Dear John Wilkes,My name is Binlei Cai, and I'm a PhD student of Tianjin University.Now, I am analyzing the "ClusterData2011_2 traces" to motivate our study. I want to analyze the online services (e.g., BigTable, web search) and batch jobs,respectively. However, according the "Google cluster-usage traces: format +schema" , I can not distinguishs online services and batch jobs.Can you help me, and tell me how to extract the information of online services from "ClusterData2011_2 traces" ?Kind regards,Binlei Cai