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Field shading in Cribl Search indicates field coverage in data set

  • July 23, 2026
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I was asked this today and I have absolutely what the answer is - why are some fields shaded with a different color in search?

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Best answer by paul925

Field coverage in the data set. The darker the shading, the more events contain that field

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  • July 23, 2026
Field coverage in the data set. The darker the shading, the more events contain that field

David Maislin
Short answer: grey/shaded rows = built-in fields, non-shaded rows = fields extracted from the data.

@user also note if you go to the "Fields" tab after running a Search, you'll see a more quantitative view of the Presence metric, which should make the shading clear.

NB: This is particularly helpful when your dataset is heterogeneous ie contains more than one Datatype.