Monica Silva
Database Administrator
Monica is a certified MySQL Database Administrator working with multiple clients to provide professional MySQL services. She is currently working towards her AWS Cloud Practitioner certification.
Simple Steps for Rotating the Error Log
The error log is an important tool for troubleshooting. The size of the error log file can get quite large if left unattended. For starters, there are not many parameters that can be adjusted to impact its size in any way, unlike the binlog that has a few system... read more
Start Using Binlogs: A Quick Guide
Binary logs play an important role in replication and data recovery. In replication, source databases communicate data changes recorded in its binary logs to the replica’s relay logs. They can also be used to repair a replica experiencing data drift. In a... read more
Prepping for MySQL 5.7 Upgrade
MySQL 5.6 reached its end-of-life (EOL) in February 2021. If you haven’t upgraded to MySQL 5.7, you are not the only one. It can be an intimidating endeavor. There are configuration, system table, server, Innodb and SQL changes to consider. And, documentation is... read more
Migrating from SUPER to Dynamic Privileges
When performing health checks on a database, I look at how many users are granted SUPER privileges. If you’re reading this, you know why. SUPER privileges pose a potential security risk and should be limited to a few users that need this far-reaching access to... read more
Thread Concurrency Explained: Not a Simple FIFO
Understanding thread concurrency can help troubleshoot performance issues by optimizing how InnoDB multitasks between transaction requests simultaneously, but it is not a simple FIFO (first in: first out) process. That would not be efficient or leave much for a DBA to... read more