# ES used heap % grows slowly until system becomes unresponsive

**URL:** <https://discuss.elastic.co/t/es-used-heap-grows-slowly-until-system-becomes-unresponsive/27619>\
**Category:** Elasticsearch\
**Created:** [August 18, 2015, 9:28pm UTC](https://discuss.elastic.co/t/es-used-heap-grows-slowly-until-system-becomes-unresponsive/27619 "2015-08-18T21:28:48Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![Alexander\_Vassilevsk](https://avatars.discourse-cdn.com/v4/letter/a/c37758/32.png) [@Alexander\_Vassilevsk](https://discuss.elastic.co/u/Alexander_Vassilevsk)\
**Post date:** [August 21, 2015, 6:03pm UTC](https://discuss.elastic.co/t/es-used-heap-grows-slowly-until-system-becomes-unresponsive/27619/21 "2015-08-21T18:03:42Z")

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Yeah - in fact, for the last two days, the indexing\_slowlog and search\_slowlog lines are both less than before, so this is a definite improvement in performance ( so far ) - thanks for the suggestions!

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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:** [July 5, 2017, 11:54pm UTC](https://discuss.elastic.co/t/es-used-heap-grows-slowly-until-system-becomes-unresponsive/27619/22 "2017-07-05T23:54:29Z")

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Closed on July 5, 2017, 11:54pm UTC



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