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.

Fixing “The MySQL service could not be started.” After Changing datadir Error

Table of contentsSummaryUnderstanding the “MySQL Service Could Not Be Started” ErrorStep-by-Step TroubleshootingTest MySQL Without Starting the ServiceRoot CauseFix the ConfigurationConclusion Summary This article addresses the common error message... read more

Error: “[MY-013276] Failed to Set datadir” After Moving MySQL Data on Windows

Summary Encountering a MySQL error like “Failed to set datadir” after moving MySQL data on Windows? This blog post provides step-by-step troubleshooting instructions to resolve the common MySQL error, including checking error logs, validating the my.ini... read more

[ERROR] /usr/sbin/mysqld: The table ‘/tmp/ramdisk/#sql*’ is full

Table of contents 1. Check Available Space on /tmp 2. Increase MySQL Temporary Table Size3. Review Your Queries4. Kill the Offending Query The MySQL tmpdir full error indicates that there isn’t enough space in the temporary storage to hold the temporary table data.... read more

[ERROR] [MY-012271] [InnoDB] The innodb_system data file ‘ibdata1’ must be writable

Table of contentsThe Initial SymptomsThe Head-Scratcher: Partial SuccessThe “Aha!” Moment: It’s the my.ini !The Solution: Align Your Paths!Lessons Learned Ever run into a MySQL problem that seems to defy logic? You’ve meticulously set... read more

Linux OOM Killer Terminated mysqld and How to Recover

One morning, I was alerted that a crash had been detected by our monitoring scripts. Upon reviewing the error log, a crash was noted. Error log:250608 02:27:07 mysqld_safe Number of processes running now: 0250608 02:27:07 mysqld_safe mysqld restarted. . . . . . . . .... read more

How to Fix the Install/Remove of the Service Denied Error When Installing MySQL on Windows

If you’re installing MySQL on a Windows machine and run into the error: Install/Remove of the Service Denied! This error indicates that the `mysqld` command lacks the necessary administrative permissions to install a Windows service. Why the Install/Remove of... read more