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MDEV-25503 InnoDB hangs on startup during recovery

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InnoDB startup hangs if a DDL transaction needs to be
rolled back and a recovered transaction on statistics
tables exists. In that case, InnoDB should rollback
the transaction which holds locks on innodb_table_stats
or innodb_index_stats during trx_rollback_or_clean_recovered().
This commit is contained in:
Thirunarayanan Balathandayuthapani 2021-04-27 16:46:54 +05:30
commit b862377c3e
7 changed files with 69 additions and 2 deletions
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15
mysql-test/suite/innodb/r/innodb-alter-tempfile.result
View file

@ -50,3 +50,18 @@ Warnings:
Warning 1082 InnoDB: Table test/t1 contains 1 indexes inside InnoDB, which is different from the number of indexes 2 defined in the MariaDB
Warning 1082 InnoDB: Table test/t1 contains 1 indexes inside InnoDB, which is different from the number of indexes 2 defined in the MariaDB
DROP TABLE t1;
#
# MDEV-25503 InnoDB hangs on startup during recovery
#
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB STATS_PERSISTENT=1;
connect con1,localhost,root,,;
BEGIN;
DELETE FROM mysql.innodb_table_stats;
connect con2,localhost,root,,;
SET DEBUG_SYNC='inplace_after_index_build SIGNAL blocked WAIT_FOR ever';
ALTER TABLE t1 FORCE;
connection default;
SET DEBUG_SYNC='now WAIT_FOR blocked';
SELECT * FROM t1;
a
DROP TABLE t1;

22
mysql-test/suite/innodb/t/innodb-alter-tempfile.test
View file

@ -12,6 +12,8 @@
--source include/innodb_page_size.inc
--source include/have_debug_sync.inc
call mtr.add_suppression("Cannot find index f2 in InnoDB index dictionary.");
call mtr.add_suppression("InnoDB indexes are inconsistent with what defined in .frm for table .*");
call mtr.add_suppression("Table test/t1 contains 1 indexes inside InnoDB, which is different from the number of indexes 2 defined in the MariaDB .*");
@ -69,3 +71,23 @@ disconnect con1;
SHOW KEYS FROM t1;
DROP TABLE t1;
remove_files_wildcard $datadir/test #sql-*.frm;
--echo #
--echo # MDEV-25503 InnoDB hangs on startup during recovery
--echo #
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB STATS_PERSISTENT=1;
connect (con1,localhost,root,,);
BEGIN;
DELETE FROM mysql.innodb_table_stats;
connect (con2,localhost,root,,);
SET DEBUG_SYNC='inplace_after_index_build SIGNAL blocked WAIT_FOR ever';
send ALTER TABLE t1 FORCE;
connection default;
SET DEBUG_SYNC='now WAIT_FOR blocked';
--let $shutdown_timeout=0
--source include/restart_mysqld.inc
SELECT * FROM t1;
DROP TABLE t1;
remove_files_wildcard $datadir/test #sql-*.frm;