Dragonfly vs Pika
Dragonfly: A multi-threaded, shared-nothing in-memory store that speaks Redis and Memcached on one big box. Pika: Qihoo 360's Redis-compatible, RocksDB-backed store for datasets too big for memory.
key differences
- Licensing: Dragonfly is source-available (Business Source License 1.1); Pika is open source (permissive) (BSD 3-Clause).
- Horizontal scaling is native in Dragonfly and addon in Pika.
- Only Dragonfly has secondary indexes, full-text search, vector search, json, stored procedures.
- Only Pika has compression.
choose dragonfly for
- +Consolidating many Redis shards onto fewer large instances
- +High-throughput caching and session storage
- +BullMQ / Sidekiq style queue backends
- +Replacing Memcached and Redis with one engine
best at · Cache, Sessions, Queue
choose pika for
- +Large persistent key-value data behind a Redis API
- +Cutting memory cost of oversized Redis deployments
best at · Cache, Sessions, Queue
Dragonfly vs Pika: FAQ
What is the difference between Dragonfly and Pika?
Dragonfly: A multi-threaded, shared-nothing in-memory store that speaks Redis and Memcached on one big box. Pika: Qihoo 360's Redis-compatible, RocksDB-backed store for datasets too big for memory. Licensing: Dragonfly is source-available (Business Source License 1.1); Pika is open source (permissive) (BSD 3-Clause). Horizontal scaling is native in Dragonfly and addon in Pika. Only Dragonfly has secondary indexes, full-text search, vector search, json, stored procedures.
When should I choose Dragonfly over Pika?
Choose Dragonfly for consolidating many Redis shards onto fewer large instances; high-throughput caching and session storage; and BullMQ / Sidekiq style queue backends. Choose Pika for large persistent key-value data behind a Redis API and cutting memory cost of oversized Redis deployments.
Is Dragonfly or Pika more popular?
Dragonfly ranks #150 on the WhichDB Score (20.7/100) and Pika ranks #375 (5.8/100). Popularity is not fit: check the requirements that matter for your project.
Are Dragonfly and Pika open source?
Not in the OSI sense. Dragonfly is source-available: you can read the code, but the license restricts some uses, typically offering it as a competing managed service. License: Business Source License 1.1. Yes. Pika is open source. License: BSD 3-Clause.