Updated on 2024-06-03 GMT+08:00

GLOBAL_REPLICATION_STAT

GLOBAL_REPLICATION_STAT displays information about log synchronization status on each node, such as the locations where the sender sends logs and where the receiver receives logs, as described in Table 1.

Table 1 GLOBAL_REPLICATION_STAT columns

Name

Type

Description

node_name

name

Node name.

pid

bigint

PID of the thread.

usesysid

oid

User system ID.

usename

name

Username.

application_name

text

Program name.

client_addr

inet

Client address.

client_hostname

text

Client name.

client_port

integer

Port of the client.

backend_start

timestamp with time zone

Start time of the program.

state

text

Log replication state:

  • Catch-up state.
  • Consistent streaming state.

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 replication.
  • Synchronous replication.
  • Potential synchronization.