Predictable in Production.
Drop‑in Replacement for Redis Workloads.* Zero Code Changes,No Re‑architecture, Same Operations, Predictable at Scale.
* Redis supports version 7.2, Valkey supports all versions.
Founding Vision
True Drop‑in Compatibility
Works with your Redis/Valkey apps, no code changes.
Cost‑First Design
Memory‑efficient by design. Every byte counts.
Production‑Predictable Reliability
Redis/Valkey‑class latency with 10× faster failover and recovery.
Extreme Memory Efficiency
Engula leverages advanced memory mapping and proprietary storage formats to achieve significant memory reduction across diverse production workloads.
Top-tier short-video platform
≈10% of online traffic
43%
Memory Reduction
Large live-streaming service
Message feed cluster
67%
Memory Reduction
Digital bank
Risk control workload (one shard instance)
74%
Memory Reduction
Instant Cold Start & Sync
With 100% Redis 7.2 compatibility, Engula's storage engine and proprietary RDB format enable 7.5x faster recovery and full sync with zero code changes.
Standard Redis / Valkey
Engula
Test Environment: Intel(R) Xeon(R) E-2334 CPU @3.40GHz | Samsung SSD 990 PRO 1TB | 106,188,857 records (1-256 random bytes)
End the Replication Storm
In large Redis instances, slow RDB recovery often causes replication buffer overflows, triggering infinite sync loops. Engula's extreme speed ensures completion within the sync window.
Standard Redis
1TB+ Instance
Master replication buffer (client-output-buffer-limit) overflows before RDB is fully loaded, forcing a full resync restart.
Engula
Parallel Sync Engine
Engula's parallel recovery engine completes synchronization 10x faster, staying safely within the master's replication window.
Why Engula
Optional feature. Requires private RDB format for optimal performance; compatible mode matches Redis/Valkey speed.
Redis support 7.2 and all Valkey versions.
What's in Engula
Redis/Valkey Wire Compatible Abstraction
An internal protocol-and-command abstraction that mirrors Redis/Valkey behavior, ensuring changes remain 100% behavior‑compatible (Redis up to 7.2; all Valkey versions). Existing clients, proxies, and tools work as‑is.
Coroutine‑Based Thread Runtime for Redis/Valkey
A Redis/Valkey‑style thread‑per‑coroutine runtime that prioritizes latency‑sensitive tasks and improves CPU utilization under mixed workloads.
HybridLog: In-Memory Compressed Engine
A compression‑tuned in‑memory engine with tightly packed data structures and centralized memory management, trading a bit of CPU for significant RAM savings and low fragmentation while keeping hot‑path latency tight.
Parallel Streaming Snapshot
A private snapshot format that streams block data to disk and restores in parallel, delivering up to 10× faster dumps, loads, and replica sync. An optional Redis‑compatible RDB is available for standard‑speed interoperability.
Frequently asked questions
You can find more specific information about Engula by digging into the documentation and reading our blog articles.