# Change in logstash configuration

**URL:** <https://discuss.elastic.co/t/change-in-logstash-configuration/266011>\
**Category:** Logstash\
**Created:** [March 2, 2021, 8:16pm UTC](https://discuss.elastic.co/t/change-in-logstash-configuration/266011 "2021-03-02T20:16:55Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![sandeep3](https://avatars.discourse-cdn.com/v4/letter/s/7ba0ec/32.png) [@sandeep3](https://discuss.elastic.co/u/sandeep3)\
**Post date:** [March 2, 2021, 8:16pm UTC](https://discuss.elastic.co/t/change-in-logstash-configuration/266011/1 "2021-03-02T20:16:55Z")

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Hi,

Here In our ELK. log stash have the sql query. Suppose if i want to add extra column in the sql query. Is it will impact the index like data lost any.

Please help me in this context.

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [March 2, 2021, 8:51pm UTC](https://discuss.elastic.co/t/change-in-logstash-configuration/266011/2 "2021-03-02T20:51:32Z")

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> [@sandeep3](#):
>
> Is it will impact the index like data lost any

Can you clarify this a bit more please? It's not clear what you mean.

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**Author:** ![sandeep3](https://avatars.discourse-cdn.com/v4/letter/s/7ba0ec/32.png) [@sandeep3](https://discuss.elastic.co/u/sandeep3)\
**Post date:** [March 3, 2021, 12:12am UTC](https://discuss.elastic.co/t/change-in-logstash-configuration/266011/3 "2021-03-03T00:12:45Z")

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Hi . Thanks for the reply what i meant if i change anything log stash configuration of a specific index . Is any possibility the same index will get the data or new index will be created. Is any possibility of lost of data.

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [March 3, 2021, 12:14am UTC](https://discuss.elastic.co/t/change-in-logstash-configuration/266011/4 "2021-03-03T00:14:07Z")

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I'm not sure how data would get lost in that.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 31, 2021, 12:14am UTC](https://discuss.elastic.co/t/change-in-logstash-configuration/266011/5 "2021-03-31T00:14:52Z")

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