A cloud services company has noted significant performance variations in one of their client's resource usage pattern beyond the established normal operating parameters over the past week. Which of the following actions should the cloud operations team undertake FIRST to address these variations?
Check system logs to identify any unauthorized changes that could have been made to the resource configuration.
Establish or review the performance baseline for the affected resources in order to determine if the detected variations are outside of the expected range.
Modify the alert thresholds to reduce the number of performance variation incidents reported by the monitoring system.
Recommend an upgrade to the infrastructure to accommodate the new levels of performance being experienced.