Reviews onG2
17 reviews trackedThe Bottom Line
Entry price
Paid plans only
Biggest pro
Extremely fast
Biggest con
No persistence
TL;DR - Memcached
- Memcached is a free, open-source, high-performance, distributed memory object caching system.
- It functions as an in-memory key-value store for small data chunks, primarily to speed up dynamic web applications by reducing database load.
- Memcached allows applications to utilize a shared virtual pool of memory across multiple servers, improving cache efficiency and scalability.
Pricing: open_source
Best for: Enterprises & pros
4.7/5 across review platforms
What is Memcached?
Memcached is a free, open-source, high-performance, distributed memory object caching system. It speeds up dynamic web applications by alleviating database load through caching data and objects in RAM.
Pros & Cons
Pros
- Extremely fast
- Simple to use
- Battle-tested at scale
- Low memory overhead
Cons
- No persistence
- No built-in replication
- Limited data structures
Ratings Across the Web
4.7(17 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
In-memory cachingDistributed architectureSimple key-value storageMulti-threaded performanceBinary and text protocol
Pricing Plans
Pricing checked Jul 4, 2026
Open Source
Free
- BSD licensed
- High-performance caching
- Multi-threaded architecture
- Production ready
Reviews
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4.7/5
Across 17 verified user reviews on G2
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Memcached FAQ
How does Memcached improve web application performance?
Memcached speeds up dynamic web applications by caching data and objects directly in RAM. This process alleviates database load, allowing applications to retrieve frequently accessed information much faster.
Which teams benefit most from using Memcached?
Teams developing dynamic web applications, especially those experiencing high database load, will find Memcached most beneficial. It is particularly useful for applications requiring high performance and low latency data access.
How is Memcached priced?
Memcached is available on both free and paid plans. The core system is open-source and free to use, with paid plans typically referring to managed services or commercial support offerings.
What kind of data structures does Memcached support?
Memcached offers limited support for complex data structures. Its primary function is to store objects as key-value pairs in memory for quick retrieval.
Can Memcached ensure data availability if a server fails?
Memcached does not include built-in replication, meaning it does not inherently ensure data availability if a server fails. It also lacks persistence, so cached data is lost upon server restart or failure.
How does Memcached compare to Hazelcast for caching needs?
Memcached is known for its extreme speed and simplicity in distributed memory object caching, often used to alleviate database load. Hazelcast, while also a caching solution, typically offers more advanced features like data persistence and complex data structures, which Memcached does not provide.
Source: memcached.org