The share of sampled retrieval checks that succeeded each day, for the selected provider at the probe location. Unlike the regular retrieval check, a sampled retrieval check fetches real tenant data — not dealbot's own test corpus. A check succeeds when the provider serves the piece from its /piece endpoint with HTTP 2xx and the bytes match the piece CID.
/piece
The bars show the daily share of checks that succeeded (green), failed (red) or were skipped (blue). A check is skipped when no candidate piece was found for the provider, so no request was made. The overlaid line shows how many sampled retrieval checks were run that day (the samples used to compute the rates), plotted against the right axis.
For more information about sampled retrieval checks, see Sampled Retrieval.
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