Updated on 2024-09-30 GMT+08:00

PGXC_POOLER_STATUS

PGXC_POOLER_STATUS displays the pooler cache connection status of each CN in the current cluster. This view can be queried only on CNs to display the connection cache information of the pooler module on all CNs. The PGXC_POOLER_STATUS view is supported only by clusters of version 8.2.1.300 or later.

Table 1 PGXC_POOLER_STATUS columns

Column

Type

Description

coorname

text

Name of the CN node.

database

text

Database name.

user_name

text

Username.

tid

bigint

ID of the thread used for the connection to the CN.

node_oid

bigint

OID of the node connected to.

node_name

name

Name of the node connected to.

in_use

boolean

Whether the connection is currently in use. The options are:

  • t (true): The connection is in use.
  • f (false): The connection is not in use.

fdsock

bigint

Peer socket.

remote_pid

bigint

Peer thread ID.

session_params

text

GUC session parameters issued by this connection.