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Twitterâs service is nothing if not fast-moving, and on Tuesday night the company published a blog post detailing the database that helps it keep up. Called Manhattan, itâs a distributed, real-time database built to serve multiple teams and applications within the company. Itâs also something of an indictment against existing open source database technologies, at least when it comes to handling th
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During the first database wars in the early 1980s, it wasn't immediately obvious that the relational database model was superior to existing models. But over time, this model won due the power of SQL programming and ability to simply structure critical business data for back-office automation, e-business, and web-sites. As data growth and transaction loads increased, bigger and more powerful serve
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RC: read committed, RR: repeatable read, S: serializability, SI: snapshot isolation, CS: cursor stability, CR: consistent read Instead of providing serializability, many these databases provide one of several weaker variants,2 often when marketing material and documentation claim otherwise.3 There is no fundamental reason why a database shouldnât support serializabilityâwe have the algorithms, and
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