PG_COMM_STATUS

node_name

text

Node name

rxpck_rate

integer

Receiving rate of the communication library on the node, in byte/s

txpck_rate

integer

Sending rate of the communication library on the node, in byte/s

rxkbyte_rate

bigint

Receiving rate of the communication library on the node, in kbyte/s

txkbyte_rate

bigint

Sending rate of the communication library on the node, in kbyte/s

buffer

bigint

Size of the buffer of the Cmailbox

memkbyte_libcomm

bigint

Communication memory size of the libcomm process, in bytes

memkbyte_libpq

bigint

Communication memory size of the libpq process, in bytes

used_pm

integer

Real-time usage of the postmaster thread

used_sflow

integer

Real-time usage of the gs_sender_flow_controller thread

used_rflow

integer

Real-time usage of the gs_receiver_flow_controller thread

used_rloop

integer

Highest real-time usage among multiple gs_receivers_loop threads

stream

integer

Total number of used logical connections.