From 78ef5a0c9e4c5a778323977a0dad3114f1ceb4fc Mon Sep 17 00:00:00 2001 From: Jac Fitzgerald Date: Mon, 9 Nov 2026 13:54:31 -0800 Subject: [PATCH 1/3] Document the Data Acceleration Report endpoint as deprecated The data_acceleration_report endpoint had no entry in the API reference. Add one marked deprecated: Tableau deprecated data acceleration in Tableau Server 2022.1 and retired it, with its REST API methods, in Tableau Server 2026.2. It was never available on Tableau Cloud. Related to #734 Co-Authored-By: Claude Code --- docs/api-ref.md | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/docs/api-ref.md b/docs/api-ref.md index 104213764..3bf4a191a 100644 --- a/docs/api-ref.md +++ b/docs/api-ref.md @@ -1214,6 +1214,39 @@ for view in my_views: --- +## Data Acceleration Report + +**DEPRECATED** + +Tableau has retired data acceleration and its REST API methods. TSC keeps this endpoint only for older Tableau Server versions and will remove it in a future release. + +The data acceleration report compared page load times for workbook sheets before and after data acceleration was enabled. Only sheets that were both accelerated and loaded by users appear in the report. + +
+ +#### data_acceleration_report.get + +```py +data_acceleration_report.get(req_options=None) +``` + +**DEPRECATED** + +Returns the data acceleration report for the current site as a `DataAccelerationReportItem`. Its `comparison_records` attribute is a list of records, each with `site`, `sheet_uri`, `unaccelerated_session_count`, `avg_non_accelerated_plt`, `accelerated_session_count` and `avg_accelerated_plt`. Only server administrators and site administrators can call this method. + +REST API: [Get Data Acceleration Report for a Site](https://help.tableau.com/current/api/rest_api/en-us/REST/rest_api_ref_site.htm#get_data_acceleration_report) + +**Version** + +Introduced in Tableau Server 2020.2 (REST API 3.8). Tableau deprecated data acceleration in Tableau Server 2022.1, when view acceleration was introduced, and retired it in Tableau Server 2026.2 (REST API 3.29). It was never available on Tableau Cloud. + +Calling this method against Tableau Cloud or Tableau Server 2026.2 and later returns an error from the server. TSC has no replacement for this method; view acceleration was retired at the same time. + +
+
+ +--- + ## Data Sources Using the TSC library, you can get all the data sources on a site, or get the data sources for a specific project. From fd53b54fa5729545f512fe0c64d00823160d52e8 Mon Sep 17 00:00:00 2001 From: Jac Fitzgerald Date: Mon, 9 Nov 2026 14:00:33 -0800 Subject: [PATCH 2/3] State the observed Tableau Cloud response for the data acceleration report Tableau Cloud answers GET /dataAccelerationReport with a 404 Resource Not Found. Say that, and say only that Tableau Server 2026.2 and later do not support the method. Co-Authored-By: Claude Code --- docs/api-ref.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/api-ref.md b/docs/api-ref.md index 3bf4a191a..62b22e615 100644 --- a/docs/api-ref.md +++ b/docs/api-ref.md @@ -1240,7 +1240,7 @@ REST API: [Get Data Acceleration Report for a Site](https://help.tableau.com/cur Introduced in Tableau Server 2020.2 (REST API 3.8). Tableau deprecated data acceleration in Tableau Server 2022.1, when view acceleration was introduced, and retired it in Tableau Server 2026.2 (REST API 3.29). It was never available on Tableau Cloud. -Calling this method against Tableau Cloud or Tableau Server 2026.2 and later returns an error from the server. TSC has no replacement for this method; view acceleration was retired at the same time. +Tableau Cloud responds to this request with a 404 (Resource Not Found). The method is not supported on Tableau Server 2026.2 and later. TSC has no replacement for this method; view acceleration was retired at the same time.

From ea4ac2422cc91cb0df01ad65f14ae88ca7a462a3 Mon Sep 17 00:00:00 2001 From: Jac Fitzgerald Date: Tue, 10 Nov 2026 12:49:38 -0800 Subject: [PATCH 3/3] Data acceleration report docs: use the versions and 404 behavior the REST API docs and a live check support Co-Authored-By: Claude Code --- docs/api-ref.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/api-ref.md b/docs/api-ref.md index 62b22e615..4d7585094 100644 --- a/docs/api-ref.md +++ b/docs/api-ref.md @@ -1238,9 +1238,9 @@ REST API: [Get Data Acceleration Report for a Site](https://help.tableau.com/cur **Version** -Introduced in Tableau Server 2020.2 (REST API 3.8). Tableau deprecated data acceleration in Tableau Server 2022.1, when view acceleration was introduced, and retired it in Tableau Server 2026.2 (REST API 3.29). It was never available on Tableau Cloud. +Introduced in Tableau Server 2020.2 (REST API 3.8). The REST API documentation lists data acceleration as supported from Tableau Server 2020.2 (REST API 3.8) through Tableau Server 2021.4 (REST API 3.15). Tableau retired data acceleration and its REST API methods in Tableau Server 2026.2 (REST API 3.29). The method is not available on Tableau Cloud. -Tableau Cloud responds to this request with a 404 (Resource Not Found). The method is not supported on Tableau Server 2026.2 and later. TSC has no replacement for this method; view acceleration was retired at the same time. +Tableau Cloud and Tableau Server 2026.2 and later respond to this request with a 404 (error code 404003, Resource Not Found). This was observed on Tableau Cloud with REST API 3.30 and on Tableau Server with REST API 3.31. TSC has no replacement for this method; Tableau retired view acceleration at the same time.