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High Availability Systems Synchronization Frequency


Published: 11 Oct 2017
Last Modified Date: 11 Oct 2017

Question

How frequently does the Tableau Server clustered environment synchronize the Active PostgresSQL DB to the Passive failover copy.

Environment

  • Tableau Server
  • PostgreSQL
  • High Availability system

Answer

The Coordination Service synchronizes the clustered system continuously and runs as a service on all machines in your distributed environment to keeps the failover system in sync with the live system. If a synchronization delay is discovered please refer to the Product Help Guide article which explains how the hardware can effect how well the Coordination Services will operate: Tableau Server Coordination Service 

The cluster controller timeout which defaults to 5 minutes can be shortened and then the sync will run more frequently. For more information, see Tuning the Cluster Controller Timeout Threshold in Tableau Help. 
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