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Kafka without ZooKeeper
Major milestone release Apache Kafka 4.0 removes ZooKeeper entirely, provides early access to Queues for Kafka, and enables faster rebalances, in addition to many other new KIPs.
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 2,538 posts.
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Moving our Encrypted DNS servers to run in RAM
We recently announced the completion of our migration to remove all traces of disks in use on our VPN infrastructure.
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Kafka is dead, long live Kafka
Chances are you probably had a strong reaction to the title of this post. In our experience, Kafka is one of the most polarizing technologies in the data space. Some people hate it, some people swear by it, but almost every technology company uses it.
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Postgres scaling advice
Planning to scale PostgreSQL? Learn when a single node is enough, how to prepare for sharding, and which scaling steps to consider first.
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Apache Kafka Goes 1.0
Major milestone release Apache Kafka 4.0 removes ZooKeeper entirely, provides early access to Queues for Kafka, and enables faster rebalances, in addition to many other new KIPs.
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HAProxy 2.0
HAProxy Technologies is excited to announce the release of HAProxy 2.0, bringing features critical for cloud-native and containerized environments.
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Hyperdrive v10 – a peer-to-peer filesystem
Hyperdrive is now faster and more reliable. Plus it comes with a daemon.
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An extensive tutorial on how to setup a Pi-Hole
Welcome! In this article, I am going to detail for you what I consider to be the perfect Pi-hole setup instructions for 2023 (yes, I know – as of the writing of this article, it’s still 2022, but we’re close enough).
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Google Announces Massive Price Drops for Cloud Computing Services, Storage
Updated at 12:52 PM PST to include App Engine pricing information Editors note: Tune in to Google Cloud Platform Live for more informatio...
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MicroVMs: Run isolated sandboxes with full lifecycle control
AWS launches a new serverless compute primitive, AWS Lambda MicroVMs. VM-level, isolated sandboxes with no shared kernel or resources between sessions. Rapid launch and resume, full lifecycle control, state preservation up to 8 hours, no infrastructure to manage.
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Hard Drive Reliability Update – Sep 2014
At Backblaze we now have 34,881 drives and store over 100 petabytes of data. We continually track how our disk drives are doing, which ones are reliable, and which ones need to be replaced.
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EC2 Bare Metal Instances with Direct Access to Hardware
When customers come to us with new and unique requirements for AWS, we listen closely, ask lots of questions, and do our best to understand and address their needs. When we do this, we make the resulting service or feature generally available; we do not build one-offs or “snowflakes” for individual customers. That…
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How we upgraded our 4TB Postgres database
Last fall, we migrated our 4TB Postgres database from version 9.6 to version 13 with minimal downtime. Here is how we did it (gotchas included).
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AWS Secrets Manager – Store, Distribute, and Rotate Credentials Securely
Today we’re launching AWS Secrets Manager which makes it easy to store and retrieve your secrets via API or the AWS Command Line Interface (AWS CLI) and rotate your credentials with built-in or custom AWS Lambda functions. Managing application secrets like database credentials, passwords, or API Keys is easy when…
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Microservices, Containers and Kubernetes in Ten Minutes
What is a microservice? What is Kubernetes for? In this post, we try to explain microservices, containers and Kubernetes in 10 minutes
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Nix is the ultimate DevOps toolkit
At Channable we use Nix to build and deploy our services and to manage our development environments. This was not always the case: in the past we used a combination of ecosystem-specific tools and custom scripts to glue them together. Consolidating everything with Nix has helped us standardize development and…
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Tiny Container Challenge: Building a 6kB Containerized HTTP Server
TL;DR I set out to build the smallest container image that I could that was still able to do something useful. By taking advantage of multistage builds, the scratch base image, and a tiny assembly-based HTTP server, I was able to get it down to 6.32kB!
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Grafana releases OnCall open source project
Grafana OnCall is now open source for self-managed and on-premises deployments.
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Exploring Podman: A More Secure Docker Alternative
This article explore Podman's features and benefits, comparing it to Docker and describing a step-by-step migration guide
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Migrating from Supabase
Our journey from Supabase to Postgres and Render
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Blue Ocean: a new user experience for Jenkins
Jenkins – an open source automation server which enables developers around the world to reliably build, test, and deploy their software
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Doing stupid stuff with GitHub Actions
TL;DR: DevOps doesn't have to be all work and no play. I built 5 stupid (but fun!) GitHub actions... because why not ?
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Gmail and Yahoo’s 2024 inbox protections and what they mean for email programs
Gmail and Yahoo announce transformative updates to come in 2024. The updates impact senders but implementing the changes is easier than you think. Are you ready?
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How We Knew It Was Time to Leave the Cloud
How we're solving storage and performance issues as we scale.