# Aggregation feature in logstash

**URL:** <https://discuss.elastic.co/t/aggregation-feature-in-logstash/155613>\
**Category:** Logstash\
**Created:** [November 6, 2018, 8:01pm UTC](https://discuss.elastic.co/t/aggregation-feature-in-logstash/155613 "2018-11-06T20:01:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sfunk](https://avatars.discourse-cdn.com/v4/letter/s/7993a0/32.png) [@sfunk](https://discuss.elastic.co/u/sfunk)\
**Post date:** [November 6, 2018, 8:01pm UTC](https://discuss.elastic.co/t/aggregation-feature-in-logstash/155613/1 "2018-11-06T20:01:57Z")

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Hi,

I want to use the aggregation feature in logstash to pull data from a table in Oracle which contains time-series data. I will be querying by row id, and the data in the table is aggregated in one minute chunks already - I want to re-aggregate the data into 10 minute chunks.

Question:

Looking at the aggregation examples, I think what most closely represents what I want to do is [example 4](https://www.elastic.co/guide/en/logstash/current/plugins-filters-aggregate.html#plugins-filters-aggregate-example4). I don't really have an "end" event, just a time window. So what would I use for a "task\_id", would that be a timestamp in this case? I'm assuming from the documentation that "timeout =\> 600" would mean a 10 minute interval - as in, data from 10:00-10:09 before moving onto building the next set of maps (10:10-10:19)?

Thanks!

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 4, 2018, 8:02pm UTC](https://discuss.elastic.co/t/aggregation-feature-in-logstash/155613/2 "2018-12-04T20:02:01Z")

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