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Original · left

Probe (instrument or spacecraft)

A thin surgical instrument used to examine a wound, or an uncrewed spacecraft sent to explore deep space.

First in use: the 1600s
Duplicate · right

Probe (Kubernetes)

An automated diagnostic query sent by orchestrators to determine whether a service container is alive and ready to receive traffic.

First in use: c. 2015

Probe / Probe (instrument or spacecraft) / Probe (Kubernetes)

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Colour keyGrey · original meaningGreen · duplicate meaningAmber · contested (40–60%)How colours work

Voyager vs. liveness checks.

Which meaning of Probe is the original, and which one is the duplicate riding on its name? Probe (instrument or spacecraft) came first (the 1600s). Probe (Kubernetes) arrived in 2015. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Probe (instrument or spacecraft)Probe (Kubernetes)
English Wikipedia pageviews since July 2015 load here.

Duplicate's share of attention

Green line = duplicate's % · above 60 it owns the word · below 40 the original does

Share-of-attention line loads here.

The case for each meaning

Sourced definitions, usage stats and quotes

Original · the 1600s

Probe (instrument or spacecraft)

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Duplicate · c. 2015

Probe (Kubernetes)

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More duplicated terms

Cloud & infrastructure