# Threadpool.bulk.queue\_size is not working in ES 5.5.1

**URL:** <https://discuss.elastic.co/t/threadpool-bulk-queue-size-is-not-working-in-es-5-5-1/96443>\
**Category:** Elasticsearch\
**Created:** [August 9, 2017, 1:45pm UTC](https://discuss.elastic.co/t/threadpool-bulk-queue-size-is-not-working-in-es-5-5-1/96443 "2017-08-09T13:45:05Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![sukeshss](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sukeshss/32/46145_2.png) [@sukeshss](https://discuss.elastic.co/u/sukeshss)\
**Post date:** [August 9, 2017, 1:45pm UTC](https://discuss.elastic.co/t/threadpool-bulk-queue-size-is-not-working-in-es-5-5-1/96443/1 "2017-08-09T13:45:05Z")

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Hi,

I am using ES 5.5.1. how I can configure threadpool.bulk.queue\_size. When I added this, ES failed to start.

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**Author:** ![Mark\_Harwood](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mark_harwood/32/10538_2.png) [@Mark\_Harwood](https://discuss.elastic.co/u/Mark_Harwood)\
**Post date:** [August 9, 2017, 4:06pm UTC](https://discuss.elastic.co/t/threadpool-bulk-queue-size-is-not-working-in-es-5-5-1/96443/2 "2017-08-09T16:06:14Z")

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See [changes to settings](https://www.elastic.co/guide/en/elasticsearch/reference/5.5/breaking_50_settings_changes.html#_threadpool_settings)

```
The prefix on all thread pool settings has been changed from threadpool to thread_pool.
```

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<div class="post-metadata">

**Author:** ![sukeshss](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sukeshss/32/46145_2.png) [@sukeshss](https://discuss.elastic.co/u/sukeshss)\
**Post date:** [August 10, 2017, 10:22am UTC](https://discuss.elastic.co/t/threadpool-bulk-queue-size-is-not-working-in-es-5-5-1/96443/3 "2017-08-10T10:22:25Z")

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Thanks, It works.

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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:** [September 7, 2017, 10:22am UTC](https://discuss.elastic.co/t/threadpool-bulk-queue-size-is-not-working-in-es-5-5-1/96443/4 "2017-09-07T10:22:44Z")

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