---
title: "index_diff"
date: 0001-01-01
summary: "index_diff #  Description #  The index_diff processor is used to compare differences between two result sets.
Configuration Example #  A simple example is as follows:
pipeline: - name: bulk_request_ingest auto_start: true keep_running: true processor: - index_diff: diff_queue: "diff_result" buffer_size: 1 text_report: true #If data needs to be saved to Elasticsearch, disable the function and start the diff_result_ingest task of the pipeline. source_queue: 'source_docs' target_queue: 'target_docs' Parameter Description #     Name Type Description     source_queue string Name of source data   target_queue string Name of target data   diff_queue string Queue that stores difference results   buffer_size int Memory buffer size   keep_source bool Whether difference results contain document source information   text_report bool Whether to output results in text form    "
---


# index_diff

## Description

The index_diff processor is used to compare differences between two result sets.

## Configuration Example

A simple example is as follows:

```
pipeline:
- name: bulk_request_ingest
  auto_start: true
  keep_running: true
  processor:
    - index_diff:
        diff_queue: "diff_result"
        buffer_size: 1
        text_report: true #If data needs to be saved to Elasticsearch, disable the function and start the diff_result_ingest task of the pipeline.
        source_queue: 'source_docs'
        target_queue: 'target_docs'
```

## Parameter Description

| Name         | Type   | Description                                                    |
| ------------ | ------ | -------------------------------------------------------------- |
| source_queue | string | Name of source data                                            |
| target_queue | string | Name of target data                                            |
| diff_queue   | string | Queue that stores difference results                           |
| buffer_size  | int    | Memory buffer size                                             |
| keep_source  | bool   | Whether difference results contain document source information |
| text_report  | bool   | Whether to output results in text form                         |