# How can ser grok if log have different content from the same equipment?

**URL:** <https://discuss.elastic.co/t/how-can-ser-grok-if-log-have-different-content-from-the-same-equipment/275541>\
**Category:** Logstash\
**Created:** [June 10, 2021, 8:49am UTC](https://discuss.elastic.co/t/how-can-ser-grok-if-log-have-different-content-from-the-same-equipment/275541 "2021-06-10T08:49:08Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [June 11, 2021, 3:12am UTC](https://discuss.elastic.co/t/how-can-ser-grok-if-log-have-different-content-from-the-same-equipment/275541/4 "2021-06-11T03:12:18Z")

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Then use logstash to test the config, not a site maintained by a third party that does not work like grok.

See [here](https://discuss.elastic.co/t/help-needed-in-grok/213827/2) and [here](https://discuss.elastic.co/t/grokparse-failure-and-after-successful-debug/254324/2).

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