# Opensearch benchmark tool not taking the ingest pipeline applied in the mapping of index.json

**URL:** <https://forum.opensearch.org/t/opensearch-benchmark-tool-not-taking-the-ingest-pipeline-applied-in-the-mapping-of-index-json/24496>\
**Category:** OpenSearch Client Libraries\
**Tags:** clients-general\
**Created:** [May 23, 2025, 1:37pm UTC](https://forum.opensearch.org/t/opensearch-benchmark-tool-not-taking-the-ingest-pipeline-applied-in-the-mapping-of-index-json/24496 "2025-05-23T13:37:49Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![curiousmind](https://avatars.discourse-cdn.com/v4/letter/c/b4bc9f/32.png) [@curiousmind](https://forum.opensearch.org/u/curiousmind)\
**Post date:** [May 23, 2025, 1:37pm UTC](https://forum.opensearch.org/t/opensearch-benchmark-tool-not-taking-the-ingest-pipeline-applied-in-the-mapping-of-index-json/24496/1 "2025-05-23T13:37:49Z")

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**Versions** (relevant - OpenSearch/Dashboard/Server OS/Browser):  
opensearch benchmark current

**Describe the issue** :  
i tried to include current timestamp using a ingest pipeline, by specifying the ingest pipeline inside the index.json for the big5 workload.  
But when i run the benchmark workload, the settings of the index is not getting reflected.

**Configuration** :  
opensearch-benchmark execute-test --pipeline=benchmark-only --target-hosts=targets-hosts.json --workload=big5 --workload-params index\_body:index.json --test-mode --client-options=‘{  
“default”: {  
“basic\_auth\_user”: “elastic”,  
“basic\_auth\_password”: “pass”,  
“use\_ssl”: true,  
“verify\_certs”: false,  
“timeout”: 120,  
“connection\_keep\_alive”: true  
}  
}’

**Relevant Logs or Screenshots** :

 ![image](https://us1.discourse-cdn.com/flex019/uploads/mauve_hedgehog/original/2X/2/2636649795adf6dd8d3ac15df0e9fe866b6780c5.png)

any idea how to achieve this.  
My basic goal, is to include the ingestion time stamp to the events.

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**Author:** ![system](https://us1.discourse-cdn.com/flex019/uploads/mauve_hedgehog/original/2X/3/33547ea01a5b12dcca2958411d3edd97ae2ea8c1.png) [@system](https://forum.opensearch.org/u/system)\
**Post date:** [July 22, 2025, 1:39pm UTC](https://forum.opensearch.org/t/opensearch-benchmark-tool-not-taking-the-ingest-pipeline-applied-in-the-mapping-of-index-json/24496/2 "2025-07-22T13:39:35Z")

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