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PostgreSQL 10 Administration Cookbook - Fourth Edition
book

PostgreSQL 10 Administration Cookbook - Fourth Edition

by Simon Riggs, Gianni Ciolli
May 2018
Intermediate to advanced content levelIntermediate to advanced
576 pages
30h 25m
English
Packt Publishing
Content preview from PostgreSQL 10 Administration Cookbook - Fourth Edition

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If a node fails, there is no requirement for failover, so other nodes continue processing normally—there is no wait for failover, nor is there the need for complex voting algorithms to identify the best new master. Failed servers will need to rejoin the cluster.

Postgres-BDR will eventually support a range of complex architectures:

  • Cascading: Postgres-BDR doesn't support cascading yet
  • Circular replication: This reduces overhead of connections, but is brittle, and the delay for changes to propagate through the cluster increases as the number of nodes increases
  • Group to group: This involves more complex regional or geographically disparate systems
  • Central rollup: This involves central servers sending changes from remote nodes ...
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Publisher Resources

ISBN: 9781788474924Supplemental Content