Technology Performance Pulse

Differing MySQL Client Versions Causing Broken Replication and Collations in Aurora

Percona

FEBRUARY 13, 2023

Error 'Character set '#255' is not a compiled character set and is not specified in the '/usr/share/percona-server/charsets/Index.xml' file' on query. I recreated the issue in my lab with a simple create database statement, as you will see below. Default database: 'lab'. for the UTF8MB4 character set.

Database

Database AWS Open Source Servers

Upgrade MySQL to 8.0? Yes, but Avoid Disaster!

Percona

JULY 5, 2023

share/charsets/Index.xml' file' on query. sec) mysql 57 > select * from information_schema.COLLATIONS where id=255; Empty set (0.00 version source will break the 5.7 replica with something like this: Relay_Master_Log_File: mysql-bin.000023 Default database: 'test'.

C++

C++ Database Servers Testing

Differing MySQL Client Versions Causing Broken Replication and Collations in Aurora

Upgrade MySQL to 8.0? Yes, but Avoid Disaster!

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