# What is the difference between @timestamp and timestamp?

**URL:** <https://discuss.elastic.co/t/what-is-the-difference-between-timestamp-and-timestamp/46464>\
**Category:** Elasticsearch\
**Created:** [April 6, 2016, 3:03am UTC](https://discuss.elastic.co/t/what-is-the-difference-between-timestamp-and-timestamp/46464 "2016-04-06T03:03:03Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Kramer\_Li](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kramer_li/32/46872_2.png) [@Kramer\_Li](https://discuss.elastic.co/u/Kramer_Li)\
**Post date:** [April 6, 2016, 3:10am UTC](https://discuss.elastic.co/t/what-is-the-difference-between-timestamp-and-timestamp/46464/5 "2016-04-06T03:10:32Z")

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Thanks very much. I posted another question here

> [@\[@timestamp\] is used by multiple types. Set update\_all\_types to true to update \[format\] across all types](https://discuss.elastic.co/t/timestamp-is-used-by-multiple-types-set-update-all-types-to-true-to-update-format-across-all-types/46465):
>
> I have a template as below: curl -XPUT localhost:9200/\_template/template\_flow\_detail -d ' { "template" : "flow\_detail\_\*", "mappings" : { "traffic" : { "properties" : { "@timestamp": { "index": "not\_analyzed", "type": "date","format": "epoch\_second"}, "router\_ip" : { "type" : "integer", "index" : "not\_analyzed"}, "interface" : { "type" : "integer", "index" : "not\_analyzed"}, "src\_i…

Is it possible for you to have a look also? Thanks very much

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