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已发布 : Nov 14, 2018
Not on the current edition
This blip is not on the current edition of the Radar. If it was on one of the last few editions it is likely that it is still relevant. If the blip is older it might no longer be relevant and our assessment might be different today. Unfortunately, we simply don't have the bandwidth to continuously review blips from previous editions of the Radar Understand more
Nov 2018
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CockroachDB is an open source distributed database inspired by the white paper Spanner: Google's distributed database. In CockroachDB, data is automatically divided into ranges, usually 64MB, and distributed across nodes in the cluster. Each range has a consensus group and, because it uses the Raft consensus algorithm, the data is always kept in sync. With its unique design, CockroachDB provides distributed transactions and geo-partitioning while still supporting SQL. Unlike Spanner, which relies on TrueTime with atomic clock for linearizability, CockroachDB uses NTP for clock synchronization and provides serializability as the default isolation level. If you're working with structured data that fits in a single node, then choose a traditional relational database. However, if your data needs to scale across nodes, be consistent and survive failures, then we recommend you take a closer look at CockroachDB.

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