You have an inverted index that incorrectly shows the word orange linked only to Doc1, but Doc2 also contains "orange". What is the likely cause?

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Elasticsearch - Basics and Architecture

You have an inverted index that incorrectly shows the word orange linked only to Doc1, but Doc2 also contains "orange". What is the likely cause?

AThe indexing process missed updating the inverted index for Doc2

BThe word "orange" does not exist in Doc2

CElasticsearch does not support multiple documents per word

DThe inverted index only stores the first document per word

Step-by-Step Solution

Solution:

Step 1: Verify word presence in documents
Since "orange" is in Doc2, it should appear in the inverted index for that word.
Step 2: Identify indexing error
If Doc2 is missing, likely the indexing process did not update the inverted index correctly for Doc2.
Final Answer:
The indexing process missed updating the inverted index for Doc2 -> Option A
Quick Check:
Missing doc means indexing error [OK]

Quick Trick: Missing docs usually mean indexing skipped them [OK]

Common Mistakes:

MISTAKES

Assuming word is not in Doc2
Thinking Elasticsearch limits docs per word
Believing inverted index stores only one doc

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You have an inverted index that incorrectly shows the word orange linked only to Doc1, but Doc2 also contains "orange". What is the likely cause?

Step 1: Verify word presence in documents

Step 2: Identify indexing error

Final Answer:

Quick Check:

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