Updated on 2024-05-07 GMT+08:00

COMM_RECV_STREAM

COMM_RECV_STREAM displays the receiving stream status of all TCP proxy communications libraries on a single DN.

Table 1 COMM_RECV_STREAM columns

Name

Type

Description

node_name

text

Node name

local_tid

bigint

ID of the thread using this stream

remote_name

text

Name of the peer node

remote_tid

bigint

Peer thread ID

idx

integer

Peer DN ID in the local DN

sid

integer

Stream ID in the physical connection

tcp_sock

integer

TCP socket used in the stream

state

text

Stream status

query_id

bigint

debug_query_id corresponding to the stream

pn_id

integer

plan_node_id of the query executed by the stream

send_smp

integer

smpid of the sender of the query executed by the stream

recv_smp

integer

smpid of the receiver of the query executed by the stream

recv_bytes

bigint

Total data volume received by the stream (unit: byte)

time

bigint

Current lifecycle service duration of the stream (unit: ms)

speed

bigint

Average receiving rate of the stream (unit: byte/s)

quota

bigint

Current communication quota value of the stream (unit: byte)

buff_usize

bigint

Current size of the data cache of the stream (unit: byte)