198 lines
5.7 KiB
Plaintext
198 lines
5.7 KiB
Plaintext
Install clone plugin on recipient server
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INSTALL PLUGIN clone SONAME 'CLONE_PLUGIN';
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CREATE TABLE t_recipient(col1 INT PRIMARY KEY, col2 int);
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INSERT INTO t_recipient VALUES(1, 10);
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CREATE UNDO TABLESPACE undo_005 ADD DATAFILE 'undo_005.ibu';
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CREATE TABLESPACE tbs1_recipient ADD DATAFILE 'tbs1_data1.ibd';
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# Install clone plugin
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INSTALL PLUGIN clone SONAME 'CLONE_PLUGIN';
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## Create test schema
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CREATE TABLE t1(col1 INT PRIMARY KEY, col2 int, col3 varchar(64), col4 BLOB);
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CREATE TABLE t2(col1 INT PRIMARY KEY, col2 int, col3 varchar(64), col4 BLOB)
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PARTITION BY KEY(col1) PARTITIONS 5;
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CREATE PROCEDURE execute_dml(
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p_dml_type INT,
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p_key_min INT,
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p_key_range INT,
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p_loop_count INT,
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p_frequency INT,
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p_is_rand INT)
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BEGIN
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DECLARE v_idx INT DEFAULT 0;
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DECLARE v_commit INT DEFAULT 0;
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DECLARE v_key INT DEFAULT 0;
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/* Loop and INSERT data at random position */
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WHILE(v_idx < p_loop_count) DO
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/* Generate key between 1 to p_loop_count */
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IF p_is_rand = 1 THEN
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SET v_key = p_key_min + FLOOR(RAND() * p_key_range);
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ELSE
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SET v_key = p_key_min + (v_idx % p_key_range);
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END IF;
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CASE p_dml_type
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WHEN 0 THEN
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SET @clol3_text = CONCAT('Clone Test Row - ', v_key);
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INSERT INTO t1 VALUES(v_key, v_key * 10,
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@clol3_text, REPEAT('Large Column Data ', 2048))
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ON DUPLICATE KEY UPDATE col2 = col2 + 1;
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INSERT INTO t2 VALUES(v_key, v_key * 10,
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@clol3_text, REPEAT('Large Column Data ', 2048))
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ON DUPLICATE KEY UPDATE col2 = col2 + 1;
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WHEN 1 THEN
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UPDATE t1 SET col2 = v_idx + 1 WHERE col1 = v_key;
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UPDATE t2 SET col2 = v_idx + 1 WHERE col1 = v_key;
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WHEN 2 THEN
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DELETE FROM t1 WHERE col1 = v_key;
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DELETE FROM t2 WHERE col1 = v_key;
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ELSE
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DELETE FROM t1;
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DELETE FROM t2;
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END CASE;
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SET v_idx = v_idx + 1;
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/* Commit or rollback work at specified frequency. */
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IF v_idx % p_frequency = 0 THEN
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SET v_commit = FLOOR(RAND() * 2);
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IF v_commit = 0 AND p_is_rand = 1 THEN
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ROLLBACK;
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START TRANSACTION;
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ELSE
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COMMIT;
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START TRANSACTION;
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END IF;
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END IF;
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END WHILE;
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END|
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# Insert rows
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call execute_dml(0, 0, 100, 100, 10, 0);
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# Check base rows
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`col1` int(11) NOT NULL,
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`col2` int(11) DEFAULT NULL,
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`col3` varchar(64) DEFAULT NULL,
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`col4` blob,
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PRIMARY KEY (`col1`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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SELECT count(*) from t1;
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count(*)
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100
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SELECT col1, col2, col3 FROM t1 ORDER BY col1 LIMIT 10;
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col1 col2 col3
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0 0 Clone Test Row - 0
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1 10 Clone Test Row - 1
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2 20 Clone Test Row - 2
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3 30 Clone Test Row - 3
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4 40 Clone Test Row - 4
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5 50 Clone Test Row - 5
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6 60 Clone Test Row - 6
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7 70 Clone Test Row - 7
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8 80 Clone Test Row - 8
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9 90 Clone Test Row - 9
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SELECT col1, col2, col3 FROM t1 ORDER BY col1 DESC LIMIT 10;
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col1 col2 col3
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99 990 Clone Test Row - 99
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98 980 Clone Test Row - 98
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97 970 Clone Test Row - 97
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96 960 Clone Test Row - 96
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95 950 Clone Test Row - 95
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94 940 Clone Test Row - 94
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93 930 Clone Test Row - 93
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92 920 Clone Test Row - 92
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91 910 Clone Test Row - 91
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90 900 Clone Test Row - 90
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`col1` int(11) NOT NULL,
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`col2` int(11) DEFAULT NULL,
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`col3` varchar(64) DEFAULT NULL,
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`col4` blob,
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PRIMARY KEY (`col1`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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/*!50100 PARTITION BY KEY (col1)
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PARTITIONS 5 */
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SELECT count(*) from t2;
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count(*)
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100
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SELECT col1, col2, col3 FROM t2 ORDER BY col1 LIMIT 10;
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col1 col2 col3
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0 0 Clone Test Row - 0
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1 10 Clone Test Row - 1
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2 20 Clone Test Row - 2
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3 30 Clone Test Row - 3
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4 40 Clone Test Row - 4
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5 50 Clone Test Row - 5
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6 60 Clone Test Row - 6
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7 70 Clone Test Row - 7
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8 80 Clone Test Row - 8
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9 90 Clone Test Row - 9
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SELECT col1, col2, col3 FROM t2 ORDER BY col1 DESC LIMIT 10;
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col1 col2 col3
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99 990 Clone Test Row - 99
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98 980 Clone Test Row - 98
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97 970 Clone Test Row - 97
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96 960 Clone Test Row - 96
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95 950 Clone Test Row - 95
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94 940 Clone Test Row - 94
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93 930 Clone Test Row - 93
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92 920 Clone Test Row - 92
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91 910 Clone Test Row - 91
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90 900 Clone Test Row - 90
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# In connection con1 - Running Insert Random [100 - 200 Key range]
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call execute_dml(0, 100, 100, 100, 20, 1);
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# In connection con2 - Running Update Random [0 - 25 Key Range]
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call execute_dml(1, 0, 25, 100, 20, 1);
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# In connection default - Cloning database
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SET global debug="+d,clone_recovery_crash_point";
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SET GLOBAL clone_autotune_concurrency = OFF;
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SET GLOBAL clone_max_concurrency = 8;
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SET GLOBAL clone_valid_donor_list = 'HOST:PORT';
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CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY '' ;
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select ID, STATE, ERROR_NO, ERROR_MESSAGE from performance_schema.clone_status;
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ID STATE ERROR_NO ERROR_MESSAGE
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1 Failed 1815 Recovery failed. Please Retry Clone. For details, look into server error log.
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select ID, STAGE, STATE from performance_schema.clone_progress;
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ID STAGE STATE
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1 DROP DATA Completed
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1 FILE COPY Completed
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1 PAGE COPY Completed
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1 REDO COPY Completed
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1 FILE SYNC Completed
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1 RESTART Completed
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1 RECOVERY Failed
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SET global debug="-d,clone_recovery_crash_point";
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# In connection default - Finished Cloning
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# In connection con1 - Waiting
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# In connection con2 - Waiting
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# In connection default
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SHOW SCHEMAS;
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Database
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information_schema
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mysql
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performance_schema
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sys
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DROP TABLE t1;
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DROP TABLE t2;
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DROP PROCEDURE execute_dml;
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# Cleanup
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SET GLOBAL clone_autotune_concurrency = OFF;
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SET GLOBAL clone_max_concurrency = 8;
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SET GLOBAL clone_valid_donor_list = 'HOST:PORT';
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CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY '' ;
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select ID, STATE, ERROR_NO from performance_schema.clone_status;
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ID STATE ERROR_NO
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1 Completed 0
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select ID, STAGE, STATE from performance_schema.clone_progress;
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ID STAGE STATE
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1 DROP DATA Completed
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1 FILE COPY Completed
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1 PAGE COPY Completed
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1 REDO COPY Completed
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1 FILE SYNC Completed
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1 RESTART Completed
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1 RECOVERY Completed
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Uninstall clone plugin on recipient server
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UNINSTALL PLUGIN clone;
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UNINSTALL PLUGIN clone;
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