MySQL DBA Services

http://www.mysqldbaservices.com/2017/03/22/step-by-step-process-to-upgrade-mysql-custom-installation-to-mysql-5-7/

Step by step procedure to upgrade MySQL custom installation to MySQL 5.7 – MySQL DBA Services DBAs are advised to convert accounts that use themysql_old_password authentication plugin to use mysql_native_password instead, because support for mysql_old_password has been removed. For account upgrade instructions, see

LIST OF BACKGROUND OPERATIONS PERFORMED BY MYSQL INNODB MAIN THREAD
http://www.mysqldbaservices.com/2016/02/05/list-of-background-operations-performed-by-mysql-innodb-main-thread/

List of background operations performed by MySQL InnoDB Main thread | MySQL DBA Services List of background operations performed by MySQL InnoDB Main threadFebruary 5, 2016mysqldbaservicesMySQL, MySQL Internals, MySQL Performance Tuning The main InnoDB thread is a special thread that just runs in a loop to do various kinds of work. You can get the state of main thread from the output o…