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Updated on 2025-08-19 GMT+08:00
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GS_TOTAL_NODEGROUP_MEMORY_DETAIL

GS_TOTAL_NODEGROUP_MEMORY_DETAIL returns the memory usage (in MB) of the current logical instance of the database. If the GUC parameter enable_memory_limit is set to off, this view is unavailable.

Table 1 GS_TOTAL_NODEGROUP_MEMORY_DETAIL columns

Name

Type

Description

ngname

text

Logical instance name.

memorytype

text
Memory type. The value must be one of the following:
  • ng_total_memory: total memory of the logical instance.
  • ng_used_memory: memory usage of the logical instance.
  • ng_estimate_memory: estimated memory usage of the logical instance.
  • ng_foreignrp_memsize: total memory of the external resource pool of the logical instance.
  • ng_foreignrp_usedsize: memory usage of the external resource pool of the logical instance.
  • ng_foreignrp_peaksize: peak memory usage of the external resource pool of the logical instance.
  • ng_foreignrp_mempct: percentage of the external resource pool of the logical instance to the total memory of the logical instance.
  • ng_foreignrp_estmsize: estimated memory usage of the external resource pool of the logical instance.

memorymbytes

integer

Size of allocated memory-typed memory.
Parent topic: System Views