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79d7ad02b7
This is based on a commit 281a0c9998
by Monty.
According to Monty, this:
- Galera should now be supported (needs testing)
- Enables ddl logging (so we can use it in the future)
- Flushes binary logs (we still must add code to copy them)
- mdl locks are consistent between mariadb-backup and backup command
- Give errors if backup command is done under a transaction, global
read lock or lock tables.
- Retry for MDL_BACKUP_WAIT_DDL (needed for
backup.backup_ddl_concurrent_verify)
Things to do (in addition to the things in Monty's earlier review):
- At backup_stage stage start, force rotate of aria log files. This
allows us to copy all old logs without any locks
- Copy all transactional tables and old aria logs under BACKUP_START (as
- maria-backup does)
- Copy the active aria log file under block commit (Only one file as aria
log rotation is disabled while backup is running.
- Improve speed of copying aria tables by copy files in up to 1M
blocks and run checksum on the blocks and only re-read blocks with
- wrong checksum.
- Copy non transactional files under BACKUP_START.
24 lines
889 B
C
24 lines
889 B
C
/* Copyright (c) 2018, 2026, MariaDB plc
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#pragma once
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enum backup_stages
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{
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BACKUP_ABORTED= -2, BACKUP_PREPARE= -1,
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BACKUP_START, BACKUP_FLUSH, BACKUP_WAIT_FOR_FLUSH, BACKUP_LOCK_COMMIT,
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BACKUP_END, BACKUP_FINISHED
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};
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