john-bodley commented on a change in pull request #13980:
URL: https://github.com/apache/superset/pull/13980#discussion_r608382717
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File path: superset/config.py
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@@ -1125,9 +1128,9 @@ class CeleryConfig: # pylint:
disable=too-few-public-methods
GLOBAL_ASYNC_QUERIES_TRANSPORT = "polling"
GLOBAL_ASYNC_QUERIES_POLLING_DELAY = 500
-# It's possible to add a dataset health check logic which is specific to your
system.
-# It will get executed each time when user open a chart's explore view.
-DATASET_HEALTH_CHECK = None
+# A SQL dataset health check. Note if enabled the callable should be cached to
aid with
+# performance.
Review comment:
@graceguo-supercat:
1. The Redis (or similar) cache rarely is restarted.
2. It's definitely less clear though possible via a Redis (or similar)
query.
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