MySQL binary logging is used for replication and also for point-in-time recovery of a MySQL database instance. It records any changes to database contents and may be recorded in a "statement-based" or "row-based" format. The default location to find the binary logs is...
When connection requests to a MySQL database from a given host are interrupted, MySQL keeps track of the number of successive interruptions in the host cache. MySQL will eventually block the host, giving them a message [1129] "Host 'host_name' is blocked because of...
Here at XTIVIA we have provided professional services many times to clients running into errors while restoring a MySQL database from a backup created with mysqldump. One specific error on import of a backup, Error 1227, reports "Access denied; you need (at least one...
Depending on your operating system and individual environments, the upgrade process can vary. Release notes should be reviewed for differences between database versions, which may affect your environment. Though we offer professional advice on how to upgrade MySQL 5.5...
Switching database engines—for instance, going from a MySQL-compatible database to an Amazon Aurora MySQL DB cluster—and migrating data can be a long and confusing process. For the purpose of offering a little clarity, this article will go through and highlight...
It can be helpful to compare and contrast two similar pieces of software, such as MySQL and MariaDB. Competition in the open business market often leads to innovation and breakthrough technology. Yet, when two competing companies go head-to-head, offering similar...
At XTIVIA, we have encountered the MySQL Error 1114, "table is full" on quite a few occasions. The description for the error is usually misleading as it implies that a table has reached or exceeded a maximum set limitation. Tables utilizing the InnoDB storage engine...
Ahhhhhh—the fresh smell of a brand new laptop, being pulled out of its box for the first time. Breathe it in. Your tax return really paid off this year, but your shopping doesn’t end with this new device. On the contrary, you’ve got a spree ahead of you. This laptop...
When changes are made to InnoDB tables in MySQL, the changes are first stored in memory in the InnoDB log buffer, then written to the InnoDB log files which are often referred to as the redo logs. The innodb_log_buffer_size variable may be adjusted to optimize...
Learn with XTIVIA how to address the common MySQL Error, "Too many open files." If you encounter the error where MySQL reports "Can't open file: (errno: 24)", analyze a few variables. The error usually occurs when the maximum number of files that may be open...