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MDEV-18733 MariaDB slow start after crash recovery

If InnoDB crash recovery was needed, the InnoDB function srv_start()
would invoke extra validation, reading something from every InnoDB
data file. This should be unnecessary now that MDEV-14717 made
RENAME operations crash-safe inside InnoDB (which can be
disabled in MariaDB 10.2 by setting innodb_safe_truncate=OFF).

dict_check_sys_tables(): Skip tables that would be dropped by
row_mysql_drop_garbage_tables(). Perform extra validation only
if innodb_safe_truncate=OFF, innodb_force_recovery=0 and
crash recovery was needed.

dict_load_table_one(): Validate the root page of the table.
In this way, we can deny access to corrupted or mismatching tables
not only after crash recovery, but also after a clean shutdown.
This commit is contained in:
Marko Mäkelä
2019-04-03 16:10:20 +03:00
parent 7984ea80de
commit cad56fbaba
20 changed files with 179 additions and 183 deletions

View File

@ -11,6 +11,7 @@ call mtr.add_suppression("InnoDB: The page \\[page id: space=[1-9][0-9]*, page n
call mtr.add_suppression("failed to read or decrypt \\[page id: space=[1-9][0-9]*, page number=[1-9][0-9]*\\]");
# Suppression for builds where file_key_management plugin is linked statically
call mtr.add_suppression("Couldn't load plugins from 'file_key_management");
call mtr.add_suppression("InnoDB: Table `test`\\.`t1` is corrupted");
--let $restart_parameters=--plugin-load-add=file_key_management.so --file-key-management --file-key-management-filename=$MYSQL_TEST_DIR/std_data/keys2.txt
--source include/restart_mysqld.inc