Updated on 2024-12-19 GMT+08:00

PGXC_STAT_REPLICATION

PGXC_STAT_REPLICATION displays the log synchronization status of each node in the cluster. All columns except node_name are the same as those in the PG_STAT_REPLICATION view. Only users with system administrator permissions can access this view.

Table 1 PGXC_STAT_REPLICATION columns

Name

Type

Description

node_name

text

Node name

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

Program start time

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)