MySQL 9.0.0
Source Code Documentation
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The database buffer pool global types for the directory. More...
#include "os0event.h"
#include "sync0rw.h"
#include "ut0byte.h"
#include "ut0mutex.h"
#include "ut0rnd.h"
#include "ut0ut.h"
Go to the source code of this file.
Classes | |
class | page_id_t |
Page identifier. More... | |
Typedefs | |
typedef byte | buf_frame_t |
A buffer frame. More... | |
typedef ib_bpmutex_t | BPageMutex |
typedef ib_mutex_t | BufListMutex |
typedef ib_mutex_t | FlushListMutex |
typedef BPageMutex | BufPoolZipMutex |
typedef rw_lock_t | BPageLock |
Functions | |
bool | is_checksum_strict (srv_checksum_algorithm_t algo) |
bool | is_checksum_strict (ulint algo) |
std::ostream & | operator<< (std::ostream &out, const page_id_t &page_id) |
Print the given page_id_t object. More... | |
Variables | |
constexpr uint32_t | BUF_NO_CHECKSUM_MAGIC = 0xDEADBEEFUL |
Magic value to use instead of checksums when they are disabled. More... | |
std::atomic_uint32_t | buf_pool_resize_status_code |
Buffer pool resize status code and progress are tracked using these atomic variables to ensure thread synchronization between innodb_buffer_pool_size_update (raising srv_buf_resize_event) and buf_resize_thread (handling srv_buf_resize_event) More... | |
std::atomic_uint32_t | buf_pool_resize_status_progress |
#define | BUF_BUDDY_SIZES (UNIV_PAGE_SIZE_SHIFT - BUF_BUDDY_LOW_SHIFT) |
Actual number of buddy sizes based on current page size. More... | |
#define | BUF_BUDDY_HIGH (BUF_BUDDY_LOW << BUF_BUDDY_SIZES) |
twice the maximum block size of the buddy system; the underlying memory is aligned by this amount: this must be equal to UNIV_PAGE_SIZE More... | |
constexpr uint32_t | BUF_BUDDY_LOW_SHIFT = UNIV_ZIP_SIZE_SHIFT_MIN |
Parameters of binary buddy system for compressed pages (buf0buddy.h) More... | |
constexpr uint32_t | BUF_BUDDY_LOW = (1U << BUF_BUDDY_LOW_SHIFT) |
Smallest buddy page size. More... | |
constexpr uint32_t | BUF_BUDDY_SIZES_MAX |
Maximum number of buddy sizes based on the max page size. More... | |
The database buffer pool global types for the directory.
Created 11/17/1995 Heikki Tuuri
#define BUF_BUDDY_HIGH (BUF_BUDDY_LOW << BUF_BUDDY_SIZES) |
twice the maximum block size of the buddy system; the underlying memory is aligned by this amount: this must be equal to UNIV_PAGE_SIZE
#define BUF_BUDDY_SIZES (UNIV_PAGE_SIZE_SHIFT - BUF_BUDDY_LOW_SHIFT) |
Actual number of buddy sizes based on current page size.
typedef ib_bpmutex_t BPageMutex |
typedef byte buf_frame_t |
A buffer frame.
typedef ib_mutex_t BufListMutex |
typedef BPageMutex BufPoolZipMutex |
typedef ib_mutex_t FlushListMutex |
enum buf_flush_t : uint8_t |
enum buf_io_fix : uint8_t |
Enumerate possible status codes during buffer pool resize.
This is used to identify the resize status using the corresponding code.
enum buf_remove_t |
Algorithm to remove the pages for a tablespace from the buffer pool.
See buf_LRU_flush_or_remove_pages().
Alternatives for srv_checksum_algorithm, which can be changed by setting innodb_checksum_algorithm.
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inline |
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inline |
std::ostream & operator<< | ( | std::ostream & | out, |
const page_id_t & | page_id | ||
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Print the given page_id_t object.
[in,out] | out | the output stream |
[in] | page_id | the page_id_t object to be printed |
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constexpr |
Smallest buddy page size.
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constexpr |
Parameters of binary buddy system for compressed pages (buf0buddy.h)
Zip shift value for the smallest page size
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constexpr |
Maximum number of buddy sizes based on the max page size.
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constexpr |
Magic value to use instead of checksums when they are disabled.
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extern |
Buffer pool resize status code and progress are tracked using these atomic variables to ensure thread synchronization between innodb_buffer_pool_size_update (raising srv_buf_resize_event) and buf_resize_thread (handling srv_buf_resize_event)
Buffer pool resize status code and progress are tracked using these atomic variables to ensure thread synchronization between innodb_buffer_pool_size_update (raising srv_buf_resize_event) and buf_resize_thread (handling srv_buf_resize_event)
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extern |