宝塔 面板 备份数据库 任务计划 备份 20b 20B 配置文件为空

主要参考自

https://www.bt.cn/bbs/thread-40225-1-1.html

首先配置文件为空,这个问题不知道是怎么造成的,但是我早复制备份了一份

[client]
#password    = your_password
port        = 3306
socket        = /tmp/mysql.sock

[mysqld]
port        = 3306
socket        = /tmp/mysql.sock
datadir = /www/server/data
default_storage_engine = InnoDB
performance_schema_max_table_instances = 400
table_definition_cache = 400
skip-external-locking
key_buffer_size = 128M
max_allowed_packet = 100G
table_open_cache = 512
sort_buffer_size = 2M
net_buffer_length = 4K
read_buffer_size = 2M
read_rnd_buffer_size = 256K
myisam_sort_buffer_size = 32M
thread_cache_size = 64
query_cache_size = 64M
tmp_table_size = 64M
sql-mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

explicit_defaults_for_timestamp = true
#skip-name-resolve
max_connections = 500
max_connect_errors = 100
open_files_limit = 65535

log-bin=mysql-bin
binlog_format=mixed
server-id = 1
expire_logs_days = 10
slow_query_log=1
slow-query-log-file=/www/server/data/mysql-slow.log
long_query_time=3
#log_queries_not_using_indexes=on
#跳过密码登录,这一句是参考了上面链接中的内容
skip-grant-tables


innodb_data_home_dir = /www/server/data
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /www/server/data
innodb_buffer_pool_size = 512M
innodb_log_file_size = 256M
innodb_log_buffer_size = 64M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
innodb_max_dirty_pages_pct = 90
innodb_read_io_threads = 4
innodb_write_io_threads = 4

[mysqldump]
quick
max_allowed_packet = 500M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 128M
sort_buffer_size = 2M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout

 

 

先把上面的内容填一下,保存,然后重启一下数据库

然后就是"有空用户的现象，MySQL官方的BUG，优先匹配到空用户"

我去数据库看了一下,还真有一个host为localhost,user为空的数据,我就通过PHPmyadmin把那条数据删了

然后通过终端执行 "FLUSH  PRIVILEGES"

就恢复正常了