Tableaucom and Bridge Refreshes Fail when Tabprotosrv is terminated by SRM due to Exceeding Allowed Memory Usage

Issue

After Tableau Desktop 10.5 upgrade, refreshes run with the Tableau Command-Line Utility and Bridge fail with the error:

The connection to the data source might have been lost.

Logs indicate process was terminated after the system exceeded allowed memory usage across all processes.

Environment

Tableau Desktop 10.5
Tableau Online
Extract refreshes being run with Tableau Command-Line Utility or Tableau Bridge.

Resolution

Upgrade to Tableau Desktop 10.5.1. For more information, see Upgrading Tableau Desktop in Tableau Help.

Cause

There was an issue wherein Tableau processes were unexpectedly ended during refresh in environments with high memory usage. Additonally, this behavior is related to a known issue (ID: 734896) which has been fixed in a recent release of Tableau Desktop.