openzfs/zfs

OpenZFS on Linux and FreeBSD

View on GitHub ↗Jump to charts ↓Open shareable report

Summary Information

Updated 49 minutes ago
Added to GitGenius on September 4th, 2026
Created on December 14th, 2009
Open Issues & Pull Requests: 1,748 (+0)
GitHub issues: Enabled
Number of forks: 2,036
Total Stargazers: 12,448 (+0)
Total Subscribers: 412 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 10.5 hours
Mean response time: 70.8 days
90th percentile: 193.1 days
Tracked items: 1,414

How this project is maintained

Around half of the issues opened in the past year never receive a reply. 100% of open issues come from outside the core team, so the backlog reflects real-world use rather than internal planning. Work labelled "Component: Encryption" is answered fastest, typically in about 5 hours, while "Bot: Not Stale" waits about 9 days. 66% of tracked open issues have had no activity in three months, so the open count overstates what is actively being worked. Only 2% of issues opened in the past year have been closed.

Charts & Analytics

Fetching additional details & charts...

Issue Activity (beta)

Open issues: 940
New in 7 days: 11
Closed in 7 days: 8
Avg open age: 952 days
Stale 30+ days: 838
Stale 90+ days: 761

Recent activity

Opened in 7 days: 9
Closed in 7 days: 8
Comments in 7 days: 9
Events in 7 days: 32

Top labels

  • Type: Defect (1,225)
  • Status: Stale (333)
  • Type: Feature (267)
  • Bot: Not Stale (47)
  • Component: Encryption (34)
  • Component: Test Suite (31)
  • Type: Building (31)
  • Type: Documentation (31)

Detailed Description

OpenZFS is an advanced file system and volume manager that runs on Linux and FreeBSD.

OpenZFS addresses the need for a robust, feature-rich storage layer with copy-on-write semantics, snapshots, and integrated volume management. Originally developed for Solaris, it combines file system and volume manager functionality in a single unified system. The tool provides data integrity through checksumming, efficient storage through compression and deduplication, and flexible management through its command-line interface and pool-based architecture.

Developers and system administrators managing storage infrastructure should consider OpenZFS for environments requiring advanced features like point-in-time snapshots, transparent compression, or sophisticated data protection. It suits production systems where data integrity and storage efficiency matter, particularly on Linux distributions following long-term support kernels or on FreeBSD systems. The project maintains broad compatibility across stable kernel versions and major Linux distributions including RHEL, Ubuntu, and Debian, as well as supported FreeBSD releases.

Development activity shows consistent maintenance across multiple platforms and kernel versions. The project maintains active documentation and contribution guidelines, indicating ongoing community engagement. Support spans both longterm and stable kernel releases, with regular updates to accommodate new kernel versions. The codebase receives updates to support current and upcoming distribution releases, demonstrating sustained attention to compatibility. The project operates under a structured governance model with defined contribution processes and a code of conduct, reflecting mature project practices.