The buffer pool statistics structure. More...
#include <buf0buf.h>
Public Attributes | |
ulint | n_page_gets |
ulint | n_pages_read |
ulint | n_pages_written |
ulint | n_pages_created |
ulint | n_ra_pages_read |
ulint | n_ra_pages_evicted |
ulint | n_pages_made_young |
ulint | n_pages_not_made_young |
ulint buf_pool_stat_struct::n_page_gets |
number of page gets performed; also successful searches through the adaptive hash index are counted as page gets; this field is NOT protected by the buffer pool mutex
Definition at line 1569 of file buf0buf.h.
Referenced by btr_search_guess_on_hash(), buf_get_total_stat(), buf_page_get_gen(), buf_page_get_known_nowait(), buf_page_get_zip(), buf_page_optimistic_get(), buf_page_try_get_func(), and srv_export_innodb_status().
ulint buf_pool_stat_struct::n_pages_created |
number of pages created in the pool with no read
Definition at line 1577 of file buf0buf.h.
Referenced by buf_get_total_stat(), buf_page_create(), and srv_export_innodb_status().
ulint buf_pool_stat_struct::n_pages_made_young |
number of pages made young, in calls to buf_LRU_make_block_young()
Definition at line 1584 of file buf0buf.h.
Referenced by buf_get_total_stat(), and buf_LRU_make_block_young().
ulint buf_pool_stat_struct::n_pages_not_made_young |
number of pages not made young because the first access was not long enough ago, in buf_page_peek_if_too_old()
Definition at line 1586 of file buf0buf.h.
Referenced by buf_get_total_stat().
ulint buf_pool_stat_struct::n_pages_read |
number read operations
Definition at line 1575 of file buf0buf.h.
Referenced by buf_get_total_stat(), buf_page_io_complete(), srv_export_innodb_status(), and srv_master_thread().
ulint buf_pool_stat_struct::n_pages_written |
number write operations
Definition at line 1576 of file buf0buf.h.
Referenced by buf_get_total_stat(), buf_page_io_complete(), srv_export_innodb_status(), and srv_master_thread().
ulint buf_pool_stat_struct::n_ra_pages_evicted |
number of read ahead pages that are evicted without being accessed
Definition at line 1581 of file buf0buf.h.
Referenced by buf_get_total_stat(), and srv_export_innodb_status().
ulint buf_pool_stat_struct::n_ra_pages_read |
number of pages read in as part of read ahead
Definition at line 1579 of file buf0buf.h.
Referenced by buf_get_total_stat(), buf_read_ahead_linear(), and srv_export_innodb_status().