GLOBAL_COMM_STATUS
GLOBAL_COMM_STATUS displays the TCP proxy communications library status on all the DNs, as described in Table 1.
| 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 Kbyte/s. |
| txkbyte_rate | bigint | Sending rate of the communications library on the node, in Kbyte/s. |
| buffer | bigint | Size of the buffer of the Cmailbox. |
| memkbyte_libcomm | bigint | Communication memory size of the libcomm thread, in bytes. |
| memkbyte_libpq | bigint | Communication memory size of the libpq thread, 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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