Actually, the slide is 12 databases in 25 minutes (and 20 minutes of theory) by Eric Redmond (@inviite). Complex data: A lot of data isn’t really complex, it’s just modeled in a complex way. “Complexity is a symptom of confusion, not a cause” Jeff Hawkins. NoSQL Linear Scalability Ability to be Distributed Low Latency …
March of bloggers goes on and so is the unstoppable production of the blog posts. It’s getting more exciting week after week watching the new and old bloggers adding spice to the database blogosphere. This edition of Log Buffer brings some of the simmering and scintillating posts from around the globe in Log Buffer #225.
While trying to move a schema from one MySQL server to another, I encountered a very odd issue. The schema to be moved contained both MyISAM and InnoDB tables, so the only option I had was to dump the schema using mysqldump on the source server and import it on the destination server. I did some digging and found that the problem was that the MyISAM engine silently changed the table definition without any indications. Here are some solutions.
In this blog, i’m going to review a recent MySQL upgrade I have done on one of the systems I am involved in administering. This is a real world example of an upgrade project, and hopefully when we’re done, there may even be an overall performance boost.
There are many variates of mangoes and its hard to pick from them as they all are so sweet and eye catching. Same is the case with the database related blogs, when it comes to selection for the edition of Log Buffer. So once again here you are, about to savor the sweet blogs in Log Buffer #224.
This post has sample configurations, and an update, to the Nagios plugin called mysql_health_check.pl that PalominoDB has developed. Presentation slides, the presentation video, the whitepaper and the download link to the actual Nagios check are always up-to-date at http://palominodb.com/about-us/projects. There has been exciting news for the Nagios plugin PalominoDB developed for MySQL — we now have…
Let us talk how OPTIMIZE partitions doesn’t work and what to do. I have set up a simple test instance with two tables, and use my stresstool (java), to fill the tables and play with the inserting threads.
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Social media is buzzing with the news and views of bloggers. From the database side of this glorious media, we have picked out some of the gems for you in this edition of Log Buffer, which is the Log Buffer #223.
Using algorithm described in “Relational Database Index Design and the Optimizers by Tapio Lahdenmaki and Mike Leach”, I quickly came up with two indexes and while first one looked fine, I was really confused by the second one for the elimination of the sort. Let me show an example, not copy one from the book, but rather show a test I did with MySQL.