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Many ElastiCache metrics can be collected from AWS via CloudWatch or directly from the cache engine, whether Redis or Memcached, with a monitoring tool integrating with it: [18] Using the AWS Management Console; Using the online management console is the simplest way to monitor ElastiCache with CloudWatch.
Valkey is an open-source in-memory storage, used as a distributed, in-memory key–value database, cache and message broker, with optional durability. [8] Because it holds all data in memory and because of its design, Valkey offers low-latency reads and writes, making it particularly suitable for use cases that require a cache.
N+M — In cases where a single cluster is managing many services, having only one dedicated failover node might not offer sufficient redundancy. In such cases, more than one (M) standby servers are included and available. The number of standby servers is a tradeoff between cost and reliability requirements.
Redis popularized the idea of a system that can be considered a store and a cache at the same time. It was designed so that data is always modified and read from the main computer memory, but also stored on disk in a format that is unsuitable for random data access.
Redis: Key-value Yes. But last few queries can be lost. [21] Yes Yes [22] Yes [23] No Ansi-C VMWare, Memcache BSD: ScyllaDB: Key-value Yes Yes Distributed and Replication [24] No [25] Unknown C++ Apache Cassandra: AGPL v3: SimpleDB (Amazon.com) Document & Key-value Yes Yes (automatic) Yes Unknown likely Erlang Amazon.com Amazon internal only ...
Redis Ltd. (originally Redis Labs, Garantia Data) is an American private computer software company headquartered in Mountain View, California. Redis is the sponsor of the source-available in-memory NoSQL database of the same name and the provider of Redis Enterprise software, cloud services, and tools for global companies. [ 2 ]
Computer clustering capability with failover capability, for complete redundancy of hardware and software. Dynamic software updating to avoid the need to reboot the system for a kernel software update, for example Ksplice under Linux. Independent management processor for serviceability: remote monitoring, alerting and control.
Amazon DynamoDB is a managed NoSQL database service provided by Amazon Web Services (AWS). It supports key-value and document data structures and is designed to handle a wide range of applications requiring scalability and performance. [2]