PGXC_COMM_DELAY¶
PGXC_COMM_STATUS displays the communication library delay status for all the DNs.
Name | Type | Description |
|---|---|---|
node_name | text | Node name |
remote_name | text | Name of the peer node with the maximum connection latency. |
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. |