MySQL 9.1.0
Source Code Documentation
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Statistics for selecting the LRU list for eviction. More...
#include <buf0lru.h>
Public Attributes | |
ulint | io |
Counter of buffer pool I/O operations. More... | |
ulint | unzip |
Counter of page_zip_decompress operations. More... | |
Statistics for selecting the LRU list for eviction.
These statistics are not 'of' LRU but 'for' LRU. We keep count of I/O and page_zip_decompress() operations. Based on the statistics we decide if we want to evict from buf_pool->unzip_LRU or buf_pool->LRU.
ulint buf_LRU_stat_t::io |
Counter of buffer pool I/O operations.
ulint buf_LRU_stat_t::unzip |
Counter of page_zip_decompress operations.