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Diffstat (limited to 'src/backend/replication/logical/worker.c')
| -rw-r--r-- | src/backend/replication/logical/worker.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/replication/logical/worker.c b/src/backend/replication/logical/worker.c index 9b598caf3ca..32ff4c03364 100644 --- a/src/backend/replication/logical/worker.c +++ b/src/backend/replication/logical/worker.c @@ -132,6 +132,13 @@ * avoid such deadlocks, we generate a unique GID (consisting of the * subscription oid and the xid of the prepared transaction) for each prepare * transaction on the subscriber. + * + * FAILOVER + * ---------------------- + * The logical slot on the primary can be synced to the standby by specifying + * failover = true when creating the subscription. Enabling failover allows us + * to smoothly transition to the promoted standby, ensuring that we can + * subscribe to the new primary without losing any data. *------------------------------------------------------------------------- */ |