PG_COMM_STATUS
PG_COMM_STATUS displays the communication library status for a single DN.
Name |
Type |
Description |
---|---|---|
node_name |
text |
Specifies the node name. |
rxpck/s |
integer |
Receiving rate of the communication library on a node. The unit is byte/s. |
txpck/s |
integer |
Sending rate of the communication library on a node. The unit is byte/s. |
rxkB/s |
bigint |
Receiving rate of the communication library on a node. The unit is KB/s. |
txkB/s |
bigint |
Sending rate of the communication library on a node. The unit is KB/s. |
buffer |
bigint |
Size of the buffer of the Cmailbox. |
memKB(libcomm) |
bigint |
Communication memory size of the libcomm process, in KB. |
memKB(libpq) |
bigint |
Communication memory size of the libpq process, in KB. |
%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. |
Feedback
Was this page helpful?
Provide feedbackThank you very much for your feedback. We will continue working to improve the documentation.