Metadata Overhead Warning after restore of Bucket

Hi All,
In one of our UAT cluster after restoring data we are continuously getting below warning in our logs.We need two things.
1.What is the meaning of this error and impact on Environment since our env is load testing env.
2.How to suppress this warning and impact in case of suppressing the warning.

[5 Nov, 2022, 12:13:50 AM] - Metadata overhead warning. Over 53% of RAM allocated to bucket “cos” on node “” is taken up by keys and metadata.