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InnoDB binlog files are now backed up along with other InnoDB data by mariadb-backup. The files are copied after backup locks have been released. Backup files created later than the backup LSN are skipped. Then during --prepare, any data missing from the hot-copied binlog files will be restored by the binlog recovery code, and any excess data written after the backup LSN will be zeroed out. A couple test cases test taking a consistent backup of a server with active traffic during the backup, by provisioning a slave from the restored binlog position and checking that the slave can replicate from the original master and get identical data. Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
40 lines
1 KiB
C++
40 lines
1 KiB
C++
#pragma once
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#include "my_global.h"
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#include "backup_mysql.h"
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#include "datasink.h"
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#include "thread_pool.h"
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#include "xtrabackup.h"
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#include <unordered_set>
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#include <string>
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#include <vector>
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namespace common_engine {
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class BackupImpl;
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class Backup {
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public:
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Backup(const char *datadir_path, ds_ctxt_t *datasink,
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std::vector<MYSQL *> &con_pool, ThreadPool &thread_pool);
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~Backup();
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Backup (Backup &&other) = delete;
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Backup & operator= (Backup &&other) = delete;
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Backup(const Backup &) = delete;
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Backup & operator= (const Backup &) = delete;
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bool scan(
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const std::unordered_set<table_key_t> &exclude_tables,
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std::unordered_set<table_key_t> *out_processed_tables,
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bool no_lock, bool collect_log_and_stats);
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bool copy_log_tables(bool finalize);
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bool copy_stats_tables();
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bool copy_engine_binlogs(const char *binlog_dir, lsn_t backup_lsn);
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bool wait_for_finish();
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bool close_log_tables();
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void set_post_copy_table_hook(const post_copy_table_hook_t &hook);
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private:
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BackupImpl *m_backup_impl;
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};
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} // namespace common_engine
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