PG_TOTAL_MEMORY_DETAIL
PG_TOTAL_MEMORY_DETAIL displays the memory usage of a certain node in the database.
Table 1 PG_TOTAL_MEMORY_DETAIL columnsName | Type | Description |
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nodename | text | Node name |
memorytype | text | It can be set to any of the following values: max_process_memory: memory used by a GaussDB(DWS) cluster instance process_used_memory: memory used by a GaussDB(DWS) process max_dynamic_memory: maximum dynamic memory dynamic_used_memory: used dynamic memory dynamic_peak_memory: dynamic peak value of the memory 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_cstore_memory: maximum memory allowed for column store cstore_used_memory: memory used for column store max_sctpcomm_memory: maximum memory allowed for the communication library sctpcomm_used_memory: memory used for the communication library sctpcomm_peak_memory: memory peak of the communication library max_topsql_memory: maximum memory that can be used by Top SQL to record historical job monitoring information topsql_used_memory: memory used by Top SQL to record historical job monitoring information topsql_peak_memory: memory peak of Top SQL to record historical job monitoring information other_used_memory: other used memory gpu_max_dynamic_memory: maximum GPU memory gpu_dynamic_used_memory: sum of the available GPU memory and temporary GPU memory gpu_dynamic_peak_memory: maximum memory used for GPU pooler_conn_memory: memory used for pooler connections pooler_freeconn_memory: memory used for idle pooler connections storage_compress_memory: memory used for column-store compression and decompression udf_reserved_memory: memory reserved for the UDF Worker process mmap_used_memory: memory used for mmap
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memorymbytes | integer | Size of the used memory (MB) |