doc-exports/docs/dws/dev/dws_04_0722.html
Lu, Huayi ef0ada5a59 DWS DEV 20240716 version
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-11-02 09:07:47 +00:00

6.1 KiB

PG_COMM_DELAY

PG_COMM_DELAY displays the communication library delay status for a single DN.

Table 1 PG_COMM_DELAY columns

Name

Type

Description

node_name

text

Node name

remote_name

text

Name of the node with the maximum latency in connecting to the peer end.

remote_host

text

IP address of the peer.

stream_num

integer

Number of logical stream connections used by the current physical connection.

min_delay

integer

Minimum delay of the current physical connection. The unit is microsecond.

average

integer

Average delay of the current physical connection. The unit is microsecond.

max_delay

integer

Maximum delay of the current physical connection. The unit is microsecond.

NOTE:

If its value is -1, the latency detection has timed out. In this case, re-establish the connection between nodes and then perform the query.