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Dynos

What is Data Residency? Data Residency Concerns for Global Applications

Data Residency Compliance Is Possible with the Right Cloud Provider

Because today’s companies operate in the cloud, they can reach a global audience with ease. At any given moment, you could have customers from Indiana, Indonesia, and Ireland using your services or purchasing your products. With such a widespread customer base, your business data will inevitably cross borders. What does this mean for data privacy, protection, and compliance?

If your company deals with customers on a global — or at the very least, multi-national — scale, then understanding the concept of data residency is essential. Data residency deals with the…

Improved Heroku App Performance with HTTP/2

Introduction:

We’re excited to announce public beta support for HTTP/2 on both Heroku Common Runtime and Private Spaces . HTTP/2 support is one of the most requested and desired improvements for the Heroku platform . HTTP/2 is significantly faster than HTTP 1.1 by introducing features like multiplexing and header compression to reduce latency and therefore improve the end-user experience of Heroku apps.

Since 2023, we’ve been working on a large platform modernization of our Common Runtime router. This project will allow us to start delivering more modern networking for Heroku. With the majority…

Expanded Memory and Compute with Heroku’s New Larger Dynos

Introduction

Heroku is excited to introduce nine new dyno types to our fleets and product offerings. In 2014 , we introduced Performance-tier dynos , giving our customers fully dedicated resources to run their most compute-intensive workloads. Now in 2024, today's standards are rapidly increasing as complex applications and growing data volumes consume more memory and carry heavier CPU loads.

With these additional dyno types, we’re excited to enable new use cases on Heroku with enhanced compute and memory specifications. Some use case examples include real-time processing against big data/real-time analytics, large in-memory cache applications such…

Automatic Certificate Management for Eco Dynos

TLS and HTTPS encryption have become foundational primitives and a requirement for running any app or service on the internet. Many Heroku customers told us through our public roadmap to make Heroku Automated Certificate Management available to all dyno types, including our Eco subscription. We’re thrilled to announce that Automatic Certificate Management(ACM) and manual certificate support are now available for apps running on Eco dynos. You can manually add certificates, or use Heroku ACM to make getting set up with https quick and simple.

Certificates handled by ACM automatically renew one month before they expire. New certificates are created automatically whenever…

Innovating on Heroku is now more cost-effective

Heroku is improving the cost-effectiveness of Heroku Enterprise with the addition of Basic dynos. Now, Enterprise customers can unlock the power of Basic dynos on the Common Runtime. Basic dynos enable seamless app development and testing on the Heroku platform in the most efficient and cost-effective way. As part of our efforts to simplify our pricing and packaging, we’re ensuring parity in our product offerings between our card-paying and our Enterprise-contracted customers. Most frequently, Heroku customers use Basic dynos for testing new applications, creating reference apps, and for small-scale projects. By making Basic dynos available on Enterprise, these same apps…

Heroku Private Spaces Global Expansion: Canada, India, Singapore, and the UK

In May 2023, we announced our limited release of two new Heroku Private Spaces regions: India (Mumbai) and Canada (Montreal). This month, we’re announcing the full general availability of those two regions, along with new Heroku Private Spaces regions for the United Kingdom (London) and Singapore. This expansion enables customers to maintain greater control over where their data is stored and processed. These four new regions fully support Heroku Private Spaces , Heroku Shield Private Spaces , Heroku Postgres , Apache Kafka on Heroku , Heroku Data for Redis , Heroku Connect , and most Heroku Add-ons .

Private Spaces provide…

Heroku Adds Third Availability Zone for Private Spaces

Heroku is excited to announce the addition of a third availability zone (AZ) for our Private Spaces product offering . Three availability zones make Private Space apps more resilient to outages. We’ve prioritized this improvement as part of our focus on mission-critical features to make the Heroku Platform even more reliable. The changeover to three availability zones is fully managed by Heroku. Heroku handles all maintenance, upgrades, and management of Private Spaces, so our customers can focus on delivering value to their users without worrying about the underlying infrastructure.

What are availability zones and how…

Heroku Pricing and Our Low-Cost Cloud Plans

Update November 7th, 2022: These plans are now generally available. Take a look at our launch announcement post for more information on migration .

When we announced Heroku’s Next Chapter last month, we received a lot of feedback from our customers. One of the things that stood out was interest in a middle ground between our retired Heroku free tier and our current Hobby dyno and data plans, a low-cost cloud option. We’ve also fielded requests to keep a dyno that “sleeps” when not receiving requests, which is an essential feature for non-production apps on our cloud application platform.

Heroku…

Faster Dynos and Improved Performance For All

Since April 2021, the Heroku Runtime team has been working to deploy upgrades to the infrastructure powering Common Runtime apps, and we’re excited to formally announce the performance improvements that customers are already seeing.

When this Changelog post was published in May introducing the changes, almost all Common Runtime apps had been migrated from what we internally called the “classic“ infrastructure to the new “sharded” architecture. In addition to performance enhancements, this migration is expected to result in lower latency across the platform.

Around 99.9% of customers didn’t have to make any changes to their Heroku apps to benefit from these upgrades,…

How We Found and Fixed a Filesystem Corruption Bug

As part of our commitment to security and support, we periodically upgrade the stack image, so that we can install updated package versions, address security vulnerabilities, and add new packages to the stack. Recently we had an incident during which some applications running on the Cedar-14 stack image experienced higher than normal rates of segmentation faults and other “hard” crashes for about five hours . Our engineers tracked down the cause of the error to corrupted dyno filesystems caused by a failed stack upgrade. The sequence of events leading up to this failure, and the technical details of the…

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