# CMS Old Gen GC consuming too much memory and never cleaned up

**URL:** <https://discuss.elastic.co/t/cms-old-gen-gc-consuming-too-much-memory-and-never-cleaned-up/194997>\
**Category:** Elasticsearch\
**Created:** [August 13, 2019, 9:35am UTC](https://discuss.elastic.co/t/cms-old-gen-gc-consuming-too-much-memory-and-never-cleaned-up/194997 "2019-08-13T09:35:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Rakesh4](https://avatars.discourse-cdn.com/v4/letter/r/eb8c5e/32.png) [@Rakesh4](https://discuss.elastic.co/u/Rakesh4)\
**Post date:** [August 13, 2019, 9:35am UTC](https://discuss.elastic.co/t/cms-old-gen-gc-consuming-too-much-memory-and-never-cleaned-up/194997/1 "2019-08-13T09:35:10Z")

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Hi,

my heap dump says , CMS old Gen GC is consuming too much memory and its never get cleaned up.  
Is it GC problem or its like Elastic search holds some object in heap for long last ?

Any suggestion ?

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [September 10, 2019, 9:35am UTC](https://discuss.elastic.co/t/cms-old-gen-gc-consuming-too-much-memory-and-never-cleaned-up/194997/2 "2019-09-10T09:35:18Z")

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Closed on September 10, 2019, 9:35am UTC

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