Do we have any side impact or condition to enable encryption the disk volume on running mode?

[Hojeong-Seo]

IHAC who are using SH/IDX on AWS and they want to enable encryption the volume (SSD Disk) which Splunk installed on running mode. but customer wonder if it will impact current system. 

the volume include indexed data and installed files. 
Do we have any side impact  or condition to enable encryption the disk volume on running mode ?Thank you,

[richgalloway]

This is more of an AWS question.  From their docs (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSEncryption.html😞 

You can expect the same IOPS performance on encrypted volumes as on unencrypted volumes, with a minimal effect on latency.