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== ETS == [[File:Elixir logo.svg|thumb|right|150px|Elixir programming language logo]] ETS, short for Erlang Term Storage, is a powerful built-in feature of the Elixir programming language. It provides a high-performance, low-latency, and concurrent key-value store for managing data in memory. ETS is based on the underlying Erlang OTP (Open Telecom Platform) and offers developers the ability to efficiently store and retrieve large datasets, making it a versatile tool in Elixir applications. === Overview === ETS provides a flexible storage mechanism that allows users to create and manage tables. These tables can be either ordered or unordered, supporting operations like inserting, deleting, updating, and retrieving data. ETS tables are identified by a unique name and can be accessed and modified by multiple processes concurrently, making it suitable for applications that require shared state between different parts of the system. === Key Features === ==== Concurrent Access ==== ETS supports concurrent access, which means that multiple processes can read from or write to a table simultaneously. This makes it a valuable tool for parallel processing and enables developers to build highly concurrent applications in Elixir. ==== High Performance ==== ETS is designed to provide high-performance data storage and retrieval. It is implemented in C and optimized for speed, making it ideal for use cases that require efficient and fast access to data. ==== Low Latency ==== By storing data in memory, ETS reduces the latency involved in accessing the data. This makes it suitable for applications that require real-time access to frequently changing data. ==== Flexible Table Types ==== ETS provides different table types to suit various data storage needs. Developers can choose between ordered_set, ordered_set, bag, duplicate_bag, and set. Each table type has its own characteristics and performance trade-offs, allowing developers to select the most appropriate one for their specific use case. === Use Cases === ETS can be used in a variety of scenarios, including: * Caching frequently accessed data * Storing temporary data structures * Sharing state between different processes * Storing frequently updated data that needs low latency access === Conclusion === ETS is a powerful and efficient key-value store in Elixir that enables developers to manage large datasets in memory. With its support for concurrent access and high-performance operations, it offers an excellent solution for applications that require efficient in-memory data storage and retrieval. Elixir developers can leverage the capabilities of ETS to build scalable, high-concurrency systems that meet the demands of modern applications. == See Also == * [[Erlang|Erlang Wiki Page]] * [[OTP|OTP Wiki Page]] * [[Concurrency|Concurrency in Elixir]] * [[Elixir_Standard_Library|Elixir Standard Library]] * [[Phoenix_Framework|Phoenix Framework]]
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