Webinar slides: High Availability in ProxySQL

Copyright 2017 Severalnines AB

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Your host & some logistics

I'm Jean-Jérôme from the Severalnines Team and I'm your host for today's webinar!

Feel free to ask any questions in the Questions section of this application or via the Chat box.

You can also contact me directly via the chat box or via email: [email protected] during or after the webinar.


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About Severalnines and ClusterControl


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What we do

Manage Scale

Monitor Deploy


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ClusterControl Automation & Management

! Provisioning !Deploy a cluster in minutes !On-premises or in the cloud (AWS)

! Monitoring ! Systems view ! 1sec resolution !DB / OS stats & performance advisors !Configurable dashboards !Query Analyzer ! Real-time / historical

! Management ! Multi cluster/data-center ! Automate repair/recovery ! Database upgrades ! Backups ! Configuration management ! Cloning ! One-click scaling


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Supported Databases


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Customers


High Availability in ProxySQL

April 4, 2017

Krzysztof Książek

Severalnines

[email protected]

René Cannaò

ProxySQL

[email protected]

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mailto:[email protected]



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Agenda


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Agenda

! HA setups for ProxySQL

! ProxySQL Distributed configuration

! Demo of ProxySQL HA deployment in ClusterControl


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HA setups for ProxySQL


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One single ProxySQL instance


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One single ProxySQL instance

! Simple setup

! Single point of failure

! Not suitable for Production


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Improve resilience on single ProxySQL host

! Automatic restart on failure

! built-in feature

! systemd / supervisord / others

! Multiple ProxySQL instances on single port

! requires kernel >= 3.9


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Multiple ProxySQL hosts


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Multiple dedicated ProxySQL hosts

! Requires load-balancing in the application

! or built-in in the driver

! Load balancer on top of ProxySQL


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Multiple ProxySQL hosts


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One ProxySQL instance per application server


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One ProxySQL instance per application server

! No single point of failure

! Each application server has one proxy

! No need for load balancer

! It scales to hundreds of nodes

! No possibility to share cache


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Silos approach


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Silos approach

! Reduced the number of ProxySQL instances

! No need for load balancer

! It scales to hundreds of nodes

! More efficient uses of resources


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Keepalived + VIP

VIP


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Keepalived + VIP + LB

VIP


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Keepalived + VIP + LVS

VIP


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Multi-layer + Keepalived + VIP + LVS

VIP


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Multi-layers


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Silos + Multi-layers


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Combine multiple technologies

! Automatic restart

! Multiple instances on same ports

! Silos

! Multi-layers

! Keepalived


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KISS principle

! Keep it simple, stupid

! Find the best solution for your setup


ProxySQL Distributed configuration

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Distributed configuration

! Not built-in yet

! Configuration managed externally

! Infrastructure orchestration tools

! Scripts

! Failover management tools


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Configuration file

! Easy to read

! No input validation

! No rollback

! Useful for bootstrap

! Ignored if database file is present


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Admin interface and database config file

! Embedded SQLite database

! Input validation

! 3 configuration layers

! Configurable remotely

! Accessible by any tool able to send SQL queries

! Export metrics and allows joins


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Admin interface - automatic failover

! ProxySQL Monitor

! ClusterControl : https://severalnines.com/product/clustercontrol

! Orchestrator : https://github.com/github/orchestrator

! MHA : https://github.com/yoshinorim/mha4mysql-manager

! ProxySQL Scheduler


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Admin interface - configuration

! ClusterControl : https://severalnines.com/product/clustercontrol

! proxysql-admin : https://github.com/percona/proxysql-admin-tool

! Ansible : https://github.com/bmildren/ansible/tree/proxysql_support

! Puppet : https://github.com/voxpupuli/puppet-proxysql/

! proxysql-tools : https://github.com/twindb/proxysql-tools

https://github.com/twindb/proxysql-tools


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Admin interface - service discovery

! Consul

! etcd

! zookeeper


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Admin interface - monitoring

! ClusterControl

! Collectd

! Diamond

! Graphite

! Datadog

! Grafana


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Admin interface - alerting

! ClusterControl

! Nagios

! Sensu

! Pagerduty

! OpsGenie


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Demo


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Thank You!! Severalnines resources on ProxySQL

! https://severalnines.com/blog/using-clustercontrol-deploy-and-configure-proxysql-top-mysql-replication

! https://severalnines.com/blog/sharding-mysql-mysql-fabric-and-proxysql

! https://severalnines.com/blog/how-proxysql-adds-failover-and-query-control-your-mysql-replication-setup

! https://severalnines.com/blog/how-set-read-write-split-galera-cluster-using-proxysql

! https://severalnines.com/resources/webinars/mysql-mariadb-load-balancing-proxysql-clustercontrol-introduction-webinar

! Install ClusterControl:

! https://severalnines.com/download-clustercontrol-database-management-system

! Contact: [email protected]

https://severalnines.com/blog/using-clustercontrol-deploy-and-configure-proxysql-top-mysql-replication

https://severalnines.com/blog/sharding-mysql-mysql-fabric-and-proxysql

https://severalnines.com/blog/how-proxysql-adds-failover-and-query-control-your-mysql-replication-setup

https://severalnines.com/blog/how-set-read-write-split-galera-cluster-using-proxysql

https://severalnines.com/resources/webinars/mysql-mariadb-load-balancing-proxysql-clustercontrol-introduction-webinar

https://severalnines.com/download-clustercontrol-database-management-system


Webinar slides: High Availability in ProxySQL

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