# How to stop duplicate entries to output file created by output file plugin?

**URL:** <https://discuss.elastic.co/t/how-to-stop-duplicate-entries-to-output-file-created-by-output-file-plugin/173471>\
**Category:** Elasticsearch\
**Created:** [March 22, 2019, 10:04am UTC](https://discuss.elastic.co/t/how-to-stop-duplicate-entries-to-output-file-created-by-output-file-plugin/173471 "2019-03-22T10:04:46Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![satyaban](https://avatars.discourse-cdn.com/v4/letter/s/bc8723/32.png) [@satyaban](https://discuss.elastic.co/u/satyaban)\
**Post date:** [March 22, 2019, 10:04am UTC](https://discuss.elastic.co/t/how-to-stop-duplicate-entries-to-output-file-created-by-output-file-plugin/173471/1 "2019-03-22T10:04:46Z")

</div>

Dear All,

I have log file having content

```
[29-Dec-2017 20:30:06] - ||CompanyID = 65
[30-Dec-2017 20:30:06] - ||CompanyID = 61

```

I am using output file plugin for storing logs to an output file as below

```
    output {

  file {

codec => line { format => "%{message}"}

path => "/Users/Satyaban/Development/ELKLogAnalysis/failedlog/failedoutput.log"

}

}

```

It stored above 2 lines of logs to failedoutput.log file but entries being duplicated continuously .

After sometime failedoutput.log file contained multiple lines above two lines of logs .

Kindly help how to prevent duplicate entries of logs in output file .

Current output log file ( failedoutput.log) contents are

```
    [29-Dec-2017 20:30:06] - ||CompanyID = 65 # First Duplicate entries
     [30-Dec-2017 20:30:06] - ||CompanyID = 61
    [29-Dec-2017 20:30:06] - ||CompanyID = 65 
     [30-Dec-2017 20:30:06] - ||CompanyID = 61 # Second Duplicate entries
    [29-Dec-2017 20:30:06] - ||CompanyID = 65 
     [30-Dec-2017 20:30:06] - ||CompanyID = 61 # Third Duplicate entries
    [29-Dec-2017 20:30:06] - ||CompanyID = 65
     [30-Dec-2017 20:30:06] - ||CompanyID = 61 # Fourth Duplicate entries
    [29-Dec-2017 20:30:06] - ||CompanyID = 65
    .......... ........................ so on 
 [30-Dec-2017 20:30:06] - ||CompanyID = 61
```

---

<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [March 23, 2019, 6:57am UTC](https://discuss.elastic.co/t/how-to-stop-duplicate-entries-to-output-file-created-by-output-file-plugin/173471/2 "2019-03-23T06:57:33Z")

</div>

What does the rest of your configuration look like?

---

<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:** [April 20, 2019, 6:57am UTC](https://discuss.elastic.co/t/how-to-stop-duplicate-entries-to-output-file-created-by-output-file-plugin/173471/3 "2019-04-20T06:57:41Z")

</div>

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