SRE / DevOps / Kubernetes Weekly Reportまとめ#67(2021/5/9) - 運び屋 (A carrier(forwarder) changed his career to an engineer)

タイトルは「Packaging and deploying AWS Lambda functions written in Java with AWS Cloud Development Kit」。
上記の通り、AWS CDKを介して外部依存関係を持つJavaで記述されたLambda関数をビルドしてパッケージ化する方法を解説している。

Pyston is an alternative Python runtime (technically a fork of CPython) that purports to be 30% faster for common workloads. Originally developed at Dropbox, Pyston is now an open source project.

タイトルは「Pyston v2.2: faster and open source」。
Pythonのより高速な実装である「Pyston」の最新バージョンであるPyston v2.2を紹介している。

Jobs

Gitpod.io is looking for senior engineers helping to build out our SRE team.

Want to work in open source and fully-remote with some of the world's most talented K8s and developer tools engineers? You are obsessed with DevX and automating our workflows? We pioneered the concept of dev-environments-as-code and provision automated and ready-to-code development environments that blend in your existing workflow. We'd love to hear from you.

上記の通り、シニアエンジニアの複数ポジションの求人情報。

Tools

Pixie is an observability stack for Kubernetes applications. It provides dashboards and a handy CLI tool, and doesn’t require complex instrumentation.

コードを変更せずにメトリック、イベント、トレース、およびログにアクセスでき、即座に可視性を提供する「Pixie」のWebページ。
GitHubページはこちら。

DazedAndConfused is a tool for helping identify dependency confusion attacks, with support for a wide range of different package managers.

依存関係を判断するのに役立つツール「DazedAndConfused」のGitHubページ。

kcp is a prototype of a Kubernetes API server that is not a Kubernetes cluster. If you’re interested in Kubernetes-like APIs but for other tools this might be interesting to watch.

最小限のKubernetes APIサーバー「kcp」のGitHubページ。

Pinniped is the easy, secure way to log in to your Kubernetes clusters, including support for OpenID Connect.

Kubernetesクラスターの認証サービス「Pinniped」のWebページ。

SRE Weekly Issue #269 May 9th, 2021

Articles

Edgar: Solving Mysteries Faster with Observability

We built Edgar to ease this burden, by empowering our users to troubleshoot distributed systems efficiently with the help of a summarized presentation of request tracing, logs, analysis, and metadata.

Kevin Lew, Maulik Pandey, Narayanan Arunachalam, Dustin Haffner, Andrei Ushakov, Seth Katz, Greg Burrell, Ram Vaithilingam, Mike Smith and Elizabeth Carretto — Netflix

Netflix社の分散システムのトラブルシューティングを行うためのセルフサービスツールである「 Edgar」を紹介している2020/09/03の記事。当時の段階で「オープンソース化の要望」に対しては、以下の回答であった。
- Unfortunately, we don't have any short-term plans to open source Edgar, but it's on our radar as something to consider. A lot of Edgar is very Netflix-specific, and we'd have some work to do to make it abstract enough and consumable enough for open source. But maybe someday!

The Comprehensive Site Reliability Engineering (SRE) PDF

The PDF covers 5 main areas:

Availability
Performance
Monitoring
Incident Response
Preparation

No account required or form to fill out to download the PDF.

Splunk/VictorOps

ガイドブック「Resilience First」から上記5つのSREの「Core components of SRE」を中心に解説している。
末尾に「Additional SRE resources」のコーナーで他の参考資料を紹介している。

What are MTTx Metrics Good For? Let’s Find Out.

This one’s especially interesting for the section about what MTTx metrics aren’t good for, and the following section on how to improve them.

Emily Arnott — Blameless

タイトル通り、Xまでの平均時間を表すMTTx Metricsの良さを下記のポイントで解説している。
- What are common MTTx metrics and why are they used?
- What are some problems with relying on MTTx metrics?
- How can I make MTTx metrics more helpful?
- How do I move away from shallow metrics?
- How better metrics help build a blameless culture