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MySQL – Ivan Kuznetsov

https://www.ivankuznetsov.com/tag/mysql

Physicist turned software engineer turned entrepreneur turned product manager. High Performance MySQL by Baron Schwartz, Peter Zaitsev, and Vadim Tkachenko; O’Reilly Media. Peter and Vadim are long-term contributors to MySQL open source code base and are the founders of Percona, MySQL consultancy. This is really THE book about MySQL written by engineers who have spent more than a decade working on MySQL code. This book covers a lot of very complex topics from replication, clustering and sharding to high ...

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Book review: Programming Amazon EC2 – Ivan Kuznetsov

https://www.ivankuznetsov.com/2012/04/book-review-programming-amazon-ec2.html

Physicist turned software engineer turned entrepreneur turned product manager. Book review: Programming Amazon EC2. Should you buy a book on a new technology or just read technology provider’s guidelines, instructions and recommendations? This book was released over a year ago, so naturally it doesn’t cover all the latest developments that happened on Amazon AWS platform. For example Simple Email Service (SES) and Dynamo DB are not mentioned at all. 8220; But tests indicate that. 8221; A very strong yet ...

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Heat map visualization of sick day trends in Finland with R, ggplot2 and Google Correlate – Ivan Kuznetsov

https://www.ivankuznetsov.com/2012/04/heatmap-visualization-of-sick-day-trends-in-finland-with-r-ggplot2-and-google-correlate.html

Physicist turned software engineer turned entrepreneur turned product manager. Heat map visualization of sick day trends in Finland with R, ggplot2 and Google Correlate. Inspired by Margintale’s post “ ggplot2 Time Series Heatmaps. 8221; and Google Flu Trends. I decided to use a heat map to visualize sick days logged by HeiaHeia.com. Date count(*) user cnt 2011-01-01 123 12345 2011-01-02 456 67890 . Below is R source code for plotting the heat map. I made some small changes to the original code:. Click t...

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“High Performance MySQL” by Baron Schwartz, Peter Zaitsev, and Vadim Tkachenko; O’Reilly Media – Ivan Kuznetsov

https://www.ivankuznetsov.com/2013/06/high-performance-mysql-by-baron-schwartz-peter-zaitsev-and-vadim-tkachenko-oreilly-media.html

Physicist turned software engineer turned entrepreneur turned product manager. High Performance MySQL by Baron Schwartz, Peter Zaitsev, and Vadim Tkachenko; O’Reilly Media. Peter and Vadim are long-term contributors to MySQL open source code base and are the founders of Percona, MySQL consultancy. This is really THE book about MySQL written by engineers who have spent more than a decade working on MySQL code. This book covers a lot of very complex topics from replication, clustering and sharding to high ...

ivankuznetsov.com

Linode – Ivan Kuznetsov

https://www.ivankuznetsov.com/category/linode

Physicist turned software engineer turned entrepreneur turned product manager. Setting up and securing web server ( MySQL Rails/PHP) on Ubuntu 10.04 LTS. After repeating these operations many times in various setups, I decided to create a public set of instructions and share them with the world. This should be suitable for most of the simple web sites, utilizing Ruby on Rails or PHP. As the web server, Phusion Passenger. I’m using this setup most often on Linode. April 23, 2012. Two years ago, when we we...

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Travel – Ivan Kuznetsov

https://www.ivankuznetsov.com/category/travel

Physicist turned software engineer turned entrepreneur turned product manager. Informal notes from Strata 2012 conference on Big Data and Data Science. It’s been almost a month since I came back from California, and I just got around to sorting the notes from O’Reilly Strata conference. Spending time in the Valley is always inspiring – lots of interesting people, old friends, new contacts, new start-ups – it is the center of IT universe. By the way, Trulia (co-founded by Sami Inkinen. March 31, 2012.

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Bookshelf – Ivan Kuznetsov

https://www.ivankuznetsov.com/category/books

Physicist turned software engineer turned entrepreneur turned product manager. 8220;The Nordic Theory of Everything: In Search of a Better Life” by Anu Partanen. Is a Finnish journalist now living and working in the United States. In her new book “The Nordic Theory of Everything. In Search of a Better Life” she compares how Nordic/Finnish and American societies address key issues such as healthcare, education, parental leaves, unemployment. July 24, 2016. July 24, 2016. Book review: Programming Amazon EC2.

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Startups – Ivan Kuznetsov

https://www.ivankuznetsov.com/category/startups

Physicist turned software engineer turned entrepreneur turned product manager. Measuring user retention using cohort analysis with R. Cohort analysis is super important if you want to know if your service is in fact a leaky bucket. Despite nice growth of absolute numbers. There’s a good write up on that subject “ Cohorts, Retention, Churn, ARPU. 8221; by Matt Johnson. So how to do it using R and how to visualize it. Inspired by examples described in “ Retention, Cohorts, and Visualizations. Isna(highligh...

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Linux – Ivan Kuznetsov

https://www.ivankuznetsov.com/category/linux

Physicist turned software engineer turned entrepreneur turned product manager. Setting up and securing web server ( MySQL Rails/PHP) on Ubuntu 10.04 LTS. After repeating these operations many times in various setups, I decided to create a public set of instructions and share them with the world. This should be suitable for most of the simple web sites, utilizing Ruby on Rails or PHP. As the web server, Phusion Passenger. I’m using this setup most often on Linode. April 23, 2012. Easy navigation between m...