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Debezium series: PostgreSQL loads the correct last submission LSN from the offset

2022-07-05 19:50:00 【Target Blogger】

Debezium Series of ：postgresql Load the correct last Submission from the offset LSN

One 、 know PostgreSQL Of LSN
Two 、 Load the last submitted from the offset LSN

One 、 know PostgreSQL Of LSN

PostgreSQL LSN namely Log sequence number, Log serial number , This is a WAL The log is unique 、 Global identification .
LSN Record wal Write order of logs , Each generated wal Logs will have a number .

Two 、 Load the last submitted from the offset LSN

debezium-connector-postgres/src/main/java/io/debezium/connector/postgresql/PostgresOffsetContext.java

public PostgresOffsetContext load(Map<String,

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