CALL sys.ps_setup_disable_thread(CONNECTION_ID());
summary
Disabled 1 thread
CALL sys.ps_setup_disable_thread(CONNECTION_ID());
summary
Disabled 1 thread
CALL sys.ps_setup_disable_thread(CONNECTION_ID());
summary
Disabled 1 thread
INSTALL PLUGIN clone SONAME 'CLONE_PLUGIN';
CALL sys.ps_setup_enable_instrument('%stage/innodb/clone%');
summary
Enabled X instruments
CALL sys.ps_setup_enable_instrument('statement/clone/%');
summary
Enabled X instruments
CALL sys.ps_setup_enable_consumer('events_statements%');
summary
Enabled X consumers
CALL sys.ps_setup_enable_consumer('events_stages%');
summary
Enabled X consumers
SELECT *
FROM performance_schema.setup_instruments
WHERE name LIKE "%stage/innodb/clone%"
OR name LIKE "statement/clone/%"
OR name LIKE "wait/io/file/innodb/innodb_clone_file"
ORDER BY NAME;
NAME	ENABLED	TIMED	PROPERTIES	VOLATILITY	DOCUMENTATION
stage/innodb/clone (file copy)	YES	YES	progress	0	NULL
stage/innodb/clone (page copy)	YES	YES	progress	0	NULL
stage/innodb/clone (redo copy)	YES	YES	progress	0	NULL
statement/clone/client	YES	YES		0	NULL
statement/clone/local	YES	YES		0	NULL
statement/clone/server	YES	YES		0	NULL
wait/io/file/innodb/innodb_clone_file	YES	YES		0	NULL
SELECT *
FROM performance_schema.setup_consumers
WHERE name LIKE "events_statements_%" OR name LIKE "events_stages_%"
ORDER BY NAME;
NAME	ENABLED
events_stages_current	YES
events_stages_history	YES
events_stages_history_long	YES
events_statements_current	YES
events_statements_history	YES
events_statements_history_long	YES
TRUNCATE TABLE performance_schema.events_stages_history;
TRUNCATE TABLE performance_schema.events_stages_history_long;
TRUNCATE TABLE performance_schema.events_statements_history;
TRUNCATE TABLE performance_schema.events_statements_history_long;
# Case 1 - Monitoring a normal Clone operation.
CALL sys.ps_setup_enable_thread(CONNECTION_ID());
summary
Enabled 1 thread
SET GLOBAL clone_autotune_concurrency = OFF;
SET GLOBAL clone_max_concurrency = 8;
SET GLOBAL clone_valid_donor_list = 'HOST:PORT';
CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY '' DATA DIRECTORY = 'CLONE_DATADIR';
select ID, STATE, ERROR_NO from performance_schema.clone_status;
ID	STATE	ERROR_NO
1	Completed	0
select ID, STAGE, STATE from performance_schema.clone_progress;
ID	STAGE	STATE
1	DROP DATA	Completed
1	FILE COPY	Completed
1	PAGE COPY	Completed
1	REDO COPY	Completed
1	FILE SYNC	Completed
1	RESTART	Not Started
1	RECOVERY	Not Started
SELECT EVENT_NAME, TIMER_START > 0, TIMER_END > 0, TIMER_WAIT > 0,
SQL_TEXT, CURRENT_SCHEMA
FROM performance_schema.events_statements_history_long
WHERE event_name LIKE "statement/clone/%"
ORDER BY EVENT_NAME;
EVENT_NAME	TIMER_START > 0	TIMER_END > 0	TIMER_WAIT > 0	SQL_TEXT	CURRENT_SCHEMA
statement/clone/client	1	1	1	CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY <secret> DATA DIRECTORY = '$CLONE_DATADIR'	test
statement/clone/server	1	1	1	NULL	NULL
SELECT EVENT_NAME, TIMER_START > 0,
TIMER_END > 0, WORK_COMPLETED = WORK_ESTIMATED
FROM performance_schema.events_stages_history_long
WHERE event_name LIKE "%stage/innodb/clone%"
ORDER BY EVENT_NAME;
EVENT_NAME	TIMER_START > 0	TIMER_END > 0	WORK_COMPLETED = WORK_ESTIMATED
stage/innodb/clone (file copy)	1	1	1
stage/innodb/clone (file copy)	1	1	1
stage/innodb/clone (page copy)	1	1	1
stage/innodb/clone (page copy)	1	1	1
stage/innodb/clone (redo copy)	1	1	1
stage/innodb/clone (redo copy)	1	1	1
TRUNCATE TABLE performance_schema.events_stages_history;
TRUNCATE TABLE performance_schema.events_stages_history_long;
TRUNCATE TABLE performance_schema.events_statements_history;
TRUNCATE TABLE performance_schema.events_statements_history_long;
# Case 2 - Monitoring Clone operation which has more estimated work
# during file and page copy stage than in a default run.
CREATE PROCEDURE prepare_data(IN val INT)
BEGIN
DECLARE i INT DEFAULT 0;
WHILE i < val DO
INSERT INTO t1 (b,c) VALUES (REPEAT(a,500), REPEAT(b,100));
INSERT INTO t2 (b,c) VALUES (REPEAT(a,500), REPEAT(b,100));
INSERT INTO t3 (b,c) VALUES (REPEAT(a,500), REPEAT(b,100));
SET i = i + 1;
END WHILE;
END|
CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b LONGBLOB, c LONGBLOB);
CREATE TABLE t2 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b LONGBLOB, c LONGBLOB);
CREATE TABLE t3 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b LONGBLOB, c LONGBLOB);
SET GLOBAL innodb_buf_flush_list_now = 1;
SET DEBUG_SYNC = 'clone_file_copy SIGNAL page_signal WAIT_FOR go_page';
SET DEBUG_SYNC = 'clone_page_copy SIGNAL redo_signal WAIT_FOR go_redo';
SET GLOBAL clone_autotune_concurrency = OFF;
SET GLOBAL clone_max_concurrency = 8;
SET GLOBAL clone_valid_donor_list = 'HOST:PORT';
CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY '' DATA DIRECTORY = 'CLONE_DATADIR';
SET DEBUG_SYNC = 'now WAIT_FOR page_signal';
CALL prepare_data(50);
SET GLOBAL innodb_buf_flush_list_now = 1;
SET DEBUG_SYNC = 'now SIGNAL go_page';
SET DEBUG_SYNC = 'now WAIT_FOR redo_signal';
SELECT EVENT_NAME, TIMER_START > 0, TIMER_END > 0, TIMER_WAIT > 0,
SQL_TEXT, CURRENT_SCHEMA
FROM performance_schema.events_statements_current
WHERE event_name LIKE "statement/clone/%"
ORDER BY EVENT_NAME;
EVENT_NAME	TIMER_START > 0	TIMER_END > 0	TIMER_WAIT > 0	SQL_TEXT	CURRENT_SCHEMA
statement/clone/client	1	1	1	CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY <secret> DATA DIRECTORY = '$CLONE_DATADIR'	test
statement/clone/server	1	1	1	NULL	NULL
CALL prepare_data(50);
SET DEBUG_SYNC = 'now SIGNAL go_redo';
SELECT EVENT_NAME, WORK_COMPLETED > 0, TIMER_START > 0,
TIMER_END > 0, WORK_COMPLETED = WORK_ESTIMATED
FROM performance_schema.events_stages_history_long
WHERE event_name LIKE "%stage/innodb/clone%"
ORDER BY EVENT_NAME;
EVENT_NAME	WORK_COMPLETED > 0	TIMER_START > 0	TIMER_END > 0	WORK_COMPLETED = WORK_ESTIMATED
stage/innodb/clone (file copy)	1	1	1	1
stage/innodb/clone (file copy)	1	1	1	1
stage/innodb/clone (page copy)	1	1	1	1
stage/innodb/clone (page copy)	1	1	1	1
stage/innodb/clone (redo copy)	1	1	1	1
stage/innodb/clone (redo copy)	1	1	1	1
SELECT EVENT_NAME, TIMER_START > 0, TIMER_END > 0, TIMER_WAIT > 0,
SQL_TEXT, CURRENT_SCHEMA
FROM performance_schema.events_statements_history_long
WHERE thread_id = sys.ps_thread_id(CONNECTION_ID())
AND event_name LIKE "statement/clone/%";
EVENT_NAME	TIMER_START > 0	TIMER_END > 0	TIMER_WAIT > 0	SQL_TEXT	CURRENT_SCHEMA
statement/clone/client	1	1	1	CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY <secret> DATA DIRECTORY = '$CLONE_DATADIR'	test
Warnings:
Note	1585	This function 'ps_thread_id' has the same name as a native function
SET DEBUG_SYNC='RESET';
TRUNCATE TABLE performance_schema.events_stages_history;
TRUNCATE TABLE performance_schema.events_stages_history_long;
TRUNCATE TABLE performance_schema.events_statements_history;
TRUNCATE TABLE performance_schema.events_statements_history_long;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
# Case 3 - Monitoring progress in the middle of file copy.
CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b INT);
CREATE TABLE t2 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b INT);
CREATE TABLE t3 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b INT);
SET DEBUG_SYNC = 'clone_file_copy SIGNAL file_signal WAIT_FOR go_file';
SET GLOBAL clone_autotune_concurrency = OFF;
SET GLOBAL clone_max_concurrency = 8;
SET GLOBAL clone_valid_donor_list = 'HOST:PORT';
CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY '' DATA DIRECTORY = 'CLONE_DATADIR';
SET DEBUG_SYNC= 'now WAIT_FOR file_signal';
SELECT EVENT_NAME, WORK_COMPLETED <= WORK_ESTIMATED
FROM performance_schema.events_stages_current
WHERE event_name LIKE "%file copy%"
ORDER BY EVENT_NAME;
EVENT_NAME	WORK_COMPLETED <= WORK_ESTIMATED
stage/innodb/clone (file copy)	1
stage/innodb/clone (file copy)	1
SET DEBUG_SYNC= 'now SIGNAL go_file';
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
TRUNCATE TABLE performance_schema.events_stages_history;
TRUNCATE TABLE performance_schema.events_stages_history_long;
TRUNCATE TABLE performance_schema.events_statements_history;
TRUNCATE TABLE performance_schema.events_statements_history_long;
# Case 4 - Monitoring progress in the middle of page copy.
CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b LONGBLOB, c LONGBLOB);
CREATE TABLE t2 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b LONGBLOB, c LONGBLOB);
CREATE TABLE t3 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b LONGBLOB, c LONGBLOB);
SET GLOBAL innodb_buf_flush_list_now = 1;
SET DEBUG_SYNC = 'clone_file_copy SIGNAL page_signal WAIT_FOR go_page';
SET DEBUG_SYNC = 'clone_page_copy SIGNAL page_middle_signal WAIT_FOR go_page_middle';
SET GLOBAL clone_autotune_concurrency = OFF;
SET GLOBAL clone_max_concurrency = 8;
SET GLOBAL clone_valid_donor_list = 'HOST:PORT';
CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY '' DATA DIRECTORY = 'CLONE_DATADIR';
SET DEBUG_SYNC = 'now WAIT_FOR page_signal';
CALL prepare_data(50);
SET GLOBAL innodb_buf_flush_list_now = 1;
SET DEBUG_SYNC = 'now SIGNAL go_page';
SET DEBUG_SYNC = 'now WAIT_FOR page_middle_signal';
SELECT EVENT_NAME, WORK_COMPLETED <= WORK_ESTIMATED
FROM performance_schema.events_stages_current
WHERE event_name LIKE "%page copy%"
ORDER BY EVENT_NAME;
EVENT_NAME	WORK_COMPLETED <= WORK_ESTIMATED
stage/innodb/clone (page copy)	1
stage/innodb/clone (page copy)	1
SET DEBUG_SYNC = 'now SIGNAL go_page_middle';
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
TRUNCATE TABLE performance_schema.events_stages_history;
TRUNCATE TABLE performance_schema.events_stages_history_long;
TRUNCATE TABLE performance_schema.events_statements_history;
TRUNCATE TABLE performance_schema.events_statements_history_long;
# Case 5 - Monitoring progress in the middle of redo copy.
CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b LONGBLOB, c LONGBLOB);
CREATE TABLE t2 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b LONGBLOB, c LONGBLOB);
CREATE TABLE t3 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b LONGBLOB, c LONGBLOB);
SET DEBUG_SYNC = 'clone_page_copy SIGNAL redo_signal WAIT_FOR go_redo';
SET DEBUG_SYNC = 'clone_redo_copy SIGNAL redo_middle_signal WAIT_FOR go_redo_middle';
SET GLOBAL clone_autotune_concurrency = OFF;
SET GLOBAL clone_max_concurrency = 8;
SET GLOBAL clone_valid_donor_list = 'HOST:PORT';
CLONE INSTANCE FROM USER@HOST:PORT IDENTIFIED BY '' DATA DIRECTORY = 'CLONE_DATADIR';
SET DEBUG_SYNC= 'now WAIT_FOR redo_signal';
CALL prepare_data(50);
SET DEBUG_SYNC= 'now SIGNAL go_redo';
SET DEBUG_SYNC = 'now WAIT_FOR redo_middle_signal';
SELECT EVENT_NAME, WORK_COMPLETED <= WORK_ESTIMATED
FROM performance_schema.events_stages_current
WHERE event_name LIKE "%redo copy%"
ORDER BY EVENT_NAME;
EVENT_NAME	WORK_COMPLETED <= WORK_ESTIMATED
stage/innodb/clone (redo copy)	1
stage/innodb/clone (redo copy)	1
SET DEBUG_SYNC = 'now SIGNAL go_redo_middle';
SET DEBUG_SYNC = 'RESET';
DROP PROCEDURE prepare_data;
USE test;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
UNINSTALL PLUGIN clone;