The share of pull checks that succeeded each day, for the selected provider and probe location. In a pull check dealbot publishes a synthetic test piece at a public address and asks the provider to fetch ("pull") it. The check succeeds when the provider pulls the piece, reports that it finished, and dealbot then re-downloads the piece from the provider and confirms the contents match, all within the allotted time. A timeout, a rejected request, or a failed content verification counts as a failure.
The bars show the daily success rate; the overlaid line shows how many pull checks were run that day (the samples used to compute the rate), plotted against the right axis.
For more information about the pull checks, see Pull Check.
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