Mysql Braimstorm

Mysql_Change_TableEngine.sh

DATABASE="DATABASE"
USER="username"
PASSWD="password"
mysql -u $USER -p$PASSWD $DATABASE -e "show tables" |while read dbtable
do
  mysql $DATABASE -e "ALTER TABLE $DATABASE.$dbtable ENGINE=InnoDB"
  echo "Convertendo tabela: $dbtable"
done

Mysql_Command_Braimstorm.sql

-- Show Databases Size in GB
SELECT table_schema AS "Database name", 
        SUM(data_length + index_length) / 1024 / 1024 AS "Size (MB)" 
        FROM information_schema.TABLES GROUP BY table_schema;
        
-- Show Storage engine
SHOW VARIABLES LIKE 'storage_engine';

---[ User Management ]-------

-- Create user
CREATE USER 'user'@'[hostname/remote]' IDENTIFIED BY ['password' / PASSWORD 'hash'];

-- Grant privileges to user 
GRANT PERMISSIONS ON base.table TO 'user'@'host';
FLUSH PRIVILEGES;

-- Set user password 
SET PASSWORD FOR 'user'@'host' = PASSWORD('plain text pass');

mysql_dump.sql

-- Dump Mysql and selecting which tables to backup
DBTODUMP=mydb
TBLIST=`mysql -u... -p... -AN -e"select group_concat(table_name separator ' ') from information_schema.tables where table_schema='${DBTODUMP}' and table_name not in ('t1','t2','t3')"`
mysqldump -u... -p... ${DBTODUMP} ${TBLIST} > zabbix_mysql_tables.sql

mysql_export_grants.sh

#!/bin/bash

mysql -Ne "select distinct concat( \"SHOW GRANTS FOR '\",user,\"'@'\",host,\"';\" ) from user;" mysql | mysql | sed 's/\(GRANT .*\)/\1;/;s/^\(Grants for .*\)/## \1 ##/;/##/{x;p;x;}'

Mysql_MaxOpenFiles.sh

# Refer: http://www.cyberciti.biz/faq/linux-increase-the-maximum-number-of-open-files/

cat /proc/$(pgrep mysqld$)/limits

# vi /etc/sysctl.conf
fs.file-max = 100000

systemctl restart mariadb.service

cat /proc/$(pgrep mysqld$)/limits

server.cnf

# Generated by Percona Configuration Wizard (http://tools.percona.com/) version REL5-20120208
# Configuration name server generated for [email protected] at 2014-11-05 18:06:36

[mysql]

# CLIENT #
port                           = 3306
#socket                         = /var/data/mysql.sock

[mysqld] 
open_files_limit               = 65535


# GENERAL #
server-id                      = 2
user                           = mysql
default-storage-engine         = InnoDB
#socket                        = /var/data/mysql.sock
pid-file                       = /var/data/mysql.pid

# MyISAM #
key-buffer-size                = 32M
myisam-recover                 = FORCE,BACKUP

# SAFETY #
max-allowed-packet             = 512M
max-connect-errors             = 1000000

# DATA STORAGE #
datadir                        = /var/data/

# BINARY LOGGING #
log-bin                        = /var/data/mysql-bin
binlog_format                  = MIXED
expire-logs-days               = 14
sync-binlog                    = 1

# CACHES AND LIMITS #
tmp-table-size                 = 32M
max-heap-table-size            = 32M
query-cache-type               = 0
query-cache-size               = 0
max-connections                = 500
thread-cache-size              = 128
#open_files_limit               = 65535
table-definition-cache         = 4096
table-open-cache               = 4096
tmpdir                         = /var/mysqltmpfs

# INNODB #
innodb-flush-method            = O_DIRECT
innodb-log-files-in-group      = 2
innodb-log-file-size           = 256M
innodb-flush-log-at-trx-commit = 1
innodb-file-per-table          = 0
innodb-buffer-pool-size        = 6G
innodb_data_file_path          = ibdata1:400G

# LOGGING #
log-error                      = /var/data/mysql-error.log
log-queries-not-using-indexes  = 1
slow-query-log                 = 1
slow-query-log-file            = /var/data/mysql-slow.log


[mysqld_safe] 
open_files_limit               = 65535