在Flink CDC同步Postgres数据时,postgresql主从切换后,可能会出现pg_replication_slots表中残留旧的复制插槽...
Because these slots are still needed by the parent branch subscriptions. For regular slots we handle this by setting the slot_name to NONE before calling DROP SUBSCRIPTION, but tablesync slots are not exposed to SQL. rely on GUC disable_logical_replication_subscribers=true to know that we're ...