1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
# Test for recovery based on multiple log files of different
# sizes. The sizes of log files are randomly chosen within
# the range 64kB .. 1 MB. Checkpointing is disabled and once
# we ran out of free log files, we crash and recover.
--source include/have_debug.inc
--source include/have_debug_sync.inc
--echo # Prepare schema used in the tests.
--source include/ib_log_spammer_init.inc
CREATE TABLE t (a INT) ENGINE=InnoDB;
--echo # Ensure there is a lot of free space in the redo log.
SET GLOBAL innodb_log_checkpoint_now = ON;
--echo # Disable checkpointing
SET GLOBAL innodb_checkpoint_disabled = ON;
SET GLOBAL DEBUG = '+d,log_force_consumption';
--echo # Pause any new log file productions
SET GLOBAL DEBUG = '+d,syncpoint_log_before_file_produced';
--echo # Get notified when a new log file is produced (since now).
SET GLOBAL DEBUG = '+d,syncpoint_log_after_file_produced';
--echo # Waiting until we have exactly 1 redo log file.
let MYSQLD_DATADIR=`SELECT @@datadir`;
let MYSQLD_IB_REDO_LOG_NON_TMP_FILES_COUNT_MAX = 1;
--source include/ib_redo_log_files_count_wait.inc
--echo # Create connection which generates spam to the redo log.
--connect(C1,localhost,root,,test)
--send CALL log_spammer()
--connection default
--echo # Redo log data is being generated.
--sleep 1
--echo # Wait until few log files are produced.
let $i = 5;
while ($i > 0) {
SET DEBUG_SYNC = 'now SIGNAL continue_log_before_file_produced WAIT_FOR reached_log_before_file_produced';
SET DEBUG_SYNC = 'now SIGNAL continue_log_after_file_produced WAIT_FOR reached_log_after_file_produced';
dec $i;
}
perl;
require 'include/ib_redo_log_files.inc';
my $n_files = scalar(log_get_non_tmp_files());
print "Redo files: $n_files\n";
EOF
SET GLOBAL DEBUG = '-d,syncpoint_log_before_file_produced';
SET GLOBAL DEBUG = '-d,syncpoint_log_after_file_produced';
SET DEBUG_SYNC = 'now SIGNAL continue_log_before_file_produced,continue_log_after_file_produced';
--echo # Create 1 row in t.
INSERT INTO t(a) VALUES(42);
--echo # Kill the MySQL and recover to see all is fine
--source include/kill_and_restart_mysqld.inc
SELECT * FROM t;
--echo # Cleanup.
SET DEBUG_SYNC = 'RESET';
DROP TABLE t;
--source include/ib_log_spammer_cleanup.inc
|
