PG_COMM_STATUS

PG_COMM_STATUS displays the communication library status for a single DN.

**Table 1** PG_COMM_STATUS columns
Column	Type	Description
node_name	text	Node name
rxpck	bigint	Total number of packets received by the node communication library
txpck	bigint	Total number of packets sent by the node communication library
rxkB	bigint	Total number of kilobytes received by the node communication library
txkB	bigint	Total number of kilobytes sent by the node communication library
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 (send)	integer	Real-time usage of the communication agent sending thread
%USED (recv)	integer	Real-time usage of the communication agent receiving thread
%USED (CQ)	integer	Real-time usage of the thread for completing RDMA communication events
logic_conn	bigint	Total number of logical connections between DNs created on a node
create_process	bigint	Total number of subprocesses created for a process This column is available only in clusters of version 9.1.1.100 or later.
create_thread	bigint	Total number of subthreads created for a process This column is available only in clusters of version 9.1.1.100 or later.
create_conn	bigint	Total number of connections created for a process, including connections inside and outside a cluster This column is available only in clusters of version 9.1.1.100 or later.
accept_conn	bigint	Total number of connections received by a process, including connections inside and outside a cluster This column is available only in clusters of version 9.1.1.100 or later.