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                  The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. 电脑google用什么翻墙 and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. Cassandra's support for replicating across multiple datacenters is best-in-class, providing lower latency for your users and the peace of mind of knowing that you can survive regional outages.

                  Proven

                  Cassandra is in use at Activision, Apple, BazaarVoice, Best Buy, CERN, Constant Contact, Comcast, eBay, Fidelity, Github, Hulu, ING, Instagram, Intuit, Macy's™, 电脑如何使用google, Microsoft, McDonalds, 电脑google用什么翻墙, 怎么在电脑上用谷歌, Outbrain, Pearson Education, Sky, Spotify, Uber, Walmart, and thousands of other companies that have large, active data sets. In fact, Cassandra is used by 40% of the Fortune 100.

                  Fault tolerant

                  Data is automatically replicated to multiple nodes for fault-tolerance. Replication across multiple data centers is supported. Failed nodes can be replaced with no downtime.

                  Performant

                  Cassandra consistently outperforms popular NoSQL alternatives in benchmarks and real applications, primarily because of fundamental architectural choices.

                  Decentralized

                  There are no single points of failure. There are no network bottlenecks. Every node in the cluster is identical.

                  Scalable

                  Some of the largest production deployments include Apple's, with over 75,000 nodes storing over 10 PB of data, Netflix (2,500 nodes, 420 TB, over 1 trillion requests per day), Chinese search engine Easou (270 nodes, 300 TB, over 800 million requests per day), and eBay (over 100 nodes, 250 TB).

                  Durable

                  Cassandra is suitable for applications that can't afford to lose data, even when an entire data center goes down.

                  You're in control

                  Choose between synchronous or asynchronous replication for each update. Highly available asynchronous operations are optimized with features like Hinted Handoff and Read Repair.

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                  Read and write throughput both increase linearly as new machines are added, with no downtime or interruption to applications.

                  Professionally Supported

                  Cassandra support contracts and services are available from third parties.

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