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KUSANAGI Fully Managed Service Case Example: DIGIDAY Japan


Prime Strategy
Prime Strategy Co., Ltd.

Digital Marketing Media Site DIGIDAY Japan Begins Using
Ultrafast WordPress Virtual Machine KUSANAGI
Achieving Performance Resolution and High Speed WordPress

TOKYO – April 27th, 2016 – Prime Strategy Co., Ltd. (hereby referred to as Prime Strategy) today announced that the digital marketing media site DIGIDAY Japan has begun using KUSANAGI Fully Managed Service with the ultrafast WordPress execution environment KUSANAGI for AWS. KUSANAGI is capable of an execution time of 3 milliseconds and 1000 requests per second without page caching.

Issues of DIGIDAY Japan

・Needed an infrastructure built to handle high traffic
・Development time limit was very short
・Needed developers who could understand foreign WordPress templates

Results of Using KUSANAGI Fully Managed Service

・An extremely fast WordPress environment was created in a short time
・Resolved the performance issues associated with heavy traffic
・Tuning and new technology available even after launch

Comment from Takumi Miyamoto, System Engineer at Mediagene

Since we were on such a tight schedule, we wanted the most accomplished in the field, so we asked Prime Strategy. We began talks in June, development started in August, and the site was to be released on September 1st. However, in the beginning of development, we had other projects to focus on, so it became a group effort from the middle of August. With KUSANAGI, we now have maximum performance. We receive tuning even after launch, and heavy traffic from advertisement or curation sites doesn’t affect the site. Lowered performance is a thing of the past, and we now have 1,400,000 page views a month. We had worries about the WordPress template itself, but so far we have no problems.

DIGIDAY Japan’s Site Infrastructure

DIGIDAY Japan uses nginx, php-fpm, and MariaDB Galera Server. It utilizes two instances with Elastic Load Balancing to reduce load, and uses Availability Zones to increase availability.


Case Example Details


About Ultrafast WordPress Virtual Machine KUSANAGI

KUSANAGI is a free and open source virtual machine image developed by Prime Strategy, and it is the world’s fastest WordPress execution environment. Even without using page caching, a quad-core CPU WordPress execution time is 3 milliseconds and requests per second surpass 1000. If you choose to use page caching, requests per second will increase to the 60,000 range.

For more information about KUSANAGI, please visit:

About KUSANAGI Fully Managed Service

We will fine-tune everything: the handling of hardware and middleware, revisions of themes and plugins, optimization of SQL, and reviewing of database structure. With measures in place to continuously improve and maintain performance, we offer a whole-package WordPress hosting service.

For more information about KUSANAGI Fully Managed Service, please visit:

KUSANAGI framework

・WordPress latest version (KUSANAGI dedicated plug-ins included)
・CentOS 7
・Nginx 1.9
・Apache 2.4
・HHVM 3.12
・PHP 7.0 (php-fpm, Cli)
・PHP 5.6 (php-fpm, Cli)
・MariaDB Galera Server 10.0

KUSANAGI Development Policy

More than 25% of the world’s websites now use WordPress. Many people are already enjoying its merits. But on the other hand, large-scale sites have begun to wonder if they can use it, too. In order to meet their demand, we developed the world’s fastest WordPress execution environment KUSANAGI.  KUSANAGI offers the latest technology and solutions as well as increased convenience and an improved operating environment for people already using WordPress. We hope to further develop KUSANAGI to make one of WordPress’ merits “high speed”.

About Prime Strategy Group

Prime Strategy Group is a cloud integrator solving the issues of cloud computing for global companies, beginning with Asia. With presences in Japan, Singapore, and Indonesia, we offer cloud integration services, mainly in the form of SI and MSP on cloud platforms.

On the business front, we architect web systems for government bodies as well as corporations that represent both domestic and foreign industries. These include the Japan Aerospace eXploration Agency (JAXA), the University of Tokyo, TV Asahi, Mynavi, Adobe Systems, JTB Asia Pacific, and Bank Negara Indonesia. We have also constructed many large-scale WordPress sites in Japan.

We created the Ultrafast WordPress Virtual Machine KUSANAGI from years of experience. The VM is offered for free on most major cloud platforms, and we recommend KUSANAGI Fully Managed Service as a one-stop tuning and maintenance service from server to WordPress itself.

For inquiries related to this article, please contact Kusunoki or Yoshimasa, our public relations managers at Prime Strategy.
E-mail: pr@prime-strategy.co.jp
Address  Otemachi 21 Bldg. 5F, 1-4-1 Uchikanda, Chiyoda-ku, Tokyo
URL: https://en.prime-strategy.co.jp/
TEL: 03-5577-6176 / FAX: 03-5577-6643

All products and names are registered trademarks of their respective companies.

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