Tag Archives: MySQL 8

MySQL fails to start and no errors in the log? Check out this possible reason!

02 Friday Aug 2019

Posted by in MySQL, MySQL Operations

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Some time ago, I was building a new MySQL DB server (5.7.25) and like all DBAs, I have a template of my.cnf that I use for the new instances after changing a few variables based on the instance resources, replication … etc. I had MySQL installed but I struggled on having the service started!

MySQL failed to start, no errors were printed at all in the MySQL error log – or the log was not created from the first place 🙂 – even no errors in the system log and I had no clue what was going on! Continue reading →

Replication filter per channel is now available in MySQL!

12 Wednesday Apr 2017

Posted by in MySQL, MySQL Replication

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On the same day last year, I wrote a post about replication filters in MySQL Multi Source Replication and whether we can set the filters per replication channel or not (Bug #80843). My feature request – as well as some others – has been implemented in MySQL 8.0.1. Thanks Oracle for the implementation. (Full list of changes can be checked out here)

In this post, I’ll demonstrate how to set replication filters per channel in MySQL Multi Source Replication.
Continue reading →