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max_slot_wal_keep_size - Amazon Aurora PostgreSQL parameters 888slots download
max_slot_wal_keep_size: Amazon Aurora PostgreSQL parameters. Best of Vietnam 13 Day North to South Tour. Working with read replicas for Amazon RDS for PostgreSQL. PostgreSQL 13: Don't let slots kill your primary.
Amazon Aurora PostgreSQL parameters
The max_slot_wal_keep_size parameter controls the quantity of WAL data that the RDS for PostgreSQL DB instance retains in the pg_wal directory to serve slots.
Best of Vietnam 13 Day North to South Tour
Summary We are using max_slot_wal_keep_size from Postgresql 13 to prevent master from being killed by a lagging replication.
Working with read replicas for Amazon RDS for PostgreSQL
The last two states are seen only when max_slot_wal_keep_size is non-negative. If restart_lsn is NULL, this field is null.
PostgreSQL 13: Don't let slots kill your primary
If max_slot_wal_keep_size is zero, which is the default value, then there’s no limit. I don’t recommend this, because it leads to failures when slots fill the disk.