Tag: MySQL

Log Buffer #252, A Carnival of the Vanities for DBAs

As we all look forward eagerly to 2012, bloggers around the gblobe are writing about their insightful reflections on 2011. You’re also welcome to write your’s regarding to database arena in the comments, if you like. This Log Buffer Edition welcomes you to the new year with festive posts from Oracle, SQL Server and MySQL bloggers in Log Buffer #252.

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Log Buffer #251, A Carnival of the Vanities for DBAs

ew Year is the time to bid farewell to the old year and welcome the coming year. It is the time to remember the golden olden blog posts. It is the time for new beginnings and new starts in life, and of course for new blog posts. Bloggers in the database arena are also enjoying the festivities with full zeal and zest and this Log Buffer Edition, which is Log Buffer #251 covers just that. Happy Holidays.

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Log Buffer #250, A Carnival of the Vanities for DBAs

Tis the season to be fearless in blogging and read the blogs around the database globe. To make your foray in intrepid world of database blogs, this Log Buffer Edition compiles some of the most interesting posts in this Log Buffer #250.

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Once again about innodb-concurrency-tickets

I had to refresh my knowledge on how InnoDB threads queue works the other day when debugging activity spikes on one of the customer’s production system and while I had general idea about InnoDB kernel and queue, thread concurrency and queue join delays I didn’t have a complete model of how InnoDB concurrency control works. So I started from manual…

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Log Buffer #249, A Carnival of the Vanities for DBAs

Welcome to Log Biffer #249, the weekly review of database blogs.

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Hashing Algorithm in MySQL PASSWORD()

Recently we had a question from a customer: What is the hashing algorithm implemented in PASSWORD() ?

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Hashing Algorithm in MySQL PASSWORD()

Recently we had a question from a customer: what is the hashing algorithm implemented in PASSWORD() ? The manual doesn’t give a straight answer in any of these two pages: http://dev.mysql.com/doc/refman/5.1/en/encryption-functions.html#function_password http://dev.mysql.com/doc/refman/5.1/en/password-hashing.html   It is enough to dig a bit…

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Building libMemcached RPMs

A client running CentOS 5.4 Amazon EC2 instances needed the latest libMemcachedversion installed. With the inclusion of the “make rpm” target, libMemcached makes it easy to build the libMemcached RPMs by doing the following: Spin up a new CentOS Amazon…

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Log Buffer #248, A Carnival of the Vanities for DBAs

Simple messages are the most powerful. Keep it simple is the advice given by top technologists. One reason why blogs are extremely popular is their simplicity. This simplicity comes from the shortness and focus of the message of the blog. This Log Buffer Edition collects some simple yet powerful blog posts for you in Log Buffer #248.

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Using HAProxy for MySQL failovers

There are a number of solutions available for MySQL architecture that provide automatic failover, but the vast majority involve potentially significant and complex changes to existing configurations. Fortunately, HAProxy can be leveraged for this purpose with a minimum of impact…

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