Two or more dots in your relay log or binary log names can break replication; but worry not, it will only do it once. If you request to start again, it will work. That’s it, that’s the blog. Should you choose to spend some more time, go ahead. A new MySQL 5.7 GTID replication chain […]
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This post will guide you to set up and automate the MySQL logical backups using mysqldump on Ubuntu Linux. We will set-up MySQL backup using mysqldump and automate it with Holland backup framework on Ubuntu. Towards the end of the post, you have the steps to be executed in a single block which includes steps […]
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Recently, we were affected by an ignored configuration option introduced in MySQL 5.6. This incident caused us to perform extended planning of downtime and the rebuilding of the slave. In this post, we’ll discuss our encounter with binlog_error_action and likely bad default. The incident started with an alert from our monitoring platform that a check […]
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This post covers Proxysql start up process, Layers and configuration file.
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This post is for the backup script for MySQL database on Linux with mail. It’s a linux shell script for taking logical backup using mysqldump and sending status email. The backup shell script works as follows: – The script takes backup using mysqldump and compresses it. – Upon success, it will attempt to ship the […]
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This blog post gives an introduction to resource groups in MySQL 8 and dynamical allocation to threads, as well as a related bug report.
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In this post we will see a case study of a Galera Cluster migration to AWS Aurora and quick solution to the replication issue. A friend received an error in a Master-Master replication as follows: Could not execute Write_rows event on table _database._table; Duplicate entry '65eJ8RmzASppBuQD2Iz73AAy8gPKIEmP-2018-08-03 08:30:03' for key 'PRIMARY', Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; […]
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How to Restore A Table / Database From Full Backup using MySQL Grants & mysqldump.
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Today lets talk a little about converting a MySQL table to CSV (Excel). My friend was looking to export MySQL to Excel, I saw couple of questions for export MySQL tables to CSV on forums. Since I saw the question often, I thought of writing out all the ways I can think of for exporting […]
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I’m going to narrate you a story that happened around a crashing MyQL, Corrupted InnoDB table and finally the recovery by table restore. We will see how our database administrator detected the issue and what he did to resolve it. A day in MySQL Database Consultant’s day was taking its shape while a friend called […]
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