishRecord#after()

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  1. .

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  1. Transactions committed between ConsistentCutStartRecord and ConsistentCutFinishRecord and were included into ConsistentCutFinishRecord#before().

On the picture below the Before area consist of transactions colored to yellow, while After is green.

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