mariadb/mysql-test/suite/innodb/t/monitor.test

# This test used to be duplicated in the following:
# sys_vars.innodb_monitor_reset_basic
# sys_vars.innodb_monitor_reset_all_basic
# sys_vars.innodb_monitor_disable_basic
# sys_vars.innodb_monitor_enable_basic

--source include/have_innodb.inc
# Test turn on/off the monitor counter  with "all" option
# By default, they will be off.
select name, if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics;

set global innodb_monitor_disable = All;
select name from information_schema.innodb_metrics where enabled;

# Turn on all monitor counters
set global innodb_monitor_enable = all;

# status should all change to "enabled"
select name from information_schema.innodb_metrics where not enabled;

# Test wrong argument to the global configure option
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_monitor_enable = aaa;

# We require a valid monitor counter/module name. There is no default
# counter name or module. A warning will be printed asking user to
# specify a valid counter name.
#--disable_warnings
#set global innodb_monitor_enable = default;
#--enable_warnings

# Turn off all monitor counters, option name should be case
# insensitive
set global innodb_monitor_disable = All;

# status should all change to "disabled"
select name from information_schema.innodb_metrics where enabled;

# Reset all counter values
set global innodb_monitor_reset_all = all;

# count should all change to 0
select name from information_schema.innodb_metrics where count!=0;

# Test wildcard match, turn on all counters contain string "lock"
set  global innodb_monitor_enable = "%lock%";

# All lock related counter should be enabled
select name from information_schema.innodb_metrics
where enabled != (name like "%lock%");

# Disable them
set  global innodb_monitor_disable = "%lock%";

# All lock related counter should be disabled
select name, if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name like "%lock%";

# No match for "%lock*"
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_monitor_enable = "%lock*";

# All counters will be turned on with wildcard match string with all "%"
set global innodb_monitor_enable="%%%%%%%%%%%%%%%%%%%%%%%%%%%";

select name from information_schema.innodb_metrics where not enabled;

# Turn off all counters
set global innodb_monitor_disable="%%%%%";

select name from information_schema.innodb_metrics where enabled;

# One more round testing. All counters will be turned on with
# single wildcard character "%"
set global innodb_monitor_enable="%";

select name from information_schema.innodb_metrics where not enabled;

# Turn off all the counters with "%_%"
set global innodb_monitor_disable="%_%";

select name from information_schema.innodb_metrics where enabled;

# Turn on all counters start with "log"
set global innodb_monitor_enable="log%%%%";

select name from information_schema.innodb_metrics
where enabled != (name like "log%");

# Turn on counters "os_data_fsync" with wildcard match "os_%a_fs_ncs", "_"
# is single character wildcard match word
set global innodb_monitor_enable="os_%a_fs_ncs";

# Turn on counters whose name contains "os" and "pending" with
# wildcard match "os%pending%"
set global innodb_monitor_enable="os%pending%";

select name, if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name like "os%";

# Empty string is an invalid option
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_monitor_enable="";

--error ER_WRONG_VALUE_FOR_VAR
set global innodb_monitor_enable="_";

SET global innodb_monitor_disable = module_metadata;
SET global innodb_monitor_reset_all = module_metadata;

# Only turn on "table_open" counter
set global innodb_monitor_enable = metadata_table_handles_opened;

# Create a new table to test "metadata_table_handles_opened" counter
create table monitor_test(col int) engine = innodb;

# This will open the monitor_test table
select * from monitor_test;

# "metadata_table_handles_opened" should increment by 1
select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name = "metadata_table_handles_opened";

# Reset the counter value while counter is still on (started)
# This will reset value "count_reset" but not
# "count"
set global innodb_monitor_reset = metadata_table_handles_opened;

select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name = "metadata_table_handles_opened";

# re-create table again to increment "metadata_table_handles_opened" again
drop table monitor_test;

# Create a new table to test "metadata_table_handles_opened" counter
create table monitor_test(col int) engine = innodb;

select * from monitor_test;

# "metadata_table_handles_opened" should increment
select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name = "metadata_table_handles_opened";

# Cannot reset all monitor value while the counter is on
set global innodb_monitor_reset_all = metadata_table_handles_opened;

select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name = "metadata_table_handles_opened";

# Turn off the counter "metadata_table_handles_opened"
set global innodb_monitor_disable = metadata_table_handles_opened;

# Reset the counter value while counter is off (disabled)
set global innodb_monitor_reset = metadata_table_handles_opened;

select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name = "metadata_table_handles_opened";

# re-create table again. Since monitor is off, "metadata_table_handles_opened"
# should not be incremented
drop table monitor_test;

# Create a new table to test "metadata_table_handles_opened" counter
create table monitor_test(col int) engine = innodb;

# "metadata_table_handles_opened" should increment
select * from monitor_test;

select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name = "metadata_table_handles_opened";

# Reset all the counters, include those counter *_since_start
set global innodb_monitor_reset_all = metadata_table_handles_opened;

select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name = "metadata_table_handles_opened";

# Turn on "table_open" counter again
set global innodb_monitor_enable = metadata_table_handles_opened;

# Test metadata_table_handles_opened again to see if it is working correctly
# after above round of turning on/off/reset
drop table monitor_test;

# Create a new table to test "metadata_table_handles_opened" counter
create table monitor_test(col int) engine = innodb stats_persistent=0;

select * from monitor_test;

# "metadata_table_handles_opened" should increment
select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name like "metadata%";

# Reset counters only in "module_metadata" module
set global innodb_monitor_disable = module_metadata;

set global innodb_monitor_reset = module_metadata;

select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name like "metadata%";

set global innodb_monitor_reset_all = module_metadata;

select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name like "metadata%";

# Test Transaction Module
set global innodb_monitor_enable = module_trx;

begin;
insert into monitor_test values(9);
commit;

begin;
insert into monitor_test values(9);
rollback;

select name, max_count, min_count, count,
	max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name='trx_rollbacks';

set global innodb_monitor_disable = module_trx;

drop table monitor_test;

set global innodb_monitor_enable = file_num_open_files;

# Counters are unpredictable when innodb-file-per-table is on
--replace_column 2 # 3 # 4 # 5 # 6 # 7 #
select name, max_count, min_count, count,
       max_count_reset, min_count_reset, count_reset,
	if(enabled,'enabled','disabled') status
from information_schema.innodb_metrics
where name like "file_num_open_files";

set global innodb_monitor_disable = file_num_open_files;

# Test ICP module counters
set global innodb_monitor_enable = "icp%";

create table monitor_test(a char(3), b int, c char(2),
primary key (a(1), c(1)), key(b)) engine = innodb;

insert into monitor_test values("13", 2, "aa");

select a from monitor_test where b < 1 for update;

# should have icp_attempts = 1 and icp_out_of_range = 1
select name, count from information_schema.innodb_metrics
where name like "icp%";

# should have icp_attempts = 2 and icp_match = 1
select a from monitor_test where b < 3 for update;

select name, count from information_schema.innodb_metrics
where name like "icp%";

drop table monitor_test;
set global innodb_monitor_disable = All;
set global innodb_monitor_reset_all = all;

# Test for bug #13966091
select 1 from `information_schema`.`INNODB_METRICS`
where case (1) when (1) then (AVG_COUNT_RESET) else (1) end;

-- disable_warnings
set global innodb_monitor_enable = default;
set global innodb_monitor_disable = default;
set global innodb_monitor_reset = default;
set global innodb_monitor_reset_all = default;
-- enable_warnings

--echo #
--echo # Bug#22576241 SETTING INNODB_MONITOR_ENABLE TO ALL DOES NOT ENABLE ALL
--echo # MONITORS
--echo #
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB STATS_PERSISTENT=0;

let $innodb_monitor_enable = `SELECT @@innodb_monitor_enable`;

SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
LIKE 'buffer_page_written_index_leaf';

SET GLOBAL innodb_monitor_enable='module_buffer_page';
INSERT INTO t1 VALUES (1), (2), (3), (4); FLUSH TABLES t1 FOR EXPORT;
UNLOCK TABLES;
SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
LIKE 'buffer_page_written_index_leaf';

SET GLOBAL innodb_monitor_disable='module_buffer_page';
SET GLOBAL innodb_monitor_reset_all='module_buffer_page';
SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
LIKE 'buffer_page_written_index_leaf';

SET GLOBAL innodb_monitor_enable='%';
INSERT INTO t1 VALUES (5), (6), (7), (8); FLUSH TABLES t1 FOR EXPORT;
UNLOCK TABLES;
SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
LIKE 'buffer_page_written_index_leaf';

SET GLOBAL innodb_monitor_disable='%';
SET GLOBAL innodb_monitor_reset_all='%';
SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
LIKE 'buffer_page_written_index_leaf';

SET GLOBAL innodb_monitor_enable='ALL';
INSERT INTO t1 VALUES (9), (10), (11), (12); FLUSH TABLES t1 FOR EXPORT;
UNLOCK TABLES;
SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
LIKE 'buffer_page_written_index_leaf';

DROP TABLE t1;

CREATE TABLE fl0 (
  id INT NOT NULL PRIMARY KEY
) ENGINE = InnoDB;

CREATE TABLE fl1 (
  id INT NOT NULL PRIMARY KEY,
  fl0_id INT,
  CONSTRAINT `fkl0`
    FOREIGN KEY (fl0_id) REFERENCES fl0 (id)
    ON DELETE CASCADE
    ON UPDATE RESTRICT
) ENGINE = InnoDB;

CREATE TABLE fl2 (
  id INT NOT NULL PRIMARY KEY,
  fl1_id INT,
  CONSTRAINT `fkl1`
    FOREIGN KEY (fl1_id) REFERENCES fl1 (id)
    ON DELETE CASCADE
    ON UPDATE SET NULL
) ENGINE = InnoDB;

INSERT INTO fl0 VALUES (1000);
INSERT INTO fl1 VALUES (500, 1000), (1500, 1000);
INSERT INTO fl2 VALUES (200, 500), (800, 500), (1200, 1500), (1800, 1500);

CREATE TABLE t1(id INT PRIMARY KEY, a INT, b CHAR(1), UNIQUE KEY u(a,b))
ENGINE=InnoDB;

SET @start = (SELECT COUNT FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
= 'lock_rec_lock_created');

BEGIN;
INSERT INTO t1 VALUES(1,1,'a'),(2,9999,'b'),(3,10000,'c'),(4,4,'d');
DELETE FROM t1 WHERE a = 9999 AND b='b';
COMMIT;

# After MDEV-30225 is fixed, the above DELETE creates next-key lock during
# secondary index unique search. That's why the result of the following must
# be 1.
SET @end = (SELECT COUNT FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
= 'lock_rec_lock_created');
SELECT @end - @start;

--echo # Records must not be S/X-locked if a table is X-locked.
SET @start = @end;
# Tables will not be locked if autocommit is not 0.
# See OPTION_NOT_AUTOCOMMIT in ha_innobase::external_lock().
SET autocommit = 0;
BEGIN;
LOCK TABLE t1 WRITE;
SELECT * FROM t1;
SELECT * FROM t1 WHERE a>=10000;
SELECT * FROM t1 FOR UPDATE;
SELECT * FROM t1 WHERE a>=10000 FOR UPDATE;
UPDATE t1 SET b = 'b' WHERE id = 4;
UPDATE t1 SET b = 'b' WHERE a = 10000;
REPLACE INTO t1 VALUES (4,3,'a');
INSERT INTO t1 VALUES (3,1,'e') ON DUPLICATE KEY UPDATE b = 'b';
INSERT INTO t1 VALUES (5,5,'e');
DELETE FROM t1 WHERE a = 1 AND b='a';
DELETE FROM t1;
COMMIT;
UNLOCK TABLES;
SET @end = (SELECT COUNT FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME = 'lock_rec_lock_created');
SELECT @end - @start;

--echo # Records must not be S-locked if a table is S-locked.
SET @start = @end;
BEGIN;
LOCK TABLE t1 WRITE;
INSERT INTO t1 VALUES(1,1,'a'),(2,9999,'b'),(3,10000,'c'),(4,4,'d');
DELETE FROM t1 WHERE a = 9999 AND b='b';
COMMIT;
UNLOCK TABLES;
BEGIN;
LOCK TABLE t1 READ;
SELECT * FROM t1 LOCK IN SHARE MODE;
SELECT * FROM t1 WHERE a>=10000 LOCK IN SHARE MODE;
COMMIT;
UNLOCK TABLES;
SET @end = (SELECT COUNT FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME = 'lock_rec_lock_created');
SELECT @end - @start;

--echo # Records must not be S-locked for foreign keys enforcement
SET @start = @end;
BEGIN;
LOCK TABLE fl0 READ, fl1 READ, fl2 WRITE;
INSERT INTO fl2 VALUES (300, 500), (700, 500), (1300, 1500), (1700, 1500);
SELECT * FROM fl1 LOCK IN SHARE MODE;
COMMIT;
UNLOCK TABLES;
SET @end = (SELECT COUNT FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME = 'lock_rec_lock_created');
SELECT @end - @start;

--echo # Records must not be X-locked for foreign keys cascade
SET @start = @end;
BEGIN;
LOCK TABLE fl0 READ, fl1 WRITE, fl2 WRITE;
DELETE FROM fl1 WHERE id = 1500;
UPDATE fl1 SET id = 2500 WHERE id = 500;
COMMIT;
UNLOCK TABLES;
SET @end = (SELECT COUNT FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME = 'lock_rec_lock_created');
SELECT @end - @start;

SET autocommit = default;
DROP TABLE t1;
DROP TABLE fl2;
DROP TABLE fl1;
DROP TABLE fl0;

--disable_warnings
SET GLOBAL innodb_monitor_enable=default;
SET GLOBAL innodb_monitor_disable=default;
SET GLOBAL innodb_monitor_reset_all=default;
--enable_warnings