# Is update by query async operation or sync operation?

**URL:** <https://discuss.elastic.co/t/is-update-by-query-async-operation-or-sync-operation/287890>\
**Category:** Elasticsearch\
**Created:** [October 28, 2021, 7:46am UTC](https://discuss.elastic.co/t/is-update-by-query-async-operation-or-sync-operation/287890 "2021-10-28T07:46:41Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Giovanni\_Di\_Lembo](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/giovanni_di_lembo/32/45714_2.png) [@Giovanni\_Di\_Lembo](https://discuss.elastic.co/u/Giovanni_Di_Lembo)\
**Post date:** [October 28, 2021, 7:46am UTC](https://discuss.elastic.co/t/is-update-by-query-async-operation-or-sync-operation/287890/1 "2021-10-28T07:46:42Z")

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And if so , how to know when update is done ?

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**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:** [October 28, 2021, 8:36am UTC](https://discuss.elastic.co/t/is-update-by-query-async-operation-or-sync-operation/287890/2 "2021-10-28T08:36:34Z")

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Sync by default.

Read [Update By Query API | Elasticsearch Guide [7.15] | Elastic](https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-update-by-query.html#docs-update-by-query-task-api) for asynchronous option

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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:** [November 25, 2021, 8:37am UTC](https://discuss.elastic.co/t/is-update-by-query-async-operation-or-sync-operation/287890/3 "2021-11-25T08:37:08Z")

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