PG_TOTAL_MEMORY_DETAIL displays the memory usage of a certain node in the database.
Table 1 PG_TOTAL_MEMORY_DETAIL columns Name | Type | Description |
|---|
nodename | text | Node name |
memorytype | text | It can be set to any of the following values: - max_process_memory: memory used by a DWS cluster instance
- process_used_memory: memory used by a 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
|
memorymbytes | integer | Size of the used memory (MB) |