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Displaying posts with tag: aws (reset)
Compile at CentOS 6.5 the new MySQL webscalesql-5.6.17 branch by Facebook, Google, LinkedIn, and Twitter

http://webscalesql.org/

yeah , big buzz around that one

So I decided to check the install process:

1. Clone the repo from

root@webscalesql-5.6.clean:[Mon Mar 31 11:37:11][~]$ cd /opt/
root@webscalesql-5.6.clean:[Mon Mar 31 11:37:15][/opt]$ mkdir installs
root@webscalesql-5.6.clean:[Mon Mar 31 11:37:17][/opt]$ cd installs/
root@webscalesql-5.6.clean:[Mon Mar 31 11:37:19][/opt/installs]$ git clone https://github.com/webscalesql/webscalesql-5.6.git
Initialized empty Git repository in /opt/installs/webscalesql-5.6/.git/
remote: Counting objects: 30397, done.
remote: Compressing objects: 100% (12678/12678), done.
remote: Total 30397 (delta 18716), reused 27620 (delta 16936)
Receiving objects: 100% (30397/30397), 47.99 MiB | 460 KiB/s, done.
Resolving deltas: 100% (18716/18716), done.

2. …

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We're hiring!

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Build/Test Engineer Senior Database Availability and Clustering Engineer Senior Database Replication Engineer Data Replication Sales Engineer Clustering and Replication Test Development Engineer

If you want to get in on the ground floor of a growing company in a challenging field

ClusterControl 1.2.5 Released

March 5, 2014 By Severalnines

The Severalnines team is pleased to announce the release of ClusterControl 1.2.5. This release contains key new features along with performance improvements and bug fixes. We have outlined some of the key features below. 

For additional details about the release:

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Connect to MySQL in the Amazon Public Cloud

Troubleshooting MySQL on Amazon can be a real test of patience. There are quite a few different things to watch out for in terms of connectivity & networking. Sometimes a checklist can help. Join 16,000 others and follow Sean Hull on twitter @hullsean. Here’s my exhaustive list of things that can block you. 1. Be […]

Multi-master, multi-region MySQL deployment in Amazon AWS

MySQL data rules the cloud, but recent experience shows us that there's no substitute for maintaining copies of data, across availability zones and regions, when it comes to Amazon Web Services (AWS) data resilience. In this webinar, we discuss the multi-master capabilities of Continuent Tungsten to help you build and manage systems that spread data across multiple sites. 

We cover topics such

ClusterControl 1.2.4 Released

November 19, 2013 By Severalnines

The Severalnines team is pleased to announce the release of ClusterControl 1.2.4. This release contains key new features along with performance improvements and bug fixes.

We have outlined some of the key features below. For additional details about the release:

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Will AWS plans for PostgreSQL RDS help it finally pick up?

"Amazon to add Postgres to its most-favored database list" says GigaOM:

MariaDB now in the AWS Marketplace

Saw this on @awsmarketplace the other day:

#opensource #MariaDB by @SkySQL on @AWSMarketplace http://t.co/o3KQ9xe9sr #mysql

— AWS Marketplace (@awsmarketplace) October 8, 2013

Now on the AWS Marketplace, you can …

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An unexplained connection experience

The “Too many connections” problem is a common issue with applications using excessive permissions (and those that grant said global permissions). MySQL will always grant a user with SUPER privileges access to a DB to investigate the problem with a SHOW PROCESSLIST and where you can check the limits. I however found the following.

mysql> show global variables like 'max_connections';
+-----------------+-------+
| Variable_name   | Value |
+-----------------+-------+
| max_connections | 2000  |
+-----------------+-------+
1 row in set (0.00 sec)

mysql> show global status like 'max%';
+----------------------+-------+
| Variable_name        | Value |
+----------------------+-------+
| Max_used_connections | 6637  |
+----------------------+-------+
1 row in set (0.00 sec)

How can the max_used_connection exceed max_connections? This is possible because you can dynamically change max_connections in a normal MySQL environment. However …

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Continuent Tungsten Use Case: Modernizing Medicine, a SaaS solution running on Amazon AWS

Learn how Modernizing Medicine, an electronic medical records company, serves thousands of customers and leverages Continuent Tungsten to manage databases on Amazon AWS. Modernizing Medicine is as fast growing SaaS company, offering electronic medical records management solution for thousands of small and medium-sizes dermatology, ophthalmology, optometry, plastic surgery, cosmetic and

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