PG_COMM_RECV_STREAM
PG_COMM_RECV_STREAM displays the receiving stream status of all the communication libraries for a single DN.
Table 1 PG_COMM_RECV_STREAM columns
Name | Type | Description |
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node_name | text | Node name |
local_tid | bigint | ID of the thread using this stream |
remote_name | text | Name of the peer node |
remote_tid | bigint | Peer thread ID |
idx | integer | Peer DN ID in the local DN |
sid | integer | Stream ID in the physical connection |
tcp_sock | integer | TCP socket used in the stream |
state | text | Status of the stream |
query_id | bigint | debug_query_id corresponding to the stream |
pn_id | integer | plan_node_id of the query executed by the stream |
send_smp | integer | smpid of the sender of the query executed by the stream |
recv_smp | integer | smpid of the receiver of the query executed by the stream |
recv_bytes | bigint | Total data volume received from the stream, in byte |
time | bigint | Current lifecycle service duration of the stream, in ms |
speed | bigint | Average receiving rate of the stream, in byte/s |
quota | bigint | Current communication quota value of the stream, in byte |
buff_usize | bigint | Current size of the data cache of the stream, in byte |
openGauss 2024-05-06 00:44:54