# How to interpret gc log messages

**URL:** <https://discuss.elastic.co/t/how-to-interpret-gc-log-messages/116148>\
**Category:** Elasticsearch\
**Created:** [January 19, 2018, 2:15am UTC](https://discuss.elastic.co/t/how-to-interpret-gc-log-messages/116148 "2018-01-19T02:15:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![mario12](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mario12/32/29324_2.png) [@mario12](https://discuss.elastic.co/u/mario12)\
**Post date:** [January 19, 2018, 2:15am UTC](https://discuss.elastic.co/t/how-to-interpret-gc-log-messages/116148/1 "2018-01-19T02:15:48Z")

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[gc][young][6769933][90456] duration [816ms], collections [1]/[1s], total [816ms]/[1h], memory [18.6gb]-\>[19.8gb]/[29.6gb], all\_pools {[young] [1.7mb]-\>[436mb]/[865.3mb]}{[survivor] [108.1mb]-\>[108.1mb]/[108.1mb]}{[old] [18.5gb]-\>[19.3gb]/[28.7gb]}

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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:** [February 16, 2018, 2:15am UTC](https://discuss.elastic.co/t/how-to-interpret-gc-log-messages/116148/2 "2018-02-16T02:15:54Z")

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