MySQL 8.0.32
Source Code Documentation
arch0arch.cc File Reference

Common implementation for redo log and dirty page archiver system. More...

#include "arch0arch.h"
#include "os0thread-create.h"

Functions

bool arch_wake_threads ()
 Wakes up archiver threads. More...
 
void arch_remove_file (const char *file_path, const char *file_name)
 Remove files related to page and log archiving. More...
 
void arch_remove_dir (const char *dir_path, const char *dir_name)
 Remove group directory and the files related to page and log archiving. More...
 
dberr_t arch_init ()
 Initialize Page and Log archiver system. More...
 
void arch_free ()
 Free Page and Log archiver system. More...
 
int start_log_archiver_background ()
 Start log archiver background thread. More...
 
int start_page_archiver_background ()
 Start page archiver background thread. More...
 
void log_archiver_thread ()
 Archiver background thread. More...
 

Variables

Arch_Log_Sysarch_log_sys = nullptr
 Log Archiver system global. More...
 
Arch_Page_Sysarch_page_sys = nullptr
 Page Archiver system global. More...
 
os_event_t log_archiver_thread_event
 Event to signal the log archiver thread. More...
 

Detailed Description

Common implementation for redo log and dirty page archiver system.

Function Documentation

◆ arch_free()

void arch_free ( )

Free Page and Log archiver system.

◆ arch_init()

dberr_t arch_init ( )

Initialize Page and Log archiver system.

Returns
error code

◆ arch_remove_dir()

void arch_remove_dir ( const char *  dir_path,
const char *  dir_name 
)

Remove group directory and the files related to page and log archiving.

Parameters
[in]dir_pathpath to the directory
[in]dir_namedirectory name

◆ arch_remove_file()

void arch_remove_file ( const char *  file_path,
const char *  file_name 
)

Remove files related to page and log archiving.

Parameters
[in]file_pathpath to the file
[in]file_namename of the file

◆ arch_wake_threads()

bool arch_wake_threads ( )

Wakes up archiver threads.

Returns
true iff any thread was still alive

◆ log_archiver_thread()

void log_archiver_thread ( )

Archiver background thread.

Log archiver background thread.

◆ start_log_archiver_background()

int start_log_archiver_background ( )

Start log archiver background thread.

Returns
error code

◆ start_page_archiver_background()

int start_page_archiver_background ( )

Start page archiver background thread.

Returns
error code

Variable Documentation

◆ arch_log_sys

Arch_Log_Sys* arch_log_sys = nullptr

Log Archiver system global.

Redo log archiver system global.

◆ arch_page_sys

Arch_Page_Sys* arch_page_sys = nullptr

Page Archiver system global.

Dirty page ID archiver system global.

◆ log_archiver_thread_event

os_event_t log_archiver_thread_event

Event to signal the log archiver thread.

Archiver thread event to signal that data is available.