# How to find the length of a field **URL:** \ **Category:** Kibana\ **Created:** [October 8, 2018, 2:38am UTC](https://discuss.elastic.co/t/how-to-find-the-length-of-a-field/151377 "2018-10-08T02:38:01Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Harvinder\_Singh](https://avatars.discourse-cdn.com/v4/letter/h/5e9695/32.png) [@Harvinder\_Singh](https://discuss.elastic.co/u/Harvinder_Singh)\ **Post date:** [October 8, 2018, 2:38am UTC](https://discuss.elastic.co/t/how-to-find-the-length-of-a-field/151377/1 "2018-10-08T02:38:02Z")
I have an index with a field DataAscii of type string. I would like to plot the length of this field in timeline. One option is to use scripted field. I have tried with following, but it does seems to be working doc['DataAscii'].value.length() In fact, a very simple expression like doc['DataAscii'].value is giving me the error Courier fetch: 5 out of 10 shards failed ---
**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:** [October 8, 2018, 3:50am UTC](https://discuss.elastic.co/t/how-to-find-the-length-of-a-field/151377/2 "2018-10-08T03:50:20Z")
> [@Harvinder\_Singh](#): > > In fact, a very simple expression like doc['DataAscii'].value is giving me the error > > Courier fetch: 5 out of 10 shards failed Check your Elasticsearch logs to see what is causing this. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [November 5, 2018, 3:50am UTC](https://discuss.elastic.co/t/how-to-find-the-length-of-a-field/151377/3 "2018-11-05T03:50:30Z")
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