GLOBAL_CANDIDATE_STATUS
GLOBAL_CANDIDATE_STATUS displays the number of candidate buffers and buffer eviction information of all instances in the database.
Table 1 GLOBAL_GET_BGWRITER_STATUS columns
Name | Type | Description |
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node_name | text | Node name |
candidate_slots | integer | Number of pages in the candidate buffer chain of the current normal buffer pool |
get_buf_from_list | bigint | Number of times that pages are obtained from the candidate buffer chain during buffer eviction in the current normal buffer pool |
get_buf_clock_sweep | bigint | Number of times that pages are obtained from the original eviction solution during buffer eviction in the current normal buffer pool |
seg_candidate_slots | integer | Number of pages in the candidate buffer chain of the current segment buffer pool |
seg_get_buf_from_list | bigint | Number of times that pages are obtained from the candidate buffer chain during buffer eviction in the current segment buffer pool |
seg_get_buf_clock_sweep | bigint | Number of times that pages are obtained from the original eviction solution during buffer eviction in the current segment buffer pool |
openGauss 2024-11-22 00:52:56