[Solved] Given the following reindex request, what will be the result?{ "source": { "index": "products" }, "dest": { "index": "products_new" }, "script": { "source": "ctx._source.price = ctx._source.price * 1.... | Elasticsearch

Elasticsearch - Index Management

Given the following reindex request, what will be the result?

{
  "source": { "index": "products" },
  "dest": { "index": "products_new" },
  "script": {
    "source": "ctx._source.price = ctx._source.price * 1.1"
  }
}

Assuming products has documents with a price field.

AOnly documents with price > 1.1 are copied

BDocuments copied without any price change

CReindex fails due to script syntax error

DAll documents copied with price increased by 10%

Step-by-Step Solution

Solution:

Step 1: Understand the script in reindex
The script modifies each document's price by multiplying it by 1.1 during reindexing.
Step 2: Effect on documents
All documents from products are copied to products_new with updated price values increased by 10%.
Final Answer:
All documents copied with price increased by 10% -> Option D
Quick Check:
Script modifies price during reindex [OK]

Quick Trick: Scripts can modify fields during reindexing [OK]

Common Mistakes:

MISTAKES

Assuming script filters documents instead of modifying
Thinking script causes syntax error
Believing price remains unchanged

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Given the following reindex request, what will be the result?

Step 1: Understand the script in reindex

Step 2: Effect on documents

Final Answer:

Quick Check:

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