# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html
#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
#
# Remove the leading "# " to disable binary logging
# Binary logging captures changes between backups and is enabled by
# default. It's default setting is log_bin=binlog
# disable_log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
#
# Remove leading # to revert to previous value for default_authentication_plugin,
# this will increase compatibility with older clients. For background, see:
# https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin
# default-authentication-plugin=mysql_native_password
##########################################
#mkdir -p /data/mysql
#mkdir -p /data/mysql_binlog
#mkdir -p /data/mysql_sys_temp_dir
#chown -R mysql.mysql /data/mysql
#chown -R mysql.mysql /data/mysql_binlog
#chown -R mysql.mysql /data/mysql_sys_temp_dir
#chmod 755 /data/mysql
#chmod 755 /data/mysql_binlog
#chmod 755 /data/mysql_sys_temp_dir
##########################################
[mysql]
default_character_set =utf8mb4
socket=/data/mysql/mysql.sock
[mysqld@01]
###0、 base DIR
################################################
port=3306
mysqlx_port=33060
lower_case_table_names=1
datadir=/data/mysql
mysqlx_socket=/data/mysql/mysqlx.sock
socket=/data/mysql/mysql.sock
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
skip_name_resolve=ON
###tmpdir
tmpdir=/data/mysql_sys_temp_dir
innodb_tmpdir=/data/mysql_sys_temp_dir
slave_load_tmpdir=/data/mysql_sys_temp_dir
max_heap_table_size=2g
tmp_table_size=2g
###1、 slow 300ms
################################################
long_query_time=0.6
slow_query_log=ON
log_queries_not_using_indexes=OFF
slow_query_log_file=/data/mysql/localhost-slow.log
###2、binlog gtid\复制优化：
################################################
#expire-logs-days=7
#independ dir /data/mysql_binlog
log_bin=/data/mysql_binlog/binlog
log_bin_index=/data/mysql_binlog/binlog.index
binlog_expire_logs_seconds=604800
binlog_format = ROW
log_timestamps = SYSTEM
gtid-mode = ON
enforce-gtid-consistency = ON
server_id = 1000
log-slave-updates=ON
skip_slave_start=ON
relay_log_recovery=ON
slave_preserve_commit_order=ON
slave-parallel-type=LOGICAL_CLOCK
slave-parallel-workers=16
binlog_transaction_dependency_tracking = WRITESET
###3、REDO日志缓冲、COMMIT参数：
################################################
## 大日志 800M
##【2000、20000、64000】
innodb_log_file_size = 800M
innodb_log_files_in_group = 5
max_binlog_size = 4096M
innodb_io_capacity = 10000
innodb_io_capacity_max = 80000
innodb_log_buffer_size = 1024M
innodb_flush_log_at_trx_commit = 2
autocommit=ON
sync_binlog=200
#transaction-isolation=REPEATABLE-READ
transaction-isolation=READ-COMMITTED
####4、线程和调度类参数
################################################
innodb_thread_concurrency=192
thread_cache_size=256
innodb_read_io_threads=80
innodb_write_io_threads=64
innodb_purge_threads=8
#innodb_thread_sleep_delay = 1000
innodb_adaptive_max_sleep_delay=1200000
####5、buffer类参数 96g/128GB
################################################
innodb_buffer_pool_size = 16g
innodb_buffer_pool_instances=2
innodb_change_buffer_max_size = 50
innodb_sort_buffer_size=32M
innodb_max_dirty_pages_pct = 60
innodb_max_dirty_pages_pct_lwm = 10
###6、内存LRU算法相关：
################################################
innodb_old_blocks_pct = 25
innodb_old_blocks_time = 2000
innodb_lru_scan_depth = 4096
###7、索引等其他非典型参数
################################################
##innodb_flush_method = fsync 默认
innodb_use_native_aio = ON
innodb_adaptive_hash_index = ON
max_allowed_packet=1G
###8、表和文件参数
################################################
innodb_file_per_table=1
innodb_open_files=50000
table_open_cache =50000
table_definition_cache=50000
table_open_cache_instances=32
###9、超时与连接参数等其他参数：
################################################
max_connections=20000
max_connect_errors=10000
connect_timeout =8
interactive_timeout=1000
###10、字符集、排序：
################################################
character-set-server =utf8mb4
collation-server =utf8mb4_0900_as_cs
###11、安全密码：
################################################
local_infile=OFF
secure_file_priv=/data/mysql_sys_temp_dir
validate_password.length=10
validate_password.policy=MEDIUM
validate_password.special_char_count=2
validate_password.mixed_case_count=2
validate_password.number_count=2
##########################################
#mkdir -p /data/mysql02
#mkdir -p /data/mysql02_binlog
#mkdir -p /data/mysql02_sys_temp_dir
#chown -R mysql.mysql /data/mysql02
#chown -R mysql.mysql /data/mysql02_binlog
#chown -R mysql.mysql /data/mysql02_sys_temp_dir
#chmod 755 /data/mysql02
#chmod 755 /data/mysql02_binlog
#chmod 755 /data/mysql02_sys_temp_dir
##########################################
[mysqld@02]
###0、 base DIR
################################################
port=3316
mysqlx_port=33160
lower_case_table_names=1
datadir=/data/mysql02
mysqlx_socket=/data/mysql02/mysqlx.sock
socket=/data/mysql02/mysql.sock
log-error=/var/log/mysqld02.log
pid-file=/var/run/mysqld/mysqld02.pid
skip_name_resolve=ON
###tmpdir
tmpdir=/data/mysql02_sys_temp_dir
innodb_tmpdir=/data/mysql02_sys_temp_dir
slave_load_tmpdir=/data/mysql02_sys_temp_dir
max_heap_table_size=2g
tmp_table_size=2g
###1、 slow 300ms
################################################
long_query_time=0.6
slow_query_log=ON
log_queries_not_using_indexes=OFF
slow_query_log_file=/data/mysql02/localhost-slow.log
###2、binlog gtid\复制优化：
################################################
#expire-logs-days=7
#independ dir /data/mysql02_binlog
log_bin=/data/mysql02_binlog/binlog
log_bin_index=/data/mysql02_binlog/binlog.index
binlog_expire_logs_seconds=604800
binlog_format = ROW
log_timestamps = SYSTEM
gtid-mode = ON
enforce-gtid-consistency = ON
server_id = 1000
log-slave-updates=ON
skip_slave_start=ON
relay_log_recovery=ON
slave_preserve_commit_order=ON
slave-parallel-type=LOGICAL_CLOCK
slave-parallel-workers=16
binlog_transaction_dependency_tracking = WRITESET
###3、REDO日志缓冲、COMMIT参数：
################################################
## 大日志 800M
##【2000、20000、64000】
innodb_log_file_size = 800M
innodb_log_files_in_group = 5
max_binlog_size = 4096M
innodb_io_capacity = 10000
innodb_io_capacity_max = 80000
innodb_log_buffer_size = 1024M
innodb_flush_log_at_trx_commit = 2
autocommit=ON
sync_binlog=200
#transaction-isolation=REPEATABLE-READ
transaction-isolation=READ-COMMITTED
####4、线程和调度类参数
################################################
innodb_thread_concurrency=192
thread_cache_size=256
innodb_read_io_threads=80
innodb_write_io_threads=64
innodb_purge_threads=8
#innodb_thread_sleep_delay = 1000
innodb_adaptive_max_sleep_delay=1200000
####5、buffer类参数 96g/128GB
################################################
innodb_buffer_pool_size = 16g
innodb_buffer_pool_instances=2
innodb_change_buffer_max_size = 50
innodb_sort_buffer_size=32M
innodb_max_dirty_pages_pct = 60
innodb_max_dirty_pages_pct_lwm = 10
###6、内存LRU算法相关：
################################################
innodb_old_blocks_pct = 25
innodb_old_blocks_time = 2000
innodb_lru_scan_depth = 4096
###7、索引等其他非典型参数
################################################
##innodb_flush_method = fsync 默认
innodb_use_native_aio = ON
innodb_adaptive_hash_index = ON
max_allowed_packet=1G
###8、表和文件参数
################################################
innodb_file_per_table=1
innodb_open_files=50000
table_open_cache =50000
table_definition_cache=50000
table_open_cache_instances=32
###9、超时与连接参数等其他参数：
################################################
max_connections=20000
max_connect_errors=10000
connect_timeout =8
interactive_timeout=1000
###10、字符集、排序：
################################################
character-set-server =utf8mb4
collation-server =utf8mb4_0900_as_cs
###11、安全密码：
################################################
local_infile=OFF
secure_file_priv=/data/mysql02_sys_temp_dir
validate_password.length=10
validate_password.policy=MEDIUM
validate_password.special_char_count=2
validate_password.mixed_case_count=2
validate_password.number_count=2
Problem shoot：
###########################################################################################################
2019-12-04T17:17:48.335342+08:00 1 [Warning] [MY-012582] [InnoDB] io_setup() failed with EAGAIN. Will make 5 attempts before giving up.
2019-12-04T17:17:48.335549+08:00 1 [Warning] [MY-012583] [InnoDB] io_setup() attempt 1.
2019-12-04T17:17:48.835843+08:00 1 [Warning] [MY-012583] [InnoDB] io_setup() attempt 2.
2019-12-04T17:17:49.336174+08:00 1 [Warning] [MY-012583] [InnoDB] io_setup() attempt 3.
2019-12-04T17:17:49.836813+08:00 1 [Warning] [MY-012583] [InnoDB] io_setup() attempt 4.
2019-12-04T17:17:50.337818+08:00 1 [Warning] [MY-012583] [InnoDB] io_setup() attempt 5.
2019-12-04T17:17:50.838223+08:00 1 [ERROR] [MY-012584] [InnoDB] io_setup() failed with EAGAIN after 5 attempts.
2019-12-04T17:17:50.839214+08:00 1 [ERROR] [MY-012954] [InnoDB] Cannot initialize AIO sub-system
2019-12-04T17:17:50.839419+08:00 1 [ERROR] [MY-012930] [InnoDB] Plugin initialization aborted with error Generic error.
2019-12-04T17:17:50.839611+08:00 1 [ERROR] [MY-010334] [Server] Failed to initialize DD Storage Engine
2019-12-04T17:17:50.840013+08:00 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2019-12-04T17:17:50.840325+08:00 0 [ERROR] [MY-010119] [Server] Aborting
2019-12-04T17:17:50.841661+08:00 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.18) MySQL Community Server - GPL.
2019-12-04T17:22:24.052559+08:00 0 [Warning] [MY-010139] [Server] Changed limits: max_open_files: 10000 (requested 120010)
2019-12-04T17:22:24.052571+08:00 0 [Warning] [MY-010141] [Server] Changed limits: max_connections: 9190 (requested 20000)
2019-12-04T17:22:24.052578+08:00 0 [Warning] [MY-010142] [Server] Changed limits: table_open_cache: 400 (requested 50000)
2019-12-04T17:22:24.361227+08:00 0 [Warning] [MY-000081] [Server] option 'max_binlog_size': unsigned value 4294967296 adjusted to 1073741824.
2019-12-04T17:22:24.363094+08:00 0 [Warning] [MY-010101] [Server] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a differ
ent directory.
2019-12-04T17:22:24.363190+08:00 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.18) starting as process 19965
2019-12-04T17:22:24.368825+08:00 0 [Warning] [MY-000081] [Server] option 'innodb-read-io-threads': unsigned value 80 adjusted to 64.
2019-12-04T17:22:24.368927+08:00 0 [Warning] [MY-000081] [Server] option 'innodb-adaptive-max-sleep-delay': unsigned value 1200000 adjusted to 1000000.
2019-12-04T17:22:24.369516+08:00 0 [Warning] [MY-012364] [InnoDB] innodb_open_files should not be greater than the open_files_limit.
2019-12-04T17:22:24.391582+08:00 1 [Warning] [MY-012197] [InnoDB] Unable to open './ops/000/tt7.ibd'
100 200 300 400 500 600 700 800
100 200 300 400 500 600 700 800
100 200 300 400 500 600 700 800
100 200 300 400 500 600 700 800
100 200 300 400 500 600 700 800
2019-12-04T17:23:04.344866+08:00 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2019-12-04T17:23:04.383581+08:00 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.18' socket: '/data/mysql02/mysql.sock' port: 3316 MySQL
Community Server - GPL.
2019-12-04T17:23:04.465324+08:00 0 [ERROR] [MY-011300] [Server] Plugin mysqlx reported: 'Setup of socket: '/var/run/mysqld/mysqlx.sock' failed, another process with PID 16528 is u
sing UNIX socket file'
2019-12-04T17:23:04.465393+08:00 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33160
[root@qaserver120 log]#
解决：
################################
echo "fs.aio-max-nr=262144" >> /etc/sysctl.conf
sysctl -p
2019-12-04T17:34:28.301373+08:00 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.18) starting as process 26348
2019-12-04T17:34:28.308510+08:00 0 [Warning] [MY-000081] [Server] option 'innodb-read-io-threads': unsigned value 80 adjusted to 64.
2019-12-04T17:34:28.308652+08:00 0 [Warning] [MY-000081] [Server] option 'innodb-adaptive-max-sleep-delay': unsigned value 1200000 adjusted to 1000000.
2019-12-04T17:34:28.309514+08:00 0 [Warning] [MY-012364] [InnoDB] innodb_open_files should not be greater than the open_files_limit.
2019-12-04T17:34:28.392497+08:00 1 [ERROR] [MY-012209] [InnoDB] Multiple files found for the same tablespace ID:
2019-12-04T17:34:28.392786+08:00 1 [ERROR] [MY-012202] [InnoDB] Tablespace ID: 97 = ['ops/000/tt7.ibd', 'ops2/tt7.ibd']
2019-12-04T17:34:28.393228+08:00 1 [ERROR] [MY-012930] [InnoDB] Plugin initialization aborted with error Failed, retry may succeed.
2019-12-04T17:34:28.393420+08:00 1 [ERROR] [MY-010334] [Server] Failed to initialize DD Storage Engine
2019-12-04T17:34:28.393786+08:00 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2019-12-04T17:34:28.394080+08:00 0 [ERROR] [MY-010119] [Server] Aborting
2019-12-04T17:34:28.395139+08:00 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.18) MySQL Community Server - GPL.
解决：
ops/000/tt7.ibd 是copy的表空间文件
###############################################
Multiple files found for the same tablespace ID:
删除即可，重复了
###################################################################
##################################################################
2019-12-05T11:13:24.574282+08:00 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2019-12-05T11:13:24.583081+08:00 0 [ERROR] [MY-000067] [Server] unknown variable 'validate_password.length=16'.
2019-12-05T11:13:24.583675+08:00 0 [ERROR] [MY-010119] [Server] Aborting
2019-12-05T11:13:25.866908+08:00 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.18) MySQL Community Server - GPL.
##############################################################################
数据库初始化方法不正确，导致组件没有启用, 下面的不存在：
component_id component_group_id component_urn
------------ ------------------ ------------------------------------
1 1 file://component_validate_password
###################################################################
##################################################################
2019-12-04T17:37:23.214806+08:00 0 [Warning] [MY-010139] [Server] Changed limits: max_open_files: 10000 (requested 120010)
2019-12-04T17:37:23.214832+08:00 0 [Warning] [MY-010141] [Server] Changed limits: max_connections: 9190 (requested 20000)
2019-12-04T17:37:23.214844+08:00 0 [Warning] [MY-010142] [Server] Changed limits: table_open_cache: 400 (requested 50000)
2019-12-04T17:37:23.530512+08:00 0 [Warning] [MY-000081] [Server] option 'max_binlog_size': unsigned value 4294967296 adjusted to 1073741824.
2019-12-04T17:37:23.532496+08:00 0 [Warning] [MY-010101] [Server] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory.
2019-12-04T17:37:23.532607+08:00 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.18) starting as process 27784
2019-12-04T17:37:23.538549+08:00 0 [Warning] [MY-000081] [Server] option 'innodb-read-io-threads': unsigned value 80 adjusted to 64.
2019-12-04T17:37:23.538729+08:00 0 [Warning] [MY-000081] [Server] option 'innodb-adaptive-max-sleep-delay': unsigned value 1200000 adjusted to 1000000.
2019-12-04T17:37:23.539438+08:00 0 [Warning] [MY-012364] [InnoDB] innodb_open_files should not be greater than the open_files_limit.
2019-12-04T17:37:25.867148+08:00 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2019-12-04T17:37:25.914579+08:00 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.18' socket: '/data/mysql02/mysql.sock' port: 3316 MySQL Community Server - GPL.
2019-12-04T17:37:25.977604+08:00 0 [ERROR] [MY-011300] [Server] Plugin mysqlx reported: 'Setup of socket: '/var/run/mysqld/mysqlx.sock' failed, another process with PID 16528 is using UNIX socket file'
2019-12-04T17:37:25.977762+08:00 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33160
[ERROR] [MY-011300] [Server] Plugin mysqlx reported: 'Setup of socket: '/var/run/mysqld/mysqlx.sock' failed,
another process with PID 16528 is using UNIX socket file'
##############################################################################################################
解决：
mysqlx.sock在同一个服务器上重复了
###############################################
mysql> show variables like '%socket%';
+-----------------------------------------+-----------------------------+
| Variable_name | Value |
+-----------------------------------------+-----------------------------+
| mysqlx_socket | /var/run/mysqld/mysqlx.sock |
| performance_schema_max_socket_classes | 10 |
| performance_schema_max_socket_instances | -1 |
| socket | /data/mysql/mysql.sock |
+-----------------------------------------+-----------------------------+
4 rows in set (0.01 sec)
mysql>
[root@qaserver120 log]# netstat -anp |grep "3306\|3316"
tcp6 0 0 :::33160 :::* LISTEN 31936/mysqld
tcp6 0 0 :::3306 :::* LISTEN 16528/mysqld
tcp6 0 0 :::3316 :::* LISTEN 31936/mysqld
tcp6 0 0 :::33060 :::* LISTEN 16528/mysqld
[root@qaserver120 log]#
解决后，日志：
[System] [MY-011323] [Server] X Plugin ready for connections. Socket: '/data/mysql02/mysqlx.sock' bind-address: '::' port: 33160
###############################################
2019-12-04T17:43:50.006244+08:00 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.18) MySQL Community Server - GPL.
2019-12-04T17:43:52.499102+08:00 0 [Warning] [MY-010139] [Server] Changed limits: max_open_files: 10000 (requested 120010)
2019-12-04T17:43:52.499116+08:00 0 [Warning] [MY-010141] [Server] Changed limits: max_connections: 9190 (requested 20000)
2019-12-04T17:43:52.499123+08:00 0 [Warning] [MY-010142] [Server] Changed limits: table_open_cache: 400 (requested 50000)
2019-12-04T17:43:52.844200+08:00 0 [Warning] [MY-000081] [Server] option 'max_binlog_size': unsigned value 4294967296 adjusted to 1073741824.
2019-12-04T17:43:52.846443+08:00 0 [Warning] [MY-010101] [Server] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory.
2019-12-04T17:43:52.846571+08:00 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.18) starting as process 31936
2019-12-04T17:43:52.854371+08:00 0 [Warning] [MY-000081] [Server] option 'innodb-read-io-threads': unsigned value 80 adjusted to 64.
2019-12-04T17:43:52.854510+08:00 0 [Warning] [MY-000081] [Server] option 'innodb-adaptive-max-sleep-delay': unsigned value 1200000 adjusted to 1000000.
2019-12-04T17:43:52.855436+08:00 0 [Warning] [MY-012364] [InnoDB] innodb_open_files should not be greater than the open_files_limit.
2019-12-04T17:43:54.944605+08:00 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2019-12-04T17:43:54.981407+08:00 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.18' socket: '/data/mysql02/mysql.sock' port: 3316 MySQL Community Server - GPL.
2019-12-04T17:43:55.028545+08:00 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: '/data/mysql02/mysqlx.sock' bind-address: '::' port: 33160
###############################################
不同子目录不能有相同的idb文件，rm就搞定
###############################################
[root@txy93 log]# tail mysqld.log
2019-12-05T13:48:49.231955+08:00 0 [Warning] [MY-012364] [InnoDB] innodb_open_files should not be greater than the open_files_limit.
2019-12-05T13:48:49.312062+08:00 1 [ERROR] [MY-012209] [InnoDB] Multiple files found for the same tablespace ID:
2019-12-05T13:48:49.312192+08:00 1 [ERROR] [MY-012202] [InnoDB] Tablespace ID: 97 = ['ops/000/tt7.ibd', 'ops2/tt7.ibd']
2019-12-05T13:48:49.312448+08:00 1 [ERROR] [MY-012930] [InnoDB] Plugin initialization aborted with error Failed, retry may succeed.
2019-12-05T13:48:49.312576+08:00 1 [ERROR] [MY-010334] [Server] Failed to initialize DD Storage Engine
2019-12-05T13:48:49.312872+08:00 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2019-12-05T13:48:49.313085+08:00 0 [ERROR] [MY-010119] [Server] Aborting
2019-12-05T13:48:49.314105+08:00 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.18) MySQL Community Server - GPL.
[root@txy93 log]#
###############################################
###############################################
mysql>
mysql> revoke all on sys.* from 'dbuer'@'%';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
mysql>
mysql>
mysql> revoke all on ops.* from 'dbuer'@'%';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
mysql> revoke all on ops.* from 'dbuser'@'%';
ERROR 1141 (42000): There is no such grant defined for user 'dbuser' on host '%'
mysql>
mysql> revoke all on ops2.* from 'dbuser'@'%';
ERROR 1141 (42000): There is no such grant defined for user 'dbuser' on host '%'
mysql>
###############################################
实际上是写错了用户名'dbuer'@'%'
###############################################
[root@txy93 mysql02]#
[root@txy93 mysql02]# netstat -anp |grep mysqld
tcp6 0 0 :::33160 :::* LISTEN 30073/mysqld
tcp6 0 0 :::3306 :::* LISTEN 11076/mysqld
tcp6 0 0 :::3316 :::* LISTEN 30073/mysqld
tcp6 0 0 :::33060 :::* LISTEN 11076/mysqld
tcp6 0 0 172.31.71.93:3316 103.113.60.164:56999 ESTABLISHED 30073/mysqld
tcp6 0 0 172.31.71.93:3316 103.113.60.164:20770 ESTABLISHED 30073/mysqld
unix 2 [ ACC ] STREAM LISTENING 2542510600 30073/mysqld /data/mysql02/mysql.sock
unix 2 [ ACC ] STREAM LISTENING 2542509812 30073/mysqld /data/mysql02/mysqlx.sock
unix 2 [ ACC ] STREAM LISTENING 2542415841 11076/mysqld /data/mysql/mysql.sock
unix 2 [ ACC ] STREAM LISTENING 2542425633 11076/mysqld /data/mysql/mysqlx.sock
unix 2 [ ] DGRAM 2542472171 30073/mysqld
unix 2 [ ] DGRAM 2542415769 11076/mysqld
MySQL8.0多实例管理
###############################################
systemctl enable mysqld@01
systemctl enable mysqld@02
systemctl daemon-reload
systemctl daemon-reload
systemctl start mysqld@01
systemctl start mysqld@02
systemctl status mysqld@01
systemctl status mysqld@02
systemctl stop mysqld@01
systemctl stop mysqld@02
systemctl restart mysqld@01
systemctl restart mysqld@02
systemctl status mysqld@01
systemctl status mysqld@02
netstat -anp |grep "3306\|3316"
netstat -anp |grep "3306\|3316"
netstat -anp |grep mysqld
netstat -anp |grep mysqld
###############################################
47.56.108.174 双实例环境
yum install -y /pkg/mysql-community*rpm
##########################################
mkdir -p /data/mysql
mkdir -p /data/mysql_binlog
mkdir -p /data/mysql_sys_temp_dir
chown -R mysql.mysql /data/mysql
chown -R mysql.mysql /data/mysql_binlog
chown -R mysql.mysql /data/mysql_sys_temp_dir
chmod 755 /data/mysql
chmod 755 /data/mysql_binlog
chmod 755 /data/mysql_sys_temp_dir
##########################################
##########################################
mkdir -p /data/mysql02
mkdir -p /data/mysql02_binlog
mkdir -p /data/mysql02_sys_temp_dir
chown -R mysql.mysql /data/mysql02
chown -R mysql.mysql /data/mysql02_binlog
chown -R mysql.mysql /data/mysql02_sys_temp_dir
chmod 755 /data/mysql02
chmod 755 /data/mysql02_binlog
chmod 755 /data/mysql02_sys_temp_dir
##########################################
chown -R mysql.mysql /data/mysql02
chown -R mysql.mysql /data/mysql
scp -i id111.pem mysql-community*rpm 172.31.71.93:/pkg
scp -i id111.pem -r /data/mysql/* 172.31.71.93:/data/mysql/
scp -i id111.pem -r /data/mysql02/* 172.31.71.93:/data/mysql02/
*//
[root@txy93 data]# systemctl enable mysqld@01
systemctl enable mysqld@02
Created symlink from /etc/systemd/system/multi-user.target.wants/[email protected] to /usr/lib/systemd/system/[email protected].
systemctl start mysqld@01[root@txy93 data]# systemctl enable mysqld@02
Created symlink from /etc/systemd/system/multi-user.target.wants/[email protected] to /usr/lib/systemd/system/[email protected].
[root@txy93 data]#
[root@txy93 data]#
/etc/systemd/system/multi-user.target.wants/[email protected]
sed -i 's/LimitNOFILE = 10000/LimitNOFILE = 320000/g' /etc/systemd/system/multi-user.target.wants/[email protected]
sed -i 's/LimitNOFILE = 200000/LimitNOFILE = 320000/g' /etc/systemd/system/multi-user.target.wants/[email protected]
cat /etc/systemd/system/multi-user.target.wants/[email protected] |grep LimitNOFILE
sed -i 's/LimitNOFILE = 10000/LimitNOFILE = 320000/g' /etc/systemd/system/multi-user.target.wants/[email protected]
sed -i 's/LimitNOFILE = 200000/LimitNOFILE = 320000/g' /etc/systemd/system/multi-user.target.wants/[email protected]
cat /etc/systemd/system/multi-user.target.wants/[email protected]|grep LimitNOFILE
systemctl daemon-reload
systemctl daemon-reload
mysql> set autocommit=OFF;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> START TRANSACTION
-> ;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> SELECT COUNT(*) FROM dt_game_data.round ;
+----------+
| COUNT(*) |
+----------+
| 779247 |
+----------+
1 row in set (0.03 sec)
mysql>
mysql> SELECT COUNT(*) FROM dt_game_data.round_card ;
SELECT COUNT(*) FROM dt_game_data.round WHERE created_at <='2019-12-1';
+----------+
| COUNT(*) |
+----------+
| 3876744 |
+----------+
1 row in set (0.09 sec)
mysql>
mysql>
mysql> SELECT COUNT(*) FROM dt_game_data.round WHERE created_at <='2019-12-1';
SELECT COUNT(*) FROM dt_game_data.round_card WHERE created_at <='2019-12-1';+----------+
| COUNT(*) |
+----------+
| 682691 |
+----------+
1 row in set (0.15 sec)
mysql>
mysql>
mysql> SELECT COUNT(*) FROM dt_game_data.round_card WHERE created_at <='2019-12-1';
+----------+
| COUNT(*) |
+----------+
| 3432773 |
+----------+
1 row in set (0.66 sec)
mysql>
mysql> DELETE FROM dt_game_data.round WHERE created_at <='2019-12-1';
Query OK, 682691 rows affected (22.99 sec)
mysql>
mysql>
mysql> COMMIT;
Query OK, 0 rows affected (2.99 sec)
mysql>
mysql> set autocommit=OFF;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql> START TRANSACTION ;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql> DELETE FROM dt_game_data.round_card WHERE created_at <='2019-12-1';
Query OK, 3432773 rows affected (2 min 30.32 sec)
mysql> SELECT COUNT(*) FROM dt_game_data.round_card;
+----------+
| COUNT(*) |
+----------+
| 444506 |
+----------+
1 row in set (0.06 sec)
mysql> commit;
Query OK, 0 rows affected (6.03 sec)
mysql> SELECT COUNT(*) FROM dt_game_data.round_card;
+----------+
| COUNT(*) |
+----------+
| 444860 |
+----------+
1 row in set (0.02 sec)
mysql>
mysql>
mysql>
mysql> SELECT COUNT(*) FROM dt_game_data.round_card;
+----------+
| COUNT(*) |
+----------+
| 445078 |
+----------+
1 row in set (0.01 sec)
mysql> commit;
Query OK, 0 rows affected (0.00 sec)
mysql>