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Improve description of read/write traffic scalability
Greg Smith, after a suggestion of James Bruce
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@ -188,9 +188,10 @@ protocol to make nodes agree on a serializable transactional order.
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<para>
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With statement-based replication middleware, a program intercepts
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every SQL query and sends it to one or all servers. Each server
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operates independently. Read-write queries are sent to all servers,
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while read-only queries can be sent to just one server, allowing
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the read workload to be distributed.
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operates independently. Read-write queries must be sent to all servers,
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so that every server receives any changes. But read-only queries can be
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sent to just one server, allowing the read workload to be distributed
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among them.
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</para>
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<para>
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