Showing posts with the label High AvailabilityShow All

Configure Proxy for HiveServer2 and Impala

We will use here HAProxy which is an open-source HA load balancer and proxy server for TCP and HTTP based applications. Ngnix is not recommended as we do not have webserver traffic to load balance. Let’s first install HAProxy on the proxy server. yum -y inst…

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Real-Time Data Stream Processing In Azure Part: 1

There are multiple ways to do real time analytics on Azure, depends on source type and the analytics which we want to perform. This article will introduce the major services in Azure which are involved for real time data solution and at the end will compare all to kno…

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Hadoop Architecture, HA, Failover

MRv1 daemon • Namenode • Secondary namenode • Jobtracker • Datanode • Tasktracker The jobtracker daemon had these two parts tightly coupled within itself and was responsible for managing the tasks and all its related operations by interacting with th…

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