Big data processing tuning in the cloud Network Management is basically the administration and management of Big Data. The paper tells about the Big Data, the various characteristics of Big Data and the different approaches adopted for their network management. The advantages and disadvantages of open source software product,Hadoop which helps in distributed storage and distributed processing of large amount of data has been discussed here. This paper also gives description about FlowComb. FlowComb is a network management framework that helps processing of Big Data applications, such as Hadoop to achieve high utilization and low data processing times.