MySQL

Log Buffer #255, A Carnival of the Vanities for DBAs

With winter and its cold weather starting to set in across most of the world, now is the time when travelers start to think about warming things up. For most, that means flying to hot and sunny destinations. Another way of looking at it, however, is to head out for a different kind of sizzle. There’s perhaps no better way to heat up the chilling months with blogging. Let’s snuggle up in this Log Buffer Edition with hot blog posts in Log Buffer #255.

Log Buffer #254, A Carnival of the Vanities for DBAs

After having party and festive time during holidays, bloggers are returning with reinvigorated zest and with uplifted zeal and the blogs are sprouting energy and promise. The new year is already here and the blogs across the database rainbow are oozing colors of all kinds. This Log Buffer Edition depicts some of them in Log Buffer #254.

Starting MySQL from cold backup: Replication stopped

A few days ago, we faced a Duplicate entry problem in the mysqld server on one of our customer’s slave after cold backup. We made some recommendations to the Customer (read them here) in which the option 3 was chosen as the slave was dedicated for backup’s and a quick solution applicable for their data set and timeline for resolution of the issue.

Nagios Check Calculated on Mysql Server Variables

Nagios Check For Calculating Based on Mysql Server Variables Recently we needed to make a change for a client to one of our mysql monitoring tools so I thought it would be a good opportunity to highlight the tool and discuss some of the changes that I made. You can access the tool on Github…

Log Buffer #253, A Carnival of the Vanities for DBAs

A very very Happy New Year 2012 to all of you. These are the festive and jubilant times when people look back on previous years and make plans for their new year and beyond. Well, this Log Buffer Edition is no different. This week covers the new year posts of the bloggers across the database arena in Log Buffer #253.

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.

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.

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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