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34 lines
1.7 KiB
Markdown
34 lines
1.7 KiB
Markdown
---
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layout: default
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title: grok
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parent: Processors
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grand_parent: Configuring Data Prepper
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nav_order: 45
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---
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# grok
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## Overview
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Takes unstructured data and utilizes pattern matching to structure and extract important keys and make data more structured and queryable.
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Option | Required | Type | Description
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:--- | :--- | :--- | :---
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match | No | Map | Specifies which keys to match specific patterns against. Default is an empty body.
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keep_empty_captures | No | Boolean | Enables preserving `null` captures. Default value is `false`.
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named_captures_only | No | Boolean | enables whether to keep only named captures. Default value is `true`.
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break_on_match | No | Boolean | Specifies whether to match all patterns or stop once the first successful match is found. Default is `true`.
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keys_to_overwrite | No | List | Specifies which existing keys are to be overwritten if there is a capture with the same key value. Default is `[]`.
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pattern_definitions | No | Map | Allows for custom pattern use inline. Default value is an empty body.
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patterns_directories | No | List | Specifies the path of directories that contain customer pattern files. Default value is an empty list.
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pattern_files_glob | No | String | Specifies which pattern files to use from the directories specified for `pattern_directories`. Default is `*`.
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target_key | No | String | Specifies a parent level key to store all captures. Default value is `null`.
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timeout_millis | No | Integer | Maximum amount of time that should take place for the matching. Setting to `0` disables the timeout. Default value is `30,000`.
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<!---## Configuration
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Content will be added to this section.
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## Metrics
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Content will be added to this section.---> |