# Aerospike in-memory DB uses much memory than expected

**URL:** <https://discuss.aerospike.com/t/aerospike-in-memory-db-uses-much-memory-than-expected/4678>\
**Category:** General Discussion\
**Created:** [October 7, 2017, 8:40pm UTC](https://discuss.aerospike.com/t/aerospike-in-memory-db-uses-much-memory-than-expected/4678 "2017-10-07T20:40:11Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![kporter](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.aerospike.com/kporter/32/515_2.png) [@kporter](https://discuss.aerospike.com/u/kporter)\
**Post date:** [October 7, 2017, 8:58pm UTC](https://discuss.aerospike.com/t/aerospike-in-memory-db-uses-much-memory-than-expected/4678/2 "2017-10-07T20:58:57Z")

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Have you read [Capacity Planning Guide | Aerospike Documentation](http://www.aerospike.com/docs/operations/plan/capacity)?

Also a user, @GeertJohan, has contributed a tool for capacity planning discussed here:

> [@Capacity calculator tool](https://discuss.aerospike.com/t/capacity-calculator-tool/1347):
>
> Hi guys, I made a simple webpage/tool that lets you calculate the amount of storage required for sets/bins/records. At this point the tool calculates on disk storage requirements without indexes or replication. It only supports the integer and string/blob types. Please use with caution and at your own risk. Checkt it out at: [https://geertjohan.net/aerospike-capacity-calculator/](https://geertjohan.net/aerospike-capacity-calculator/) The source lives at [GitHub - GeertJohan/aerospike-capacity-calculator: Aerospike capacity calculator](https://github.com/GeertJohan/aerospike-capacity-calculator) Issues/PR’s ar…

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