Cloudflare Expands Cache with Zstandard & Pingora

Cloudflare enhanced data storage efficiency by creating petabyte-scale additional cache space on existing hardware using Zstandard compression and the Pingora platform.
Cloudflare Expands Cache with Zstandard & Pingora - bimakale.com
03 Eylül 2026 Perşembe - 08:04 (1 Saat önce) 3 dk okuma

Compression Strategy and Priorities

To boost content delivery network (CDN) performance, Cloudflare chose to strengthen its data compression layer rather than relying on traditional hardware upgrades. This approach makes it possible to host more content on the same infrastructure without expanding physical server capacity. By combining the Zstandard (zstd) algorithm with its next-generation Pingora server platform in an experimental setting, the company significantly boosted cache storage efficiency.

Technical Advantages of Zstandard

Zstandard is a modern algorithm providing high compression ratios with low CPU load. Leveraging both its fast compression and decompression capabilities, Cloudflare significantly reduced the size of cached data. On repetitive datasets such as static assets, images, and frequently accessed API responses, Zstandard's adaptive compression window yielded 30%–40% more savings compared to traditional Gzip or Brotli solutions.

Contribution of the Pingora Platform

Pingora is defined by Cloudflare as its next-generation HTTP proxy and caching server platform. Its software-defined architecture maximizes CPU optimization by isolating compression operations from I/O-heavy workflows. Pingora's modular design enables the Zstandard compression layer to be dynamically enabled or rolled back as needed. This flexibility helps maintain low latency even in high-traffic regions.

Petabyte-Level Storage Savings

The announcement highlights that petabyte-scale additional cache capacity was achieved on the same hardware. Here, "petabyte scale" reflects how compressed data volume significantly reduces raw storage demands. For example, if a data center has 10 PB of raw storage capacity, integrating Zstandard and Pingora can effectively boost this usable capacity to 12–13 PB. Such an expansion postpones the need for new server purchases while indirectly lowering energy consumption.

Operational and Economic Impacts

Long-term return on investment (ROI) for hardware is typically costly. Cloudflare's approach aligns with a strategy of re-evaluating existing infrastructure and keeping costs under control through software-driven optimization. Adding a compression layer also reduces power and cooling demands in data centers, positively impacting operational expenses. Furthermore, keeping more content cached locally shortens the data path to end users, reducing network latency.

Future Outlook

The success of this experiment demonstrates that CDNs and cloud service providers should focus not only on physical scaling but also on data processing layers. The continuous development of open-source compression algorithms like Zstandard and the adoption of software-defined platforms like Pingora lay the groundwork for more providers to adopt similar approaches. Ultimately, caching—a core pillar of the internet—is evolving toward serving more data with fewer resources.

Cloudflare's move sets a practical example for data center managers and content publishers. The performance gains achieved without hardware changes offer promising opportunities, particularly for smaller organizations with limited budgets. Effectively utilizing a compression layer translates not only into storage savings but also into optimized network traffic and improved end-user experience. In this context, combining Zstandard and Pingora has the potential to set a new standard in caching architecture.

Source: Cloudflare Blog

Kaynak: Cloudflare Blog

Alakalı İçerikler


  • Cloudflare
  • Zstandard
  • Pingora
  • önbellek sıkıştırma
  • veri depolama verimliliği
  • petabayt ölçeği



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