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| author | Jan Lindström <jan.lindstrom@mariadb.com> | 2022-03-03 18:51:12 +0200 |
|---|---|---|
| committer | Jan Lindström <jan.lindstrom@mariadb.com> | 2022-03-29 07:57:46 +0300 |
| commit | 207b64058a734a8a3a5388cd6c205c29924d702b (patch) | |
| tree | c2522a0a9898a7a7418ee1757cbf89c3134751c8 /sql/sql_class.cc | |
| parent | b2fa874e462e7352be173a3075a65e49f2fcc404 (diff) | |
| download | mariadb-git-bb-10.6-MDEV-24845-galera.tar.gz | |
MDEV-24845 : Oddities around innodb_fatal_semaphore_wait_threshold and global.innodb_disallow_writesbb-10.6-MDEV-24845-galera
We will remove variable innodb_disallow_writes because it is badly
designed and implemented. Parameter will be marked as removed.
Instead we will be using
* Galera provider is paused i.e. all commits will wait
* FLUSH TABLES WITH READ LOCK (FTWRL) to avoid any DDL during SST, this
global read lock i.e MDL_BACKUP_FTWRL1 will conflict MDL_BACKUP_DML
taken by InnoDB background threads doing writes. Similarly, it will conflict
with MBL_BACKUP_START used by mariabackup.
* We force flushing all dirty pages from buffer pool and force InnoDB checkpoint
* Encryption, purge, background statistics and FTS-optimize threads will
acquire MDL_BACKUP_DML before continuing. This will conflict with lock
acquired in FTWRL. Note that we will not use waiting. If MDL-lock can't be
acquired we will skip the operation.
handler.cc
handler.h
Add new API function ha_force_checkpoint to force checkpoint
inside InnoDB.
xtrabackup.cc
Remove INNODB_DISALLOW_WRITES code
mdl.cc
New functions to trylock and release global MDL lock.
wsrep_sst.cc
Force flushing all dirty pages from buffer pool and force InnoDB checkpoint
mysqld.cc
Mark innodb-disallow-writes variable as removed.
dict0stats.cc
dict_stats_func
Acquire backup lock and release it after we have done
fil0crypt.cc
fil_crypt_start_encrypting_space()
fil_crypt_thread()
Acquire backup lock and release it after we have done
fts0opt.cc
fts_optimize_sync_table()
fts_optimize_callback()
Acquire backup lock and release it after we have done
ha_innodb.cc
Remove all WITH_INNODB_DISALLOW_WRITES code
wsrep_force_checkpoint()
New API function to flush dirty pages from buffer pool and
force full checkpoint.
trx_purge,cc
trx_purge()
Acquire and release global MDL_BACKUP_DML lock
try
r
Diffstat (limited to 'sql/sql_class.cc')
| -rw-r--r-- | sql/sql_class.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/sql_class.cc b/sql/sql_class.cc index 1ce59dc9348..5a1a1004ef5 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -1,6 +1,6 @@ /* Copyright (c) 2000, 2015, Oracle and/or its affiliates. - Copyright (c) 2008, 2021, MariaDB Corporation. + Copyright (c) 2008, 2022, MariaDB Corporation. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by |