Why Redis is fast?
1- In-memory Data Storage: Redis primarily stores data in memory, allowing for extremely fast read and write operations.
2- Single-threaded Architecture: Redis uses a single-threaded event loop model, which simplifies concurrency control and eliminates the overhead of context switching between multiple threads.
3- Non-blocking I/O: Redis employs non-blocking I/O operations, allowing it to handle multiple client connections simultaneously without blocking I/O operations.
4- Optimized Data Structures: Redis offers a variety of highly optimized in-memory data structures such as strings, lists, sets, sorted sets, hashes, etc.
5- Asynchronous Operations: Redis supports asynchronous operations such as pipelining and transactions.
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