Help Center/ GaussDB/ Developer Guide(Distributed_V2.0-8.x)/ System Catalogs and System Views/ System Views/ Other System Views/ PG_GET_SENDERS_CATCHUP_TIME
Updated on 2025-08-19 GMT+08:00
View PDF

PG_GET_SENDERS_CATCHUP_TIME

PG_GET_SENDERS_CATCHUP_TIME displays catchup information of the currently active primary/standby instance sender thread on the DN. For details about the columns, see Table 1.

Table 1 PG_GET_SENDERS_CATCHUP_TIME columns

Name

Type

Description

pid

bigint

Current sender thread ID

lwpid

integer

Current sender lwpid

local_role

text

Local role

peer_role

text

Peer role

state

text

Current sender's replication status

  • Startup: startup state.
  • Backup: backup state.
  • Catchup: catch-up state, which indicates that the standby node is catching up with the primary node.
  • Streaming: streaming replication state. When the standby node catches up with the primary node, the replication remains in this state.

type

text

Current sender type

  • Wal: type that logs are written in advance.
  • Data: data type.

catchup_start

timestamp with time zone

Startup time of a catchup task

catchup_end

timestamp with time zone

End time of the catchup task
Parent topic: Other System Views