Questions tagged [proxysql]
The proxysql tag has no usage guidance.
23
questions
2
votes
1
answer
99
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, ...
- 121
0
votes
0
answers
55
views
How to make sure that SELECT mirroring rule is working in ProxySQL?
I have following servers:
Admin> SELECT * FROM mysql_servers;
+--------------+-----------------------------------+------+-----------+--------+--------+-------------+-----------------+---------------...
- 121
0
votes
1
answer
130
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 ...
- 11
0
votes
1
answer
137
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 ...
- 187
3
votes
2
answers
2k
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
402
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 ...
- 11
1
vote
1
answer
175
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 ...
- 11
0
votes
1
answer
108
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 ...
1
vote
1
answer
239
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 ...
0
votes
1
answer
38
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 ...
- 52
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 ...
- 159
0
votes
2
answers
261
views
PROXYSQL configuration over mysql galera replication [closed]
can I have same databases connected to two different proxysql configuration?
0
votes
0
answers
238
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 ...
- 145
0
votes
1
answer
323
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 ...
0
votes
1
answer
734
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
0
answers
191
views
Reading from two shards using ProxySQL
I have a table that has been sharded between two machines, and the same table on each machine holds different data (not replicated).
With ProxySQL, how can I create a mysql_query_rule that allows a ...
- 23
0
votes
0
answers
1k
views
Is ProxySQL Suitable for Connection Pooling Apps?
I'm looking for some guidance on whether ProxySQL is suitable as a method of failing over Java connection pool based apps in a multi-master replication (with read/write split) set up?
I've found ...
- 1
1
vote
0
answers
452
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 ...
- 1,860
0
votes
1
answer
118
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 ...
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 ...
- 21
0
votes
1
answer
527
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
755
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 ...
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 ...
- 581