etcd is a distributed, consistent key-value store that provides a reliable way to store data across a cluster of machines. It was developed by CoreOS and is now maintained by the Cloud Native Computing Foundation (CNCF). etcd is widely used in cloud-native computing environments to provide a highly available and fault-tolerant data store for critical system information, configuration, and coordination. It provides a simple, lightweight, and flexible API that allows developers to access the key-value store using various programming languages. The API also supports advanced features like transactional updates, watch notifications, and time-based key expirations. The design of etcd ensures that it is easy to deploy, manage, and scale, making it an ideal choice for modern distributed systems.
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