Here are some traces from Eucalyptus private clouds. While there are other workload traces for some cloud services, those typically don't deal with virtual machine activity.
Fayçal Haniche i want to use dataset of wsdream that contain time information but this dataset contain just (reponse time and thoughput ) but want to have the failure rate attribute to learn the reliability of service cloud over time can you give a suggetion how i can integrate this information to wsdream dataset .