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Why restart_lsn but not confirmed_flush_lsn ? #4

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Andrewpqc opened this issue Jan 10, 2021 · 0 comments

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Andrewpqc commented Jan 10, 2021

https://github.com/ihippik/wal-listener/blob/261cd6e0e8fda777ee7b9e5f76069a2e5486c4a6/listener/repository.go#L19、

restart_lsn：
The address (LSN) of oldest WAL which still might be required by the consumer of this slot and thus won't be automatically removed during checkpoints.

confirmed_flush_lsn：
The address (LSN) up to which the logical slot's consumer has confirmed receiving data. Data older than this is not available anymore. NULL for physical slots.

If it is possible to lead to repeat message when use restart_lsn?

ihippik added the question label

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