The First Cry of Atom

Digdag was released from Treasure Data. This is a highly scalable distributed workflow engine. It was developed for both analyst and engineers in order to make their daily batch and adhoc jobs more easy. The important part I want to say here is we can define workflow in one file... [Read More]

Wiley gave me another chance to write a book about Big Data technology. This was offered at the almost same time when I started to write Spark book that is introduced previously because they expected me to write something about Hadoop too. So this is a book about Hadoop especially... [Read More]

mysqldump is a useful tool for migration of database. This tool enables us to move a data into another database through human readable format, SQL. But as default mysqldump dumps all records in all tables in database. I wanted to use mysqldump as a tool to move only specified record... [Read More]

I searched several themes which available for Jekyll from yesterday. Indigo is the best and minimal one which fit my favor. If you want to try this design, please follow the instruction written in README. [Read More]

I updated the site powered by Jekyll from Octopress. [Read More]