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|
# Test with log_buffer_write_completed_before_store
DROP DATABASE IF EXISTS dbredoopt;
CREATE DATABASE dbredoopt;
USE dbredoopt;
CREATE TABLE dbredoopt.t1
(col1 INT, col2 INT, c1 LONGBLOB, c2 LONGBLOB,
PRIMARY KEY(col1), INDEX `idx2` (col2),
INDEX `idx3` (c1(300),c2(200))
);
CREATE PROCEDURE dbredoopt.populate_t1()
BEGIN
DECLARE i INT DEFAULT 1;
while (i <= 500) DO
INSERT INTO dbredoopt.t1 values (i, i,REPEAT('a',5000), REPEAT('b',5000));
SET i = i + 1;
END WHILE;
END|
CREATE USER 'redo_wl_user'@'localhost';
GRANT ALL PRIVILEGES ON *.* TO 'redo_wl_user'@'localhost' WITH GRANT OPTION;
START TRANSACTION;
SELECT count(*) FROM dbredoopt.t1;
count(*)
0
call dbredoopt.populate_t1();
SELECT count(*) FROM dbredoopt.t1;
count(*)
500
SELECT col1 FROM dbredoopt.t1 LIMIT 10;
col1
1
2
3
4
5
6
7
8
9
10
COMMIT;
# Check rows which are not modified by parallel load
SELECT col1 FROM dbredoopt.t1 WHERE col1%50=0 AND (col1 < 501 AND col1 > 0 );
col1
50
100
150
200
250
300
350
400
450
500
# Wait till all mysql clients are connected
# Singal all mysql clients since each one is waiting for signal go_ahead
# with 'go_ahead' signal , all client suppose to resume in parallel
# Wait till all clients are over or server is gone
# restart
# Check rows which are not modified by parallel load
SELECT col1 FROM dbredoopt.t1 WHERE col1%50=0 AND (col1 < 501 AND col1 > 0 );
col1
50
100
150
200
250
300
350
400
450
500
# Check rows which are updated by parallel load
SELECT count(*)=0 FROM (SELECT col1,col2 FROM dbredoopt.t1 WHERE col1 NOT BETWEEN 1 AND 501 ) AS A WHERE (A.col1+A.col2) != 0 ;
count(*)=0
1
DROP DATABASE dbredoopt;
DROP USER 'redo_wl_user'@'localhost';
# Test with log_buffer_write_before_memcpy
DROP DATABASE IF EXISTS dbredoopt;
CREATE DATABASE dbredoopt;
USE dbredoopt;
CREATE TABLE dbredoopt.t1
(col1 INT, col2 INT, c1 LONGBLOB, c2 LONGBLOB,
PRIMARY KEY(col1), INDEX `idx2` (col2),
INDEX `idx3` (c1(300),c2(200))
);
CREATE PROCEDURE dbredoopt.populate_t1()
BEGIN
DECLARE i INT DEFAULT 1;
while (i <= 500) DO
INSERT INTO dbredoopt.t1 values (i, i,REPEAT('a',5000), REPEAT('b',5000));
SET i = i + 1;
END WHILE;
END|
CREATE USER 'redo_wl_user'@'localhost';
GRANT ALL PRIVILEGES ON *.* TO 'redo_wl_user'@'localhost' WITH GRANT OPTION;
START TRANSACTION;
SELECT count(*) FROM dbredoopt.t1;
count(*)
0
call dbredoopt.populate_t1();
SELECT count(*) FROM dbredoopt.t1;
count(*)
500
SELECT col1 FROM dbredoopt.t1 LIMIT 10;
col1
1
2
3
4
5
6
7
8
9
10
COMMIT;
# Check rows which are not modified by parallel load
SELECT col1 FROM dbredoopt.t1 WHERE col1%50=0 AND (col1 < 501 AND col1 > 0 );
col1
50
100
150
200
250
300
350
400
450
500
# Wait till all mysql clients are connected
# Singal all mysql clients since each one is waiting for signal go_ahead
# with 'go_ahead' signal , all client suppose to resume in parallel
# Wait till all clients are over or server is gone
# restart
# Check rows which are not modified by parallel load
SELECT col1 FROM dbredoopt.t1 WHERE col1%50=0 AND (col1 < 501 AND col1 > 0 );
col1
50
100
150
200
250
300
350
400
450
500
# Check rows which are updated by parallel load
SELECT count(*)=0 FROM (SELECT col1,col2 FROM dbredoopt.t1 WHERE col1 NOT BETWEEN 1 AND 501 ) AS A WHERE (A.col1+A.col2) != 0 ;
count(*)=0
1
DROP DATABASE dbredoopt;
DROP USER 'redo_wl_user'@'localhost';
# Test with log_buffer_set_first_record_group_before_update
DROP DATABASE IF EXISTS dbredoopt;
CREATE DATABASE dbredoopt;
USE dbredoopt;
CREATE TABLE dbredoopt.t1
(col1 INT, col2 INT, c1 LONGBLOB, c2 LONGBLOB,
PRIMARY KEY(col1), INDEX `idx2` (col2),
INDEX `idx3` (c1(300),c2(200))
);
CREATE PROCEDURE dbredoopt.populate_t1()
BEGIN
DECLARE i INT DEFAULT 1;
while (i <= 500) DO
INSERT INTO dbredoopt.t1 values (i, i,REPEAT('a',5000), REPEAT('b',5000));
SET i = i + 1;
END WHILE;
END|
CREATE USER 'redo_wl_user'@'localhost';
GRANT ALL PRIVILEGES ON *.* TO 'redo_wl_user'@'localhost' WITH GRANT OPTION;
START TRANSACTION;
SELECT count(*) FROM dbredoopt.t1;
count(*)
0
call dbredoopt.populate_t1();
SELECT count(*) FROM dbredoopt.t1;
count(*)
500
SELECT col1 FROM dbredoopt.t1 LIMIT 10;
col1
1
2
3
4
5
6
7
8
9
10
COMMIT;
# Check rows which are not modified by parallel load
SELECT col1 FROM dbredoopt.t1 WHERE col1%50=0 AND (col1 < 501 AND col1 > 0 );
col1
50
100
150
200
250
300
350
400
450
500
# Wait till all mysql clients are connected
# Singal all mysql clients since each one is waiting for signal go_ahead
# with 'go_ahead' signal , all client suppose to resume in parallel
# Wait till all clients are over or server is gone
# restart
# Check rows which are not modified by parallel load
SELECT col1 FROM dbredoopt.t1 WHERE col1%50=0 AND (col1 < 501 AND col1 > 0 );
col1
50
100
150
200
250
300
350
400
450
500
# Check rows which are updated by parallel load
SELECT count(*)=0 FROM (SELECT col1,col2 FROM dbredoopt.t1 WHERE col1 NOT BETWEEN 1 AND 501 ) AS A WHERE (A.col1+A.col2) != 0 ;
count(*)=0
1
DROP DATABASE dbredoopt;
DROP USER 'redo_wl_user'@'localhost';
|
