Help Center/ GaussDB/ Developer Guide(Distributed_V2.0-8.x)/ Schemas/ DBE_PERF Schema/ Memory/ MEMORY_NODE_NG_DETAIL
Updated on 2025-08-19 GMT+08:00
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MEMORY_NODE_NG_DETAIL

Table 1 describes the memory usage of a node group.

Table 1 MEMORY_NODE_NG_DETAIL columns

Name

Type

Description

ngname

text

Node group name.

memorytype

text
Memory name.
  • ng_total_memory: total memory configured in the node group.
  • ng_used_memory: used memory.
  • ng_estimate_memory: memory used by the optimizer for evaluation.
  • ng_foreignrp_memsize: memory configured in the foreign resource pool.
  • ng_foreignrp_usedsize: memory used by the foreign resource pool.
  • ng_foreignrp_peaksize: peak memory used by the foreign resource pool.
  • ng_foreignrp_mempct: percentage of the system memory configured in attributes of the foreign resource pool.
  • ng_foreignrp_estmsize: memory used by the optimizer for job evaluation in the foreign resource pool.

memorymbytes

integer

Size of the used memory in the unit of MB.
Parent topic: Memory