Updated on 2024-06-03 GMT+08:00

GLOBAL_COMM_SEND_STREAM

GLOBAL_COMM_SEND_STREAM displays the sending stream status of all TCP proxy communications libraries on all the DNs, as described in Table 1.

Table 1 GLOBAL_COMM_SEND_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.

send_bytes

bigint

Total data volume sent by the stream (unit: byte).

time

bigint

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

speed

bigint

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

quota

bigint

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

wait_quota

bigint

Extra time generated when the stream waits for the quota value (unit: ms).