# Why my elasticsearch index has a lot deleted doc?

**URL:** <https://discuss.elastic.co/t/why-my-elasticsearch-index-has-a-lot-deleted-doc/180110>\
**Category:** Elasticsearch\
**Created:** [May 8, 2019, 7:01am UTC](https://discuss.elastic.co/t/why-my-elasticsearch-index-has-a-lot-deleted-doc/180110 "2019-05-08T07:01:32Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![Haitianisgood](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/haitianisgood/32/33563_2.png) [@Haitianisgood](https://discuss.elastic.co/u/Haitianisgood)\
**Post date:** [May 8, 2019, 7:01am UTC](https://discuss.elastic.co/t/why-my-elasticsearch-index-has-a-lot-deleted-doc/180110/1 "2019-05-08T07:01:32Z")

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env:

```auto
elasticsearch 6.2.4

```

My application just has insert operations，but my elasticsearch index has a lot deleted doc when I check elasticsearch status?

```auto
{
"primaries": {
"docs": {
"count": 1044318,
"deleted": 34382
},
"store": {
"size_in_bytes": 61327772606
},
"indexing": {
"index_total": 1487932,
"index_time_in_millis": 16874641,
"index_current": 0,
"index_failed": 0,
"delete_total": 0,
"delete_time_in_millis": 0,
"delete_current": 0,
"noop_update_total": 0,
"is_throttled": false,
"throttle_time_in_millis": 0
},

```

---

<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [May 8, 2019, 7:17am UTC](https://discuss.elastic.co/t/why-my-elasticsearch-index-has-a-lot-deleted-doc/180110/2 "2019-05-08T07:17:35Z")

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Are you updating existing documents?

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<div class="post-metadata">

**Author:** ![Haitianisgood](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/haitianisgood/32/33563_2.png) [@Haitianisgood](https://discuss.elastic.co/u/Haitianisgood)\
**Post date:** [May 9, 2019, 2:25am UTC](https://discuss.elastic.co/t/why-my-elasticsearch-index-has-a-lot-deleted-doc/180110/3 "2019-05-09T02:25:48Z")

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Hi ，thank you for reply!

According to the developers said just has insert operations,may be inserting same data to ES

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [May 9, 2019, 6:35am UTC](https://discuss.elastic.co/t/why-my-elasticsearch-index-has-a-lot-deleted-doc/180110/4 "2019-05-09T06:35:17Z")

</div>

Inserting same data with the same `_id` means updating. Is it the case?  
If it is, then that explains.

A document update is basically a Delete + Insert operation.

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<div class="post-metadata">

**Author:** ![Haitianisgood](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/haitianisgood/32/33563_2.png) [@Haitianisgood](https://discuss.elastic.co/u/Haitianisgood)\
**Post date:** [May 9, 2019, 10:09am UTC](https://discuss.elastic.co/t/why-my-elasticsearch-index-has-a-lot-deleted-doc/180110/5 "2019-05-09T10:09:37Z")

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Thank you for reply!  
Yes,it is the case!

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [June 6, 2019, 10:09am UTC](https://discuss.elastic.co/t/why-my-elasticsearch-index-has-a-lot-deleted-doc/180110/6 "2019-06-06T10:09:43Z")

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