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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
- 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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