After installing Agent 8.10.0 the Agent is using 15GB of memory (or more).
Engineering is investigating the potential culprits associated with these issues under CRE-23262 and CRE-23300.
In the meantime, open a case with Support and provide the following logs:
/Library/Logs/DiagnosticReports/com.vmware.carbonblack.appc-es-loader.appc-es-extension-TIMESTAMP.ips