# Logstash field limit?
**URL:** https://discuss.elastic.co/t/logstash-field-limit/137959
**Category:** Logstash
**Created:** [June 29, 2018, 12:06pm UTC](https://discuss.elastic.co/t/logstash-field-limit/137959 "2018-06-29T12:06:52Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@adolfo.diaz](https://discuss.elastic.co/u/adolfo.diaz)
#### Post date: [June 29, 2018, 12:06pm UTC](https://discuss.elastic.co/t/logstash-field-limit/137959/1 "2018-06-29T12:06:52Z")
Dear All
I would like to know if there is any limitation in the size of the information that can be stored in a field parsed with grok.
At the moment I am trying to structure a file and I need to enter in a field more than 40,000 characters.
I do not know if the problem is in grok, in logstash or the output to JSON that I am using.
I do not receive any error, only that I have detected that the information in the field is incomplete, enough information is missing at the end of the record.
Thank you in advance for your support
Best regards
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 27, 2018, 12:06pm UTC](https://discuss.elastic.co/t/logstash-field-limit/137959/2 "2018-07-27T12:06:59Z")
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