Applicability FAST 20148  Recent JoJ studies target smartphone workloads on Android  Our own experiments found that typical smartphone workloads are more dominated by network delay (even when using WiFi)  We don't claim JoJ is a critical problem for most smartphone workloads  I/O optimization matters mostly to workloads whose performance is dominated by I/O activities  We target general I/O-intensive workloads on server and client systems
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