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1 answer
530 views

Proxysql setup for Percona PXC Multimaster cluster

I have a clean Ubuntu lab setup for PXC Cluster and Proxysql (each a separate VM)and i'm seeing this issue (error below). Is there a specific installation that needs to be followed for PXC cluster? I ...
0 votes
1 answer
792 views

Is it possible to setup MySQL replication through ProxySQL?

We currently have replication working through haproxy so that if a node goes down replication continues with one of the other nodes. We're trying to completely replace haproxy with proxysql. Due to ...
0 votes
1 answer
86 views

MySQL Master Slave Asynchronous GTID Replication Failover/Switchover over ProxySQL with little downtime

This is a production setup and I have to perform a failover from Master A to new potential master B. MySQL Version is 5.7 and CentOS 7 is the OS. I have a simple master slave setup with A as Master ...
2 votes
1 answer
441 views

Setup proxysql read-write split with both galera cluster and master slave replication

I have the following setup: Three node galera cluster (galera-1, galera-2, galera-3) galera-2 is master to slave-1 (master-slave replication) slave-1 is master to both slave-2 and slave-3 slave-1, ...
0 votes
2 answers
229 views

How to set the 'source address' ProxySQL uses to connect to MariaDB?

I'm deploying ProxySQL on Docker. When I try connecting to my database via ProxySQL, MariaDB rejected my login attempt as follows: Access denied for user 'usarr'@'172.18.0.1' (172.18.0.1 is the ...
0 votes
0 answers
52 views

ProxySQL with multiple reader_hostgroups

I have a ProxySQL instance that is currently configured with one master and two replication slaves for basic read/write query splitting. However, I would like to configure different sets of slaves for ...
0 votes
1 answer
193 views

Unable to find variable : mysql-monitor_username in global_variables table in information_schema database in MySQL

I am trying to perform the initial configuration in proxysql and I found that while doing the Configure monitoring, I am unable to find the variable mysql-monitor_username in the global_variables ...
1 vote
1 answer
313 views

MySQL replication and ProxySQL

I just came across ProxySQL. I have one simple question, if I were to use ProxySQL, do I still need to set up Replication(master-slave) first for MySQL server? Because there is hostgroup(0,1) in ...
6 votes
4 answers
7k views

How to easily bring 80 MySQL users into ProxySQL?

I am setting up ProxySQL in front of a Percona MySQL server with 88 user accounts. I don't even know most of their passwords. Passwords are stored in MySQL as hashes but are stored in ProxySQL in ...
3 votes
2 answers
4k views

How to avoid replication lag in case all writes on master and reads on replica?

I have stuck with the replication lag problem. I am trying to refactor my DB infrastructure. The first step was read-write split. I used ProxySQL то implement it. Now I have masterDb where all INSERT ...
1 vote
1 answer
237 views

mysql client auto reconnect in case of ERROR 2013

I'm searching for a way how to instruct mysql client to reconnect in case of ERROR 2013. I'm testing PXC with ProxySQL and want to keep sql statements flowing from the client in case when the writer ...
0 votes
1 answer
144 views

Is there a way of securing ProxySQL's own SQLite3 database?

As I understand ProxySQL has support for SSL encryption for inbound and outbound traffic (front/backend) and supports password hashing. However back in 2017, one had direct database access: How to ...
0 votes
1 answer
139 views

ProxySQL in PXC and failing all nodes

I'm going to install Percona XtraDB Cluster, and I have two questions about it: 1- Is it the last step? https://www.percona.com/doc/percona-xtradb-cluster/LATEST/verify.html Or installing ProxySQL ...
0 votes
1 answer
42 views

garbd with proxysql and mysql replication

Can be configured garbd with proxysql + MySQL Replication?, I installed proxysql with 1 master and two slaves using MySQL replication but I was disputed about to connect garb with proxysql how I was ...
2 votes
2 answers
2k views

Mysql: Is it possible to handle 1000 concurrent while having low cpu? [closed]

We're running Centos 7, we're in the process Mariadb 5.5, upgrading to 10.3 today. PHP 5. The queries are bad, and there are far too many of them to optimize, but I'm trying what I can, the database ...
0 votes
2 answers
301 views

PROXYSQL configuration over mysql galera replication [closed]

can I have same databases connected to two different proxysql configuration?
0 votes
0 answers
282 views

ProxySQL and MySQL cluster

This article describes the set-up of MySQL cluster with one cluster node, two data nodes and one MySQL server. This article describes the configuration of ProxySQL where, MySQL servers are added into ...
0 votes
1 answer
366 views

How to cache inserted data with ProxySQL to avoid delays

we are using MariaDB 10.2 with Galera plugin. Cluster consists of 4 nodes - 3 are busy service complex queries and 1 is more for a backup. Recently we came across ProxySQL and this sounds very ...
1 vote
0 answers
563 views

MHA vs Orchestrator

Im going to setup an HA solution. Im planning to use Orchestrator. But seems MHA is also doing well. If anyone already used/using any one these solutions, please suggest me to choose a right one ...
1 vote
2 answers
2k views

ProxySQL user not connecting - XtraDB

I'm trying to set up a xtraDB Cluster consisting of 3 nodes. Now i've got the cluster up and running and per the instructions i'm trying to set up ProxySQL for load balancing. So i've installed ...
0 votes
1 answer
534 views

Is good idea to implement ProxySQL in production with Docker?

The idea is to have solution with ProxySQL to give high availability solution with docker implementation? But this question maybe not have sense, I am to investigate alternative solution without VIP ...
2 votes
1 answer
784 views

ProxySQL equivalent of MaxScale schemarouter

background My employer developed a web application we provide on software-as-a-service terms to our customers. To allow for multiple customers with a huge mass of data to be stored in a database, we ...