COMM_STATUS
COMM_STATUS displays the TCP proxy communications library status on a single DN.
| Name | Type | Description |
|---|---|---|
| node_name | text | Node name |
| rxpck_rate | integer | Receiving rate of the communications library on the node, in byte/s |
| txpck_rate | integer | Sending rate of the communications library on the node, in byte/s |
| rxkbyte_rate | bigint | Receiving rate of the communications library on the node, in KB/s |
| txkbyte_rate | bigint | Sending rate of the communications library on the node, in KB/s |
| buffer | bigint | Size of the buffer of the Cmailbox |
| memkbyte_libcomm | bigint | Communication memory size of the libcomm process, in bytes |
| memkbyte_libpq | bigint | Communication memory size of the libpq process, in bytes |
| 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. |
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