#mysql

24 posts

February 1, 2021 Tech

How MySQL Bug #102266 affects ProxySQL

Overview If you are using ProxySQL 2.0.16 in front of MySQL 5.7/5.6 servers or even in front of MySQL 8.0.0, please check your ProxySQL error logs for the message below to ensure that you are not experiencing the MySQL bug #102266: 2021-06-23 02:38:18 MySQL_Session.cpp:2798:handler_again___status_CHANGING_USER_SERVER(): Error during change user: 1045, Access denied for user 'mary'@'172.21 If

#102266 #mysql-bug #mysql

March 21, 2018 Tech

GTID consistent reads

Adaptive query routing based on GTID tracking ProxySQL is a layer 7 database proxy that understands the MySQL Protocol. It provides high availability and high

#gtid #causal-consistency-reads #mysql

April 13, 2017 Tech

MySQL read/write split with ProxySQL

Query routing is one of the core features of ProxySQL. Read/write split is perhaps one of the most common query routing use, while the other most commonly used

#routing #read #write #split #mysql

February 2, 2017 Tech

Testing performance of MySQL Group Replication

MySQL Group Replication is a hot topic in MySQL ecosystem. We have been evaluating it in , and it is now time to evaluate its performance, especially now that i

#group-replication #benchmark #mysql

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