buf_LRU_stat_t Struct Reference

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...

Detailed Description

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.

Member Data Documentation

io

ulint buf_LRU_stat_t::io

Counter of buffer pool I/O operations.

unzip

ulint buf_LRU_stat_t::unzip

Counter of page_zip_decompress operations.

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The documentation for this struct was generated from the following file:

• storage/innobase/include/buf0lru.h