diff options
Diffstat (limited to 'storage/innobase/include/buf0buf.h')
| -rw-r--r-- | storage/innobase/include/buf0buf.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/storage/innobase/include/buf0buf.h b/storage/innobase/include/buf0buf.h index 20a76992b7d..3f7cc4fb516 100644 --- a/storage/innobase/include/buf0buf.h +++ b/storage/innobase/include/buf0buf.h @@ -68,6 +68,12 @@ struct fil_addr_t; #define BUF_EVICT_IF_IN_POOL 20 /*!< evict a clean block if found */ /* @} */ +/** If LRU list of a buf_pool is less than this size then LRU eviction +should not happen. This is because when we do LRU flushing we also put +the blocks on free list. If LRU list is very small then we can end up +in thrashing. */ +#define BUF_LRU_MIN_LEN 256 + # ifdef UNIV_DEBUG extern my_bool buf_disable_resize_buffer_pool_debug; /*!< if TRUE, resizing buffer pool is not allowed. */ @@ -491,7 +497,6 @@ ATTRIBUTE_COLD void buf_page_monitor(const buf_page_t &bpage, bool read); if needed. @param[in] size size in bytes @return aligned size */ -UNIV_INLINE ulint buf_pool_size_align( ulint size); @@ -2203,7 +2208,7 @@ struct CheckUnzipLRUAndLRUList { }; #endif /* UNIV_DEBUG */ -#include "buf0buf.ic" +#include "buf0buf.inl" #endif /* !UNIV_INNOCHECKSUM */ |