Updated on 2024-05-07 GMT+08:00

PGXC_TOTAL_MEMORY_DETAIL

PGXC_TOTAL_MEMORY_DETAIL displays memory usage in the cluster. The query can be performed only on the CN. The execute direct on (dn)'select * from PGXC_TOTAL_MEMORY_DETAIL'; statement is not supported. Only users with the sysadmin and monitor admin permissions can query this view.

Table 1 PGXC_TOTAL_MEMORY_DETAIL columns

Name

Type

Description

nodename

text

Node name.

memorytype

text

Memory name.
  • max_process_memory: memory occupied by a GaussDB cluster instance.
  • process_used_memory: memory occupied by a GaussDB process.
  • max_dynamic_memory: maximum dynamic memory.
  • dynamic_used_memory: used dynamic memory.
  • dynamic_peak_memory: dynamic memory peak.
  • dynamic_used_shrctx: maximum dynamic shared memory context.
  • dynamic_peak_shrctx: dynamic peak value of the shared memory context.
  • max_shared_memory: maximum shared memory.
  • shared_used_memory: used shared memory.
  • max_sctpcomm_memory: maximum memory allowed for the communications library.
  • sctpcomm_used_memory: memory used by the communications library.
  • sctpcomm_peak_memory: memory peak of the communications library.
  • other_used_memory: other used memory.

memorymbytes

integer

Size of the used memory, in MB.