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MDEV-35304: Add Connects_Tried and Master_Retry_Count to SSS
When the IO thread (re)connect to a primary, no updates are available besides unique errors that cause the failure. These new `Master_info` numbers supplement SHOW SLAVE STATUS’s (most- recent) ‘Connecting’ state with statistics on (re)connect attempts: * `Connects_Tried`: how many retries have been attempted so far This was previously a local variable that only counted re-attempts; it’s now meaningful even after the “Connecting” state concludes. * `Master_Retry_Count` (from MDEV-25674): out of how many configured Side-note: Some of the tests updated by this commit dump the entire SHOW SLAVE STATUS, which might include non-deterministic entries. Reviewed-by: Kristian Nielsen <knielsen@knielsen-hq.org> Reviewed-by: Brandon Nesterenko <brandon.nesterenko@mariadb.com>
1 parent 7094a75 commit e2dbd9b

19 files changed

+374
-79
lines changed

‎mysql-test/include/check-testcase.inc‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -74,10 +74,12 @@ if ($tmp)
7474
--echo Slave_Non_Transactional_Groups #
7575
--echo Slave_Transactional_Groups #
7676
--echo Replicate_Rewrite_DB #
77+
--echo Connects_Tried #
78+
--echo Master_Retry_Count #
7779
}
7880
if (!$tmp) {
7981
# Note: after WL#5177, fields 13-18 shall not be filtered-out.
80-
--replace_column 4 # 5 # 6 # 7 # 8 # 9 # 10 # 13 # 14 # 15 # 16 # 17 # 18 # 22 # 23 # 24 # 25 # 26 # 40 # 41 # 42 # 44 # 51 # 52 # 53 # 54 #
82+
--replace_column 4 # 5 # 6 # 7 # 8 # 9 # 10 # 13 # 14 # 15 # 16 # 17 # 18 # 22 # 23 # 24 # 25 # 26 # 40 # 41 # 42 # 44 # 51 # 52 # 53 # 54 # 55 # 56 #
8183
query_vertical
8284
SHOW SLAVE STATUS;
8385
}

‎mysql-test/main/master_retry_count_basic.result‎

Lines changed: 41 additions & 29 deletions
Original file line numberDiff line numberDiff line change
@@ -1,67 +1,79 @@
11
# Use `--master-retry-count` when not specified
22
CHANGE MASTER 'named' TO master_host='example.com';
33
CHANGE MASTER TO master_host='127.0.0.1', master_ssl_verify_server_cert=0;
4-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
5-
FROM performance_schema.replication_connection_configuration;
6-
CHANNEL_NAME CONNECTION_RETRY_COUNT
7-
named 1
4+
SELECT Connection_name, Master_Retry_Count
5+
FROM information_schema.SLAVE_STATUS;
6+
Connection_name Master_Retry_Count
87
1
8+
named 1
99
# Replace when specified
1010
CHANGE MASTER 'named' TO master_retry_count=11;
1111
CHANGE MASTER TO master_retry_count=10;
12+
SELECT Connection_name, Master_Retry_Count
13+
FROM information_schema.SLAVE_STATUS;
14+
Connection_name Master_Retry_Count
15+
10
16+
named 11
17+
# Conventional views also show the configuations
18+
Connection_name = ''
19+
Connection_name = 'named'
20+
Master_Retry_Count = '10'
21+
Master_Retry_Count = '11'
22+
Master_Retry_Count = '10'
23+
Master_Retry_Count = '11'
1224
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
1325
FROM performance_schema.replication_connection_configuration;
1426
CHANNEL_NAME CONNECTION_RETRY_COUNT
1527
named 11
1628
10
1729
# Restore specified config on restart
1830
# restart: --skip-slave-start
19-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
20-
FROM performance_schema.replication_connection_configuration;
21-
CHANNEL_NAME CONNECTION_RETRY_COUNT
22-
named 11
31+
SELECT Connection_name, Master_Retry_Count
32+
FROM information_schema.SLAVE_STATUS;
33+
Connection_name Master_Retry_Count
2334
10
35+
named 11
2436
# Keep specified config on RESET REPLICA
2537
RESET REPLICA 'named';
2638
RESET REPLICA;
27-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
28-
FROM performance_schema.replication_connection_configuration;
29-
CHANNEL_NAME CONNECTION_RETRY_COUNT
30-
named 11
39+
SELECT Connection_name, Master_Retry_Count
40+
FROM information_schema.SLAVE_STATUS;
41+
Connection_name Master_Retry_Count
3142
10
43+
named 11
3244
# Don't replace when not specified
3345
CHANGE MASTER TO master_user='root';
3446
CHANGE MASTER 'named' TO master_user='root';
35-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
36-
FROM performance_schema.replication_connection_configuration;
37-
CHANNEL_NAME CONNECTION_RETRY_COUNT
38-
named 11
47+
SELECT Connection_name, Master_Retry_Count
48+
FROM information_schema.SLAVE_STATUS;
49+
Connection_name Master_Retry_Count
3950
10
51+
named 11
4052
# 0 internally means "not specified"
4153
CHANGE MASTER TO master_retry_count=0;
4254
CHANGE MASTER 'named' TO master_retry_count=0;
43-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
44-
FROM performance_schema.replication_connection_configuration;
45-
CHANNEL_NAME CONNECTION_RETRY_COUNT
46-
named 11
55+
SELECT Connection_name, Master_Retry_Count
56+
FROM information_schema.SLAVE_STATUS;
57+
Connection_name Master_Retry_Count
4758
10
59+
named 11
4860
# Truncates decimals
4961
CHANGE MASTER TO master_retry_count=0.5;
5062
CHANGE MASTER 'named' TO master_retry_count=0.5;
51-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
52-
FROM performance_schema.replication_connection_configuration;
53-
CHANNEL_NAME CONNECTION_RETRY_COUNT
54-
named 11
63+
SELECT Connection_name, Master_Retry_Count
64+
FROM information_schema.SLAVE_STATUS;
65+
Connection_name Master_Retry_Count
5566
10
67+
named 11
5668
# Caps values (such as UINT64_MAX + 1) to `--master-retry-count`'s max
5769
CHANGE MASTER TO master_retry_count=18446744073709551616;
5870
CHANGE MASTER 'named' TO master_retry_count=18446744073709551616;
59-
SELECT CHANNEL_NAME
60-
FROM performance_schema.replication_connection_configuration
61-
WHERE CONNECTION_RETRY_COUNT IN (4294967295, 18446744073709551615);
62-
CHANNEL_NAME
63-
named
71+
SELECT Connection_name
72+
FROM information_schema.SLAVE_STATUS
73+
WHERE Master_Retry_Count IN (4294967295, 18446744073709551615);
74+
Connection_name
6475

76+
named
6577
# Negative
6678
CHANGE MASTER TO master_retry_count=-1;
6779
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-1' at line 1

‎mysql-test/main/master_retry_count_basic.test‎

Lines changed: 28 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -1,57 +1,69 @@
11
# MDEV-25674: Test the `Master_Retry_Count` field of
2-
# CHANGE MASTER [name] TO (no feature testing)
2+
# CHANGE MASTER [name] TO and SHOW SLAVE [name] STATUS & co. (no feature testing)
33
# Two connections tests that the field is now per-connection.
44
--source include/have_perfschema.inc
55

66
--echo # Use `--master-retry-count` when not specified
77
CHANGE MASTER 'named' TO master_host='example.com';
88
CHANGE MASTER TO master_host='127.0.0.1', master_ssl_verify_server_cert=0;
9-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
10-
FROM performance_schema.replication_connection_configuration;
9+
SELECT Connection_name, Master_Retry_Count
10+
FROM information_schema.SLAVE_STATUS;
1111

1212
--echo # Replace when specified
1313
CHANGE MASTER 'named' TO master_retry_count=11;
1414
# Default master does not replace named master
1515
CHANGE MASTER TO master_retry_count=10;
16+
SELECT Connection_name, Master_Retry_Count
17+
FROM information_schema.SLAVE_STATUS;
18+
19+
--echo # Conventional views also show the configuations
20+
--let $all_slaves_status= 1
21+
--let $status_items= Connection_name, Master_Retry_Count
22+
--source include/show_slave_status.inc
23+
--let $all_slaves_status= 0
24+
--let $status_items= Master_Retry_Count
25+
--source include/show_slave_status.inc
26+
--let $slave_name= 'named'
27+
--source include/show_slave_status.inc
1628
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
1729
FROM performance_schema.replication_connection_configuration;
1830

1931
--echo # Restore specified config on restart
2032
--let $restart_parameters= --skip-slave-start
2133
--source include/restart_mysqld.inc # not_embedded
22-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
23-
FROM performance_schema.replication_connection_configuration;
34+
SELECT Connection_name, Master_Retry_Count
35+
FROM information_schema.SLAVE_STATUS;
2436

2537
--echo # Keep specified config on RESET REPLICA
2638
RESET REPLICA 'named';
2739
RESET REPLICA;
28-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
29-
FROM performance_schema.replication_connection_configuration;
40+
SELECT Connection_name, Master_Retry_Count
41+
FROM information_schema.SLAVE_STATUS;
3042

3143
--echo # Don't replace when not specified
3244
CHANGE MASTER TO master_user='root';
3345
CHANGE MASTER 'named' TO master_user='root';
34-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
35-
FROM performance_schema.replication_connection_configuration;
46+
SELECT Connection_name, Master_Retry_Count
47+
FROM information_schema.SLAVE_STATUS;
3648

3749
--echo # 0 internally means "not specified"
3850
CHANGE MASTER TO master_retry_count=0;
3951
CHANGE MASTER 'named' TO master_retry_count=0;
40-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
41-
FROM performance_schema.replication_connection_configuration;
52+
SELECT Connection_name, Master_Retry_Count
53+
FROM information_schema.SLAVE_STATUS;
4254

4355
--echo # Truncates decimals
4456
CHANGE MASTER TO master_retry_count=0.5;
4557
CHANGE MASTER 'named' TO master_retry_count=0.5;
46-
SELECT CHANNEL_NAME, CONNECTION_RETRY_COUNT
47-
FROM performance_schema.replication_connection_configuration;
58+
SELECT Connection_name, Master_Retry_Count
59+
FROM information_schema.SLAVE_STATUS;
4860

4961
--echo # Caps values (such as UINT64_MAX + 1) to `--master-retry-count`'s max
5062
CHANGE MASTER TO master_retry_count=18446744073709551616;
5163
CHANGE MASTER 'named' TO master_retry_count=18446744073709551616;
52-
SELECT CHANNEL_NAME
53-
FROM performance_schema.replication_connection_configuration
54-
WHERE CONNECTION_RETRY_COUNT IN (4294967295, 18446744073709551615);
64+
SELECT Connection_name
65+
FROM information_schema.SLAVE_STATUS
66+
WHERE Master_Retry_Count IN (4294967295, 18446744073709551615);
5567

5668
--echo # Negative
5769
--error ER_PARSE_ERROR

‎mysql-test/suite/funcs_1/r/is_columns_is.result‎

Lines changed: 13 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -390,23 +390,25 @@ def information_schema SESSION_STATUS VARIABLE_VALUE 2 NULL NO varchar 4096 1228
390390
def information_schema SESSION_VARIABLES VARIABLE_NAME 1 NULL NO varchar 64 192 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(64) select NEVER NULL NO NO
391391
def information_schema SESSION_VARIABLES VARIABLE_VALUE 2 NULL NO varchar 4096 12288 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(4096) select NEVER NULL NO NO
392392
def information_schema SLAVE_STATUS Connection_name 1 NULL NO varchar 64 192 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(64) select NEVER NULL NO NO
393+
def information_schema SLAVE_STATUS Connects_Tried 57 NULL NO bigint NULL NULL 20 0 NULL NULL NULL bigint(20) unsigned select NEVER NULL NO NO
393394
def information_schema SLAVE_STATUS Connect_Retry 7 NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
394-
def information_schema SLAVE_STATUS Executed_log_entries59NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
395+
def information_schema SLAVE_STATUS Executed_log_entries61NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
395396
def information_schema SLAVE_STATUS Exec_Master_Log_Pos 24 NULL NO bigint NULL NULL 20 0 NULL NULL NULL bigint(20) unsigned select NEVER NULL NO NO
396397
def information_schema SLAVE_STATUS Gtid_IO_Pos 46 NULL NO varchar 21844 65532 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(21844) select NEVER NULL NO NO
397-
def information_schema SLAVE_STATUS Gtid_Slave_Pos62NULL NO varchar 21844 65532 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(21844) select NEVER NULL NO NO
398+
def information_schema SLAVE_STATUS Gtid_Slave_Pos64NULL NO varchar 21844 65532 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(21844) select NEVER NULL NO NO
398399
def information_schema SLAVE_STATUS Last_Errno 21 NULL NO smallint NULL NULL 5 0 NULL NULL NULL smallint(4) unsigned select NEVER NULL NO NO
399400
def information_schema SLAVE_STATUS Last_Error 22 NULL YES varchar 1024 3072 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(1024) select NEVER NULL NO NO
400401
def information_schema SLAVE_STATUS Last_IO_Errno 37 NULL NO smallint NULL NULL 5 0 NULL NULL NULL smallint(4) unsigned select NEVER NULL NO NO
401402
def information_schema SLAVE_STATUS Last_IO_Error 38 NULL YES varchar 1024 3072 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(1024) select NEVER NULL NO NO
402403
def information_schema SLAVE_STATUS Last_SQL_Errno 39 NULL NO smallint NULL NULL 5 0 NULL NULL NULL smallint(4) unsigned select NEVER NULL NO NO
403404
def information_schema SLAVE_STATUS Last_SQL_Error 40 NULL YES varchar 1024 3072 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(1024) select NEVER NULL NO NO
404405
def information_schema SLAVE_STATUS Master_Host 4 NULL YES varchar 255 765 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(255) select NEVER NULL NO NO
405-
def information_schema SLAVE_STATUS Master_last_event_time63NULL YES datetime NULL NULL NULL NULL 0 NULL NULL datetime select NEVER NULL NO NO
406+
def information_schema SLAVE_STATUS Master_last_event_time65NULL YES datetime NULL NULL NULL NULL 0 NULL NULL datetime select NEVER NULL NO NO
406407
def information_schema SLAVE_STATUS Master_Log_File 8 NULL NO varchar 512 1536 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(512) select NEVER NULL NO NO
407408
def information_schema SLAVE_STATUS Master_Port 6 NULL NO smallint NULL NULL 5 0 NULL NULL NULL smallint(5) unsigned select NEVER NULL NO NO
409+
def information_schema SLAVE_STATUS Master_Retry_Count 58 NULL NO bigint NULL NULL 20 0 NULL NULL NULL bigint(20) unsigned select NEVER NULL NO NO
408410
def information_schema SLAVE_STATUS Master_Server_Id 42 NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
409-
def information_schema SLAVE_STATUS Master_Slave_time_diff65NULL YES int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
411+
def information_schema SLAVE_STATUS Master_Slave_time_diff67NULL YES int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
410412
def information_schema SLAVE_STATUS Master_SSL_Allowed 29 NULL YES varchar 7 21 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(7) select NEVER NULL NO NO
411413
def information_schema SLAVE_STATUS Master_SSL_CA_File 30 NULL YES varchar 512 1536 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(512) select NEVER NULL NO NO
412414
def information_schema SLAVE_STATUS Master_SSL_CA_Path 31 NULL YES varchar 512 1536 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(512) select NEVER NULL NO NO
@@ -417,7 +419,7 @@ def information_schema SLAVE_STATUS Master_SSL_Crlpath 44 NULL YES varchar 512 1
417419
def information_schema SLAVE_STATUS Master_SSL_Key 34 NULL YES varchar 512 1536 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(512) select NEVER NULL NO NO
418420
def information_schema SLAVE_STATUS Master_SSL_Verify_Server_Cert 36 NULL NO varchar 3 9 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(3) select NEVER NULL NO NO
419421
def information_schema SLAVE_STATUS Master_User 5 NULL YES varchar 384 1152 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(384) select NEVER NULL NO NO
420-
def information_schema SLAVE_STATUS Max_relay_log_size58NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
422+
def information_schema SLAVE_STATUS Max_relay_log_size60NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
421423
def information_schema SLAVE_STATUS Parallel_Mode 49 NULL NO varchar 12 36 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(12) select NEVER NULL NO NO
422424
def information_schema SLAVE_STATUS Read_Master_Log_Pos 9 NULL NO bigint NULL NULL 20 0 NULL NULL NULL bigint(20) unsigned select NEVER NULL NO NO
423425
def information_schema SLAVE_STATUS Relay_Log_File 10 NULL NO varchar 512 1536 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(512) select NEVER NULL NO NO
@@ -434,16 +436,16 @@ def information_schema SLAVE_STATUS Replicate_Ignore_Table 18 NULL NO varchar 21
434436
def information_schema SLAVE_STATUS Replicate_Rewrite_DB 56 NULL NO varchar 21844 65532 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(21844) select NEVER NULL NO NO
435437
def information_schema SLAVE_STATUS Replicate_Wild_Do_Table 19 NULL NO varchar 21844 65532 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(21844) select NEVER NULL NO NO
436438
def information_schema SLAVE_STATUS Replicate_Wild_Ignore_Table 20 NULL NO varchar 21844 65532 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(21844) select NEVER NULL NO NO
437-
def information_schema SLAVE_STATUS Retried_transactions57NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
439+
def information_schema SLAVE_STATUS Retried_transactions59NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
438440
def information_schema SLAVE_STATUS Seconds_Behind_Master 35 NULL YES bigint NULL NULL 20 0 NULL NULL NULL bigint(20) unsigned select NEVER NULL NO NO
439441
def information_schema SLAVE_STATUS Skip_Counter 23 NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
440442
def information_schema SLAVE_STATUS Slave_DDL_Groups 53 NULL NO bigint NULL NULL 20 0 NULL NULL NULL bigint(20) unsigned select NEVER NULL NO NO
441-
def information_schema SLAVE_STATUS Slave_heartbeat_period61NULL NO float NULL NULL 9 3 NULL NULL NULL float(9,3) select NEVER NULL NO NO
443+
def information_schema SLAVE_STATUS Slave_heartbeat_period63NULL NO float NULL NULL 9 3 NULL NULL NULL float(9,3) select NEVER NULL NO NO
442444
def information_schema SLAVE_STATUS Slave_IO_Running 13 NULL NO varchar 10 30 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(10) select NEVER NULL NO NO
443445
def information_schema SLAVE_STATUS Slave_IO_State 3 NULL YES varchar 64 192 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(64) select NEVER NULL NO NO
444-
def information_schema SLAVE_STATUS Slave_last_event_time64NULL YES datetime NULL NULL NULL NULL 0 NULL NULL datetime select NEVER NULL NO NO
446+
def information_schema SLAVE_STATUS Slave_last_event_time66NULL YES datetime NULL NULL NULL NULL 0 NULL NULL datetime select NEVER NULL NO NO
445447
def information_schema SLAVE_STATUS Slave_Non_Transactional_Groups 54 NULL NO bigint NULL NULL 20 0 NULL NULL NULL bigint(20) unsigned select NEVER NULL NO NO
446-
def information_schema SLAVE_STATUS Slave_received_heartbeats60NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
448+
def information_schema SLAVE_STATUS Slave_received_heartbeats62NULL NO int NULL NULL 10 0 NULL NULL NULL int(10) unsigned select NEVER NULL NO NO
447449
def information_schema SLAVE_STATUS Slave_SQL_Running 14 NULL NO varchar 3 9 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(3) select NEVER NULL NO NO
448450
def information_schema SLAVE_STATUS Slave_SQL_Running_State 52 NULL YES varchar 21844 65532 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(21844) select NEVER NULL NO NO
449451
def information_schema SLAVE_STATUS Slave_SQL_State 2 NULL YES varchar 64 192 NULL NULL NULL utf8mb3 utf8mb3_general_ci varchar(64) select NEVER NULL NO NO
@@ -1120,6 +1122,8 @@ NULL information_schema SLAVE_STATUS Slave_DDL_Groups bigint NULL NULL NULL NULL
11201122
NULL information_schema SLAVE_STATUS Slave_Non_Transactional_Groups bigint NULL NULL NULL NULL bigint(20) unsigned
11211123
NULL information_schema SLAVE_STATUS Slave_Transactional_Groups bigint NULL NULL NULL NULL bigint(20) unsigned
11221124
3.0000 information_schema SLAVE_STATUS Replicate_Rewrite_DB varchar 21844 65532 utf8mb3 utf8mb3_general_ci varchar(21844)
1125+
NULL information_schema SLAVE_STATUS Connects_Tried bigint NULL NULL NULL NULL bigint(20) unsigned
1126+
NULL information_schema SLAVE_STATUS Master_Retry_Count bigint NULL NULL NULL NULL bigint(20) unsigned
11231127
NULL information_schema SLAVE_STATUS Retried_transactions int NULL NULL NULL NULL int(10) unsigned
11241128
NULL information_schema SLAVE_STATUS Max_relay_log_size int NULL NULL NULL NULL int(10) unsigned
11251129
NULL information_schema SLAVE_STATUS Executed_log_entries int NULL NULL NULL NULL int(10) unsigned

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