Titlebook: Database Replication; Bettina Kemme,Ricardo Jiménez Peris,Marta Patiño-M Book 2010 Springer Nature Switzerland AG 2010

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Birds of prey and modern falconryIn this last chapter, we discuss shortly other aspects of database replication.

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1-Copy-Snapshot Isolation,So far, the book has focused on serializability and 1-copy-serializability as correctness criterion, implemented through locking. However, using locking, a single long lasting read-only transaction that scans entire tables can block many concurrent writers on these tables.

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Other Aspects of Replication,In this last chapter, we discuss shortly other aspects of database replication.

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The Scalability of Replication,ucing the response time of individual requests. All these metrics are influenced by many parameters, such as the specific replica control protocol, the underlying concurrency control, the chosen architecture, the message costs in terms of number of messages and message rounds, the network delay, the

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Lazy Replication,time after commit. In primary copy approaches, this means that the primary always has the current version of the data item while secondary copies might be stale. In Section 8.1, we present mechanisms that quantify and bound the staleness that can be observed at the secondaries. In Section 8.2, we di