# CKKS Rotation Key Memory Size

**URL:** <https://openfhe.discourse.group/t/ckks-rotation-key-memory-size/1407>\
**Category:** Library Questions\
**Created:** [July 5, 2024, 2:12pm UTC](https://openfhe.discourse.group/t/ckks-rotation-key-memory-size/1407 "2024-07-05T14:12:12Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![ypolyakov](https://yyz1.discourse-cdn.com/flex031/user_avatar/openfhe.discourse.group/ypolyakov/32/47_2.png) [@ypolyakov](https://openfhe.discourse.group/u/ypolyakov)\
**Post date:** [July 5, 2024, 8:43pm UTC](https://openfhe.discourse.group/t/ckks-rotation-key-memory-size/1407/2 "2024-07-05T20:43:45Z")

</div>

Please read [Bootstrapping AutomorphismKey keys exceeds maximum protobuf size of 2GB](https://openfhe.discourse.group/t/bootstrapping-automorphismkey-keys-exceeds-maximum-protobuf-size-of-2gb/505). You may also find [Size of Rotation keys](https://openfhe.discourse.group/t/size-of-rotation-keys/484) useful.

---

_[View the full topic](https://openfhe.discourse.group/t/ckks-rotation-key-memory-size/1407)._