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 transmit sends logs

receiver_write_location

text

Location where the receive end writes logs

receiver_flush_location

text

Location where the receive end flushes logs

receiver_replay_location

text

Location where the receive end replays logs

sync_priority

integer

Priority of synchronous duplication (0 indicates asynchronization.)

sync_state

text

Synchronization state:
  • Asynchronous replication
  • Synchronous replication
  • Potential synchronization