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10 Newer Entries Showing entries 31 to 40 of 71 10 Older Entries

Displaying posts with tag: installation (reset)

Scaling Wordpress and MySQL on Multiple Servers for Performance
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June 11, 2013 By Severalnines

Over the years, WordPress has evolved from a simple blogging platform to a CMS. Over seven million sites use it today, including the likes of CNN, Forbes, The New York Times and eBay. So, how do you scale Wordpress on multiple servers for high performance? 


This post is similar to our previous post on Drupal, Scaling Drupal on Multiple Servers with Galera Cluster for MySQL but we will focus on Wordpress, Percona XtraDB Cluster and GlusterFS using Debian …

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MySQL Sandbox supports latest MySQL releases, has more metadata and docs
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MySQL Sandbox has been updated again. The latest version is 3.0.38, which was just released. There were four releases in the space of one week, and this last one is just a polished edition.

Cherry-picking from the Change log:

  • Added option --bind_address to complement the effects of --remote_access;
  • The script 'enable_gtid' (for MySQL 5.6 +) now is durable. Previously the changes did not …
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Installing and administering Tungsten Replicator - Part 2 : advanced
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Switching roles

To get a taste of the power of Tungsten Replicator, we will show how to switch roles. This is a controlled operation (as opposed to fail-over), where we can decide when to switch and which nodes are involved.

In our topology, host1 is the master, and we have three slaves. We can either ask for a switch and let the script select the first available slave, or tell the script which slave should be promoted. The script will show us the steps needed to perform the operation.

IMPORTANT! Please note that this operation is not risk free. Tungsten replicator is a simple replication system, not a complete …

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Installing and Administering Tungsten Replicator - Part 1 - basics
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Tungsten Replicator is an open source tool that does high performance replication across database servers. It was designed to replace MySQL replication, although it also supports replication from and to Oracle and other systems. In this article, we will only cover MySQL replication, both simple and multi-master.

Preparing for installation

To follow the material in this article, you will need a recent build of Tungsten Replicator. You can get the latest ones from In this …

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Upgrading to MySQL 5.5 on Ubuntu 10.04 LTS
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Ubuntu does not provide an apt-get repository package for MySQL 5.5 on this older OS, however this is still a widely used long term support version. The following steps will upgrade an existing MySQL 5.1 apt-get version to a standard MySQL 5.5 binary.

Step 1. Remove existing MySQL 5.1 retaining data and configuration

sudo su -
service mysql stop
cp -r /etc/mysql /etc/mysql.51
cp -r /var/lib/mysql /var/lib/mysql.51
which mysqld
dpkg -P mysql-server mysql-server-5.1 mysql-server-core-5.1
which mysqld
which mysql
dpkg -P mysql-client-5.1 mysql-client-core-5.1
which mysql
dpkg -P libdbd-mysql-perl libmysqlclient16 mysql-common
# This …
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How to install MySQL succesfully on a Raspberry Pi
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For those starting to learn MySQL and want to install it on a Raspberry Pi: there is a little gotcha you should be aware of.

Disclaimer: Only run command if you know what it does. Always make sure you have backups of your important data.

First you need to put the official Raspbian image on your SD card and then boot the Raspberry Pi.

Then if you try to install mysql with "sudo apt-get install mysql-server-5.5" this will fail. The reason for this is that the filesystem on the SD card will become full. This can be seen by running the "df -h" command.

The SD card is probably 4GB. The filesystem …

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Tungsten Replicator cookbook. Advanced replication topologies made easy
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I have been asked many times to provide an easy way of deploying fan-in and star schema replication schemas. So far, I have been delayed by more pressing duties.

Now the time has come. Since we are about to release a new version of Tungsten Replicator, I made the effort of putting together the steps for an easy deployment.


The package (with downloads and svn code available at Tungsten-Replicator Toolbox) includes some juicy goodies. There are recipes to install.

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How common_schema installs itself
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Up till common_schema version 1.1, the user would need to choose from distinct distribution files: an install compatible with MySQL 5.1, one compatible with InnoDB Plugin enabled servers, and one compatible with Percona Server. The difference between the three is the availability of certain INFORMATION_SCHEMA tables.

With 1.1, this is no longer the case: common_schema auto-detects the server and available feature set, and installs accordingly.

Wait, isn't common_schema just a SQL file?

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Installing MySQL from source/binary tarball as a Linux service
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I've written before I prefer to do a manual install of MySQL over a repository one. I still do: I typically install from binary tarball or by compiling from source.

I'd like to share my setup procedure for Linux installation and service setup. I've done this dozens of times, on different Linux flavors, and it works well for me.

Installing from source

To get this straight: you sometimes have to compile the source files. I, for example, happen to use the Sphinx MySQLSE extension. You can only use it if compiled with …

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how to setup gitorious on ubuntu server 11.10
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In this tutorial I will describe how to setup gitorious on Ubuntu 11.10. Gitorious – a Ruby on Rails web application – can be used to conclude git projects in an easy to manage user interface. In the README of the gitorious repository I found the evidence “One of the main challenges in Gitorious is its installation process. It is anything but trivial.” – It appears correct During the installation I got some errors by the sphinx search engine and some ruby gems. You will find the workarounds in this tutorial.


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10 Newer Entries Showing entries 31 to 40 of 71 10 Older Entries

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