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

Records information about socket persistent connections of the libcomm communications library. Only the user with the PUBLIC permission can query this view.

Table 1 GS_LIBCOMM_FD_INFO columns

Name

Type

Description

node_name

text

DN name.

ip

text

IP address of the DN.

ctrl_port

bigint

Control channel port.

data_port

bigint

Data channel port.

remote_name

text

Instance name of the DN at the peer site.

remote_ip

text

Peer IP address.

remote_port

bigint

Peer port number.

local_ip

text

Local IP address.

local_port

bigint

Local port number.

fd

bigint

Socket connection.

type

text

Type of the TCP connection channel. The options are as follows:

  • DATA_SEND_FD: socket of the sender of the data channel
  • DATA_RECV_FD: socket of the receiver of the data channel.
  • CTL_SEND_FD: socket of the sender of the control channel.
  • CTL_RECV_FD: socket of the receiver of the control channel.
Parent topic: Communications