Cloud computing is a novel perspective for large scale distributed computing and parallel processing. It provides computing as a utility service on a pay per use basis. The performance and efficiency of cloud computing services always depends upon the performance of the user tasks submitted to the cloud system. Scheduling of the user tasks plays significant role in improving performance of the cloud services. Task scheduling is one of the main types of scheduling performed. This paper presents a detailed study of various task scheduling methods existing for the cloud environment. A brief analysis of various scheduling parameters considered in these methods is also discussed in this paper.
The early symptoms of pancreatic cancer are often very vague. They may precede the diagnosis by years and go unrecognized. This makes pancreatic cancer one of the cancers with the worst survival rates. The progression rate of the early phase might be slower than previously thought. Here, we report a case where symptoms, including thromboembolism and new-onset diabetes mellitus, preceded the diagnosis of pancreatic cancer by 6 years or longer. The awareness of the early symptoms of pancreatic cancer is required for being vigilant and further diagnostic tests. A simple clinical model utilizing certain risk factors and symptoms for pancreatic cancer will help stratify the patients for further screening tests.
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