# Batch http lookup filter

**URL:** <https://discuss.elastic.co/t/batch-http-lookup-filter/228789>\
**Category:** Logstash\
**Created:** [April 20, 2020, 5:23am UTC](https://discuss.elastic.co/t/batch-http-lookup-filter/228789 "2020-04-20T05:23:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![AmirBahrami](https://avatars.discourse-cdn.com/v4/letter/a/dbc845/32.png) [@AmirBahrami](https://discuss.elastic.co/u/AmirBahrami)\
**Post date:** [April 20, 2020, 5:23am UTC](https://discuss.elastic.co/t/batch-http-lookup-filter/228789/1 "2020-04-20T05:23:26Z")

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Hey everybody  
I'm looking for a way to do batch lookups by http filter on some event field an then merge those parts together.  
I thought it'd be possible with something temporary like '@metadata' field but as I found metadata is dedicated per event. Would anyone help me on this?

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**Author:** ![AmirBahrami](https://avatars.discourse-cdn.com/v4/letter/a/dbc845/32.png) [@AmirBahrami](https://discuss.elastic.co/u/AmirBahrami)\
**Post date:** [April 28, 2020, 5:52am UTC](https://discuss.elastic.co/t/batch-http-lookup-filter/228789/2 "2020-04-28T05:52:04Z")

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I actually missed documentations already!  
The working solution would be a custom plugin where filter method receives events as batches and then process them.  
This feature is yet under development in ruby base filter class; btw can be accessed by **multi\_filter** filter method.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 26, 2020, 5:52am UTC](https://discuss.elastic.co/t/batch-http-lookup-filter/228789/3 "2020-05-26T05:52:08Z")

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