# Last value is not advancing after manual modification of the file

**URL:** <https://discuss.elastic.co/t/last-value-is-not-advancing-after-manual-modification-of-the-file/259333>\
**Category:** Logstash\
**Created:** [December 22, 2020, 6:21am UTC](https://discuss.elastic.co/t/last-value-is-not-advancing-after-manual-modification-of-the-file/259333 "2020-12-22T06:21:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ElasticLiver](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/elasticliver/32/64869_2.png) [@ElasticLiver](https://discuss.elastic.co/u/ElasticLiver)\
**Post date:** [December 22, 2020, 6:21am UTC](https://discuss.elastic.co/t/last-value-is-not-advancing-after-manual-modification-of-the-file/259333/1 "2020-12-22T06:21:11Z")

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Hi, after manipulating the last value file, its not moving forward in time anymore, this is my last value file

```auto
--- !ruby/object:DateTime '2020-12-18 20:39:46.000000000 Z'

```

and it seems that is writing duplicates every time it runs again

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/1/f/1fbbd71059d95024a25a143e61ac338a1459fdc9.png)

when I compare it with another last value file they are identical, with time difference only.

What is going on?

---

<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:** [January 19, 2021, 6:21am UTC](https://discuss.elastic.co/t/last-value-is-not-advancing-after-manual-modification-of-the-file/259333/2 "2021-01-19T06:21:29Z")

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