PG_STAT_REPLICATION¶
PG_STAT_REPLICATION displays information about log synchronization status, such as the locations of the sender sending logs and the receiver receiving logs.
Name | Type | Description |
|---|---|---|
pid | bigint | PID of the thread |
usesysid | oid | User system ID |
usename | name | Username |
application_name | text | Application name |
client_addr | inet | Client address. |
client_hostname | text | Client name |
client_port | integer | Client port number |
backend_start | timestamp with time zone | Start time of the program |
state | text | Log replication state (catch-up or consistent streaming) |
sender_sent_location | text | Location where the sender sends logs |
receiver_write_location | text | Location where the receiver writes logs |
receiver_flush_location | text | Location where the receiver flushes logs |
receiver_replay_location | text | Location where the receiver replays logs |
sync_priority | integer | Priority of synchronous duplication (0 indicates asynchronization) |
sync_state | text | Synchronization state (asynchronous duplication, synchronous duplication, or potential synchronization) |