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Redis

Heroku Key-Value Store Now Supports Valkey 8.1 with JSON and Bloom Modules

We’re thrilled to announce the general availability of Valkey v8.1 in Redis OSS compatible Heroku Key-Value Store. This isn’t just an incremental update; it’s a significant leap forward, bringing enhanced performance and greater efficiency. To add to this excitement, we’re bringing powerful new module capabilities to v8.1, with Valkey Bloom and ValkeyJSON.

For years, Heroku customers have relied on our managed in-memory data store services for caching, session management, real-time leaderboards, queueing, and so …

SignalR Scalability: Scaling Real-Time SignalR Applications on Heroku

SignalR makes it easy to add real-time functionality to .NET web applications—things like live chat, instant notifications, or interactive dashboards. But what happens when your app starts to grow? A single server can only take you so far. At some point, you’ll need to take advantage of SignalR scaling features to scale out your app. In this post, we’ll walk through what it takes to scale a SignalR app to run across multiple servers. We’ll …

Electron on Heroku

As maintainers of the open source framework Electron, we try to be diligent about the work we take on. Apps like Visual Studio Code, Slack, Notion, or 1Password are built on top of Electron and make use of our unique mix of native code and web technologies to make their users happy. That requires focus: There’s always more work to be done than we have time and resources for. In practice, that means that we don’t want to spend time thinking about the server infrastructure for the project‌ — ‌and we’re grateful for the support we receive from Heroku, where we can host load-intensive apps without worrying about managing the underlying infrastructure. In this blog post, we’ll take a look at some of the ways in which we use Heroku.

Heroku Shield for Redis Is Now Generally Available

We are thrilled to announce that Heroku Shield for Redis is now generally available and certified for handling PHI, PII, and HIPAA-compliant data. Heroku Shield for Redis is the final missing data service for Heroku Shield, which is an integrated set of Heroku services with additional security features needed for building high compliance applications. All Heroku Managed Data Services — Heroku Connect, Heroku Data for Redis, Heroku Postgres, and Apache Kafka on Heroku — are …

Bring Your Own Key for Heroku Managed Data Services Is Now Generally Available

Security is always top of mind for Heroku customers; COVID-19 has further increased the urgency for enterprises and developers to deliver more mission-critical applications with sensitive and regulated data.

Given the needs of our customers, including those in regulated industries like Health & Life Sciences and Financial Services, we are thrilled to announce that Heroku Private Spaces and Shield customers can now deploy a new Postgres, Redis, or Apache Kafka service with a key created …

Announcing Heroku Data Services Integrations Using mutual TLS and PrivateLink

Today, we’re thrilled to announce four new trusted data integrations that allow data to flow seamlessly and securely between Heroku and external resources in public clouds and private data centers:

  • Heroku Postgres via mutual TLS
  • Heroku Postgres via PrivateLink
  • Apache Kafka on Heroku via PrivateLink
  • Heroku Redis via PrivateLink

These integrations expand Heroku's security and trust boundary to cover the connections to external resources and the data that passes through them. They enable true multi-cloud …

Up to 75% Faster Maintenances with Heroku Postgres and Redis Premium Plans

As outlined in a previous blog post, Heroku Data services undergo routine maintenances for security and patching. In this post, we describe the process used to minimize downtime for Heroku Postgres and Heroku Redis premium ‘High Availability’ plans and how we optimized the process to perform up to 75% faster.

Data Services Architecture

High availability plans for Postgres and Redis are designed to have two database instances running at the same time. One is …

Why Frequent Maintenances Are Essential for Secure Heroku Data Services

There are many reasons to choose Heroku Data services, but keeping the services you use secure and up-to-date rank near the top. This foundation of trust is the most important commitment we make to our customers, and frequent and timely maintenances are one way we deliver on this promise.

We do everything we can to minimize downtime, which is typically between 10 – 60 seconds per maintenance. There are ways for you to minimize disruption too (see the tips and tricks below). The rest of the post explains how we think about Heroku Data maintenances, how we perform them, and when we perform them.

An Ounce of Prevention…

Hackers exploit known but unpatched vulnerabilities or out-of-date software. Minimizing the time between when a patch or update becomes available and when it gets deployed is the most effective means of limiting damage. There’s nothing worse than seeing your company’s high-profile breach at the top of Hacker News and the Wall Street Journal.

This business and reputation risk is real. Like you, we’re faced with the same choice. We believe it’s best to budget some prevention time upfront for patching and updating data services. Otherwise, an incident may cost us (and you) a larger amount of remediation time and effort, to say nothing of the potential damage done to our (and your) brand, business, and customers.

That’s why we invest significant engineering, security, and operations effort into creating a proactive security posture that keeps your stack up-to-date through frequent, scheduled maintenances.

Optimizing Database Performance in Rails

Setting up a database is a relatively straightforward process (Heroku has an add-on for that), but getting it to run well in production is sometimes another matter. As your application grows and your data grows along with it, you will likely find a number of performance bottlenecks specifically related to your database, and this post aims to help you diagnose and address those issues when they arise.

As with all components of your infrastructure …

Rolling the Heroku Redis Fleet

Over the past few weeks, Heroku proactively updated our entire Redis fleet with a version of Redis not vulnerable to CVE-2018-11218. This was an embargoed vulnerability, so we did this work without notifying our customers about the underlying cause. As always, our goal was to update all Heroku Redis instances well before the embargo expired.

As a Data Infrastructure Engineer at Heroku, I wanted to share how we manage large fleet operations such as …

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