LSST Science Pipelines
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Data access and pipeline middleware¶

  • Frequently asked questions
    • When should I use each of the query methods/commands?
      • Collections
      • Dataset Types
      • Dimension Records
      • Datasets
      • Data Ids
    • Where can I find documentation for command-line butler queries?
    • Why do queries using Registry methods return duplicate results?
    • Why are some keys (usually filters) sometimes missing from data IDs?
    • How do I avoid errors involving queries for calibration datasets?
    • How do I fix an empty QuantumGraph?
    • How can I make QuantumGraph generation faster?
    • What do I do if a query method/command is slow?
    • How can I get a report on all failures and missing datasets in a run?
      • The Quanta Table
        • Status Definitions for Task Quanta
          • Unknown
          • Successful
          • Blocked
          • Failed
          • Wonky
          • Total
          • Expected
      • The Dataset Table
        • Status Definitions for Datasets
          • Visible
          • Shadowed
          • Predicted Only
          • Unsuccessful
          • Cursed
          • Total
          • Expected
      • Combining group-level pipetask report summaries into a step-level rollup
    • How do I clean up processing runs I don’t need anymore?
      • Not deleting the CHAINED collection
      • Deleting only some datasets

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