The following error occurred when viewing a dashboard, changing the filter, or during the extract refresh on Tableau Server:
An error occurred while communicating with data source 'xxx'
[xxxx] hyper_execute_query: 0 canceled
DataServiceFailure
or
[xxxx] hyper_execute_query: 0 Could not execute the given query.
The result status code is 7.
canceled
It is possible the Hyper process is being restarted because of the insufficient RAM.
Check the system resource/memory usage and increase Tableau Server's RAM.
Tableau Server Logs and Log File Locations
The following message can be found in the Tableau Server Hyper log just before the error occurred:
//hyper_0_2021_02_22_00_00_00.log
{"ts":"2021-02-22T16:04:10.723","pid":3608,"tid":"1278","sev":"info","req":"-","sess":"-","k":"srm-internal","v":{"msg":"Resource Manager: Exceeded allowed memory usage across all processes. Memory info: 17,686,609,920 bytes (current process);30,687,830,016 bytes (Tableau total); 33,131,044,864 bytes (total of all processes); 13 (info count)"}}
001534570

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