willbarrett commented on issue #9190: [SIP-39] Global Async Query Support URL: https://github.com/apache/incubator-superset/issues/9190#issuecomment-594117410 Feedback on the alternate solution: - Sub-second polling falls down when latency between client and server increases. The polling implementation gets increasingly complex as we try to meet a similar level of service as what we would get from websockets. - Transitioning polling between tabs and tracking state for all of the tabs adds substantial complexity to the front-end which is unnecessary with a single websocket connection per tab. - By using short-polling, we may have slightly decreased the complexity of deployments, but conversely we have increased the complexity of the front-end. I would prefer to see more complexity server-side where issues are more visible vs. on the front-end, where issues can be harder to track.
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