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CyberAgent Developers Blog

2024/11/28 19:182024/11/28 19:18

I spoke at a joint SRE study session with six companies | CyberAgent Developers Blog

This is a blog post reflecting on the presentation "Cross-functional SRE Promotion and Maturity Assessment" given at a joint SRE study session held on March 12, 2022, by six companies: LINE, Recruit, DeNA, Mercari Group, Cookpad, and CA.

https://developers.cyberagent.co.jp/blog/archives/34738/

Transitioning manually created AWS resources into Terraform as easily as possible | CyberAgent Developers Blog

This article introduces how to easily incorporate manually created AWS resources into Terraform using Terraform and Terraformer. This time, we'll demonstrate how to incorporate AWS resources that haven't been touched in six years using Terraformer.

https://developers.cyberagent.co.jp/blog/archives/33331/

We asked Topotal's CTO, @rrreeeyyy, about SRE! | CyberAgent Developers Blog

This is Ozawa from the Service Reliability Group (SRG) of the Technology Division. #SRG (Service Reli...

https://developers.cyberagent.co.jp/blog/archives/31404/

We held a MongoDB study session | CyberAgent Developers Blog

First, I'm Kobayashi from the Service Reliability Group (SRG) of the Technology Division. #SRG (Service...

https://developers.cyberagent.co.jp/blog/archives/30822/

Is the current method for backing up Aurora MySQL really sufficient? | CyberAgent Developers Blog

This article introduces a method using binary logs to revert to a point immediately before an incorrect query occurred, rather than restoring using the usual date and time specification.

https://developers.cyberagent.co.jp/blog/archives/29925/

Considering ways to switch to RDS Graviton2 with minimal risk [Upgrade Edition] | CyberAgent Developers Blog

I've picked out several methods for upgrading RDS Aurora MySQL and compared them.

https://developers.cyberagent.co.jp/blog/archives/29438/

Are you really running your services properly?! We held an AWS Observability Workshop where you can learn about operational monitoring!

This article is a report on the AWS Observability Workshop that was specially held for the CyberAgent Group and several other companies. We hope that this article will provide an opportunity to reconsider what operations truly mean.

https://developers.cyberagent.co.jp/blog/archives/29187/

Introduction to Database Working Group Activities | CyberAgent Developers Blog

First, I'm Kikai from the Service Reliability Group (SRG) of the Technology Division. #SRG (Service...

https://developers.cyberagent.co.jp/blog/archives/28932/

Autoscaling self-hosted runners with actions-runner-controller

If you want to use GitHub Actions with GHES, GitHub-hosted runners are not available, so you will have to choose self-hosted runners. However, installing self-hosted runners according to the official installation method has issues such as lack of idempotency and inability to autoscale according to the job queue. actions-runner-controller is a tool that can run self-hosted runners while solving these issues.

https://developers.cyberagent.co.jp/blog/archives/28713/

Backing up MySQL directly to Amazon S3 using Percona XtraBackup | CyberAgent Developers Blog

This is Hasegawa @rarirureluis from the Service Reliability Group (SRG) in the Technology Division ☺ # ...

https://developers.cyberagent.co.jp/blog/archives/28454/

Migrating from CentOS Linux 8 to CentOS Stream 8 is incredibly easy | CyberAgent Developers Blog

This is Hasegawa @rarirureluis from the Service Reliability Group (SRG) in the Technology Division ☺ # ...

https://developers.cyberagent.co.jp/blog/archives/28180/

Switching to Arm on Amazon EC2 has brought nothing but happiness | CyberAgent Developers Blog

This is Hasegawa @rarirureluis from the Service Reliability Group (SRG) at the Technology Division 👳 # ...

https://developers.cyberagent.co.jp/blog/archives/27782/

We held Japan's first ever fully online AWS GameDay!

This article is a report on the AWS GameDay event that was specially held last month in August for CyberAgent Group companies.

https://developers.cyberagent.co.jp/blog/archives/26934/

The past and future of Baikonur, an open-source project for infrastructure.

Long time no see! This is @prog893, who loves writing long articles. I'd like to talk about Project Baikonur, a project I've been working on for some time now to open-source infrastructure-related things. Project Baikonur is a project at our company to open-source Terraform modules, various infrastructure-related tools, and tools to improve development efficiency. It originally started as an internal open-source project, and after various circumstances that I will explain in this article, we decided to make it publicly available on GitHub. We are releasing modules and tools so that they can be used outside the company as well.

https://developers.cyberagent.co.jp/blog/archives/23889/

A must-see for business leaders! Effectively utilize the AWS Well-Architected Framework for your business @AWS Summit Tokyo 2019

This is an article about my presentation at AWS Summit Tokyo 2019. This time, I gave a presentation based on the case of "Ameba Fortune Telling SATORI," a service provided by ASTROBOX Co., Ltd. I explained how we utilized the AWS Well-Architected Framework when migrating a system that was running on a private cloud to AWS, and also introduced our own CA Well-Architected Framework.

https://developers.cyberagent.co.jp/blog/archives/21982/

Challenges to achieve a well-architected organization

This article is the 13th entry in the CyberAgent Developers Advent Calendar 2018. Hello, we are Tsuge and Okada from the Service Reliability Group of the Technology Division. This time, we would like to introduce the activities we are undertaking from an organizational perspective.

https://developers.cyberagent.co.jp/blog/archives/19224/

How are CA engineers keeping up with cutting-edge technologies? AR/VR Study Session Report

This is @prog893 from CyberAgent's Technology Division, known for DB acceleration and AWS ECS debugging. At the CyberAgent Share House, where I currently live, which is for engineers and creators, study sessions and social gatherings are regularly held by the residents. This time, I'd like to introduce a recent meeting titled "Discussing the Present and Future of AR/VR."

https://developers.cyberagent.co.jp/blog/archives/17247/

Are you using EC2 Auto-Scaling for your ECS instance? Are you experiencing high error rates? Can I help you? | CyberAgent Developers Blog

This is @prog893, an infrastructure engineer at CyberAgent's Technology Division. This time, I'd like to talk about improvements to the infrastructure of our music streaming service, "AWA." Specifically, I'll discuss the significant improvements we've made to the error rate in both the music download and streaming layers.

https://developers.cyberagent.co.jp/blog/archives/14664/

The path to achieving a complete recovery in 55 minutes even when the database is completely wiped | CyberAgent Developers Blog

Hello. I'm @prog893, an infrastructure engineer at CyberAgent's Technology Division. Today, I'd like to share the infrastructure improvements we made to shorten the recovery time of the MongoDB cluster for our music streaming service, "AWA." We were able to reduce the recovery time from 12 hours to 55 minutes, and I hope this will be helpful to you all.

https://developers.cyberagent.co.jp/blog/archives/13597/

AWS and GCP NVMe Disk Performance Comparison | CyberAgent Developers Blog

This is Tsuge from the Technology Division. This article is by Urushida, who participated as an intern in the Service Reliability Group of the Technology Division for one month.

https://developers.cyberagent.co.jp/blog/archives/6623/

The image distribution system that powers Ameba and the Lsyncd that supports it | CyberAgent Developers Blog

Hello everyone, nice to meet you. I'm Kirii, and I joined the company as a new graduate in 2016. I work in the Technology Division, mainly on infrastructure tasks related to Ameba's core systems. My back hurts. If you know of any good chiropractic clinics near Shibuya, please let me know.

https://developers.cyberagent.co.jp/blog/archives/3572/

GitHub Universe 2016 Report

Hello everyone!!! My name is @kakerukaeru. I usually help facilitate discussions by posting the best ASCII art on Slack, lighten the mood by making silly collages, and accidentally post contradictory ASCII art in the wrong places. I also occasionally take care of the infrastructure for content distribution and manage GHE.

https://developers.cyberagent.co.jp/blog/archives/3233/

Ameba Blog 2016: Infrastructure Edition ~Behind the Scenes of a Large-Scale Renewal~ | CyberAgent Developers Blog

I'm Nakajima (@nakashii_), an infrastructure engineer in the Technology Division at CyberAgent. This is my first time writing an article for the engineer blog. This article is the first entry in the CyberAgent Developers Advent Calendar 2016.

https://developers.cyberagent.co.jp/blog/archives/2653/

Summary of AbemaTV Developer Conference 2016 | CyberAgent Developers Blog

Hello everyone, I'm Suzuki from AbemaTV, Inc., working on front-end development for FRESH!. This...

https://developers.cyberagent.co.jp/blog/archives/1010/