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mozilla / telemetry-dashboard

Web-frontend for aggregated telemetry data
telemetry.mozilla.org
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dashboards are confusing for single data points #283

Open lonnen opened 7 years ago

lonnen commented 7 years ago

When there is a single data point (i.e. evolution dashboard right after a train switch with a single build), there is no line or representation of that single point. It's invisible until a hover reveals it by moving a circle over the point.

The Metrics Graphics version used here looks to be 2.6. The current release (2.10) shows singleton rendering as a dot. I'm not sure exactly when that was introduced, but as early as 2.4 the change log says it includes improved handling for single data point lines.

chutten commented 7 years ago

We need to be a bit careful if the plan is to upgrade MG. Last time there were some pernicious timezone bugs that we didn't detect until months after.

lonnen commented 7 years ago

Understood. It's unclear if that would even remedy this particular problem.