[Solved] Given this bulk indexing snippet, what will be the result if one document fails due to a... Given this bulk indexing snippet, what will be the result if one document fails due to a mapping conflict? | Elasticsearch

Elasticsearch - Performance and Scaling

Given this bulk indexing snippet, what will be the result if one document fails due to a mapping conflict? POST /_bulk { "index": { "_index": "myindex" } } { "field": "value1" } { "index": { "_index": "myindex" } } { "field": 123 } Assuming "field" is mapped as text.

AThe entire bulk request fails and no documents are indexed

BBoth documents are indexed, ignoring the mapping conflict

CThe first document is indexed, the second fails with an error

DElasticsearch retries the second document with a corrected type

Step-by-Step Solution

Solution:

Step 1: Understand bulk partial failure behavior
Bulk API processes each action independently; failures do not stop others.
Step 2: Mapping conflict causes error on second document only
First document indexes fine; second fails due to type mismatch.
Final Answer:
The first document is indexed, the second fails with an error -> Option C
Quick Check:
Bulk partial failure = some docs indexed, errors reported [OK]

Quick Trick: Bulk API indexes valid docs; errors reported per document [OK]

Common Mistakes:

MISTAKES

Assuming entire bulk fails on one error
Thinking Elasticsearch auto-corrects mapping conflicts
Believing all docs are indexed ignoring errors

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Given this bulk indexing snippet, what will be the result if one document fails due to a mapping conflict?

Step 1: Understand bulk partial failure behavior

Step 2: Mapping conflict causes error on second document only

Final Answer:

Quick Check:

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