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Showing entries 1 to 10 of 73 10 Older Entries

Displaying posts with tag: Tech (reset)

Google Cloud SQL Second Generation is available
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Recently Google announced, that the second generation of Cloud SQL left the beta state and it is available. I decided to take a look, because last time when I checked it, it looked good, but I couldn’t take it seriously because of the nonexistent SLA. I have a few databases running on Amazon RDS, but I don’t […]

MySQL 5.7 Introduces a JSON Data Type
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There's a new JSON data type available in MySQL 5.7 that I've been playing with. I wanted to share some examples of when it's useful to have JSON data in your MySQL database and how to work with the new data types (not least so I can refer back to them later!)

MySQL isn't the first database to offer JSON storage; the document databases (such as MongoDB, CouchDB) work on a JSON or JSON-ish basis by design, and other platforms including PostgreSQL, Oracle and SQL Server also have varying degress of JSON support. With such wide adoption as MySQL has, the JSON features are now reaching a new tribe of developers.

Why JSON Is Awesome

Traditional …

  [Read more...]
MySQL 5.7 Introduces a JSON Data Type
+0 Vote Up -0Vote Down

There's a new JSON data type available in MySQL 5.7 that I've been playing with. I wanted to share some examples of when it's useful to have JSON data in your MySQL database and how to work with the new data types (not least so I can refer back to them later!)

MySQL isn't the first database to offer JSON storage; the document databases (such as MongoDB, CouchDB) work on a JSON or JSON-ish basis by design, and other platforms including PostgreSQL, Oracle and SQL Server also have varying degress of JSON support. With such wide adoption as MySQL has, the JSON features are now reaching a new tribe of developers.

Why JSON Is Awesome

Traditional …

  [Read more...]
My MySQL command prompt
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Earlier this week we had a discussion with fellow DBAs about our mysql prompts, and at the end of the day it showed up, that a lot of us hit the same problem. The problem is, that when you set up your mysql prompt then ‘\h’ will be resolved to ‘localhost’ when you connect locally […]

MySQL/docker performance report update
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Saturday I was in my favourite grocery store, standing in the line, browsing the net on my phone. I read Vadim Tkachenko‘s blog post about Measuring Percona Server Docker CPU/network overhead and his findings were the opposite than mine – he didn’t found any measurable difference. Reading his post, he did found huge impact in networking which I didn’t […]

MySQL in docker or native – performance benchmarks
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Back in October I have write about possible ways of running multiple MySQL instances on the same hardware. As the months passing by, the project of splitting our database schemas into standalone instances is closing in, so I started to check the different ways. EDIT: This post is outdated, here is the follow up. I started […]

Learnings from Swift becoming opensource
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Swift is now opensource, and it’s interesting to see Craig Federighi talk about it. This is Apple doing right, considering FaceTime is long overdue to being an open standard. People are nitpicking on Apple’s Open Source …

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About the unix philosophy, and why I broke it – and then how I moved back to the old track
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I am always fascinated about the cleanliness  of UNIX . One tool only should do one thing, but it has to be the best in that way. The operating system itself will glue all the modules together and give you a complex feel of a system, you don’t have to take care of huge, bloated software, don’t […]

Streaming MySQL binary logs for backup
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With MySQL it is relatively easy to create point in time restores. All you need is a recent(ish) backup, and a bunch of saved binary logs. You can restore the backup you have, and when it is completed, you can use mysqlbinlog utility to apply your saved binary logs to the desired state of your database. I […]

Running multiple instances on the same hardware
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Currently we have one database cluster with 15 different schemas – these schemas could be either schemas which contain “real” data, or just schemas with metadata. I guess the next evolutionary step of our database stack would be to split up the database cluster vertically along these schemas. All the data schemas should be moved to standalone mysql instances, […]

Showing entries 1 to 10 of 73 10 Older Entries

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