Lisa Smith

Senior MySQL Database Engineer

Lisa works closely with multiple clients to provide professional MySQL services ranging from design and implementation of InnoDB Cluster to basic health check and performance optimization. Lisa holds MySQL 5.6 Database Administrator certification and worked with XTIVIA's MySQL Team to achieve Oracle Gold Partner status for specialization in MySQL 5.

Analyzing and Optimizing the MySQL InnoDB Log Buffer and InnoDB Redo Log

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... read more

MySQL Error-Too Many Open Files

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... read more

MySQL Error – Too Many Connections

MySQL has is a maximum number of concurrent connections permitted to access the database, defined by the max_connections variable. The default value for max_connections is 151, and if the error Too Many Connections occurs, it means all connections are being... read more

MySQL Replication: Disconnecting a Replica

When a MySQL replica instance is no longer to be associated with a primary database instance in a replication design, the replica not only needs to be stopped, but the connection information pointing to the primary must be cleared as well. In older versions of MySQL... read more

MySQL Error – Packet Too Large

A MySQL error commonly encountered is to have “packet too large” reported and it is often coupled with a “lost connection to MySQL server during query” error as the server closes the connection. The errors occur when a MySQL communication... read more

The MySQL InnoDB Buffer Pool

The MySQL InnoDB storage engine is used by default in all newer versions of MySQL (5.5.5+). As a well-performing transactional storage engine with crash recovery capability, it is the storage engine of choice for most database settings. One of the most important... read more