# Elasticsearch Conflict Error

**URL:** <https://discuss.elastic.co/t/elasticsearch-conflict-error/275104>\
**Category:** Elasticsearch\
**Created:** [June 7, 2021, 6:34am UTC](https://discuss.elastic.co/t/elasticsearch-conflict-error/275104 "2021-06-07T06:34:50Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![rknd](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rknd/32/103882_2.png) [@rknd](https://discuss.elastic.co/u/rknd)\
**Post date:** [June 7, 2021, 6:34am UTC](https://discuss.elastic.co/t/elasticsearch-conflict-error/275104/1 "2021-06-07T06:34:50Z")

</div>

Below is my query and code for delete\_by\_query. While code is running after some time i get

Elasticsearch conflict error.

What do i do wrong? How can i solve this ?

```auto
body_val = {
        "query": {
            "bool": {
                "must": [
                    {
                        "term": {
                            "city": {
                                "value": city
                            }
                        }
                    },
                    {
                        "term": {
                            "username": {
                                "value": username
                            }
                        }
                    }
                ]
            }
        }
    }

```

```auto
es.delete_by_query(body=body_val(city,username),index=index)

```

Thanks for answering

---

<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [June 7, 2021, 6:40am UTC](https://discuss.elastic.co/t/elasticsearch-conflict-error/275104/2 "2021-06-07T06:40:42Z")

</div>

Are you running a single delete by query at a time or multiple ones in parallel?

---

<div class="post-metadata">

**Author:** ![rknd](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rknd/32/103882_2.png) [@rknd](https://discuss.elastic.co/u/rknd)\
**Post date:** [June 7, 2021, 6:43am UTC](https://discuss.elastic.co/t/elasticsearch-conflict-error/275104/3 "2021-06-07T06:43:45Z")

</div>

I do single delete query in time

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<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [June 7, 2021, 6:48am UTC](https://discuss.elastic.co/t/elasticsearch-conflict-error/275104/4 "2021-06-07T06:48:41Z")

</div>

And you are waiting for completion and not using the asynchronous client?

---

<div class="post-metadata">

**Author:** ![rknd](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rknd/32/103882_2.png) [@rknd](https://discuss.elastic.co/u/rknd)\
**Post date:** [June 7, 2021, 7:50am UTC](https://discuss.elastic.co/t/elasticsearch-conflict-error/275104/5 "2021-06-07T07:50:05Z")

</div>

In the app, I have a class that is measuring some fields in elasticsearch. \*This class is about Person and City. After is measuring I do delete from some index via Person username, and set to some other index.  
A person is never be in two city so the operations are never be mutual for same doc.

When the app start I have 5 thread for 5 city. That is the only asynchronous thing in the app.  
This 5 thread calls 5 times this class for different cities so operation never be same for 2 person.

---

<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:** [July 5, 2021, 7:50am UTC](https://discuss.elastic.co/t/elasticsearch-conflict-error/275104/6 "2021-07-05T07:50:25Z")

</div>

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