Kubernetes is one of the most famous container orchestration systems. And the Minikube is a tool for running a single-node Kubernetes cluster inside a VM. This makes it easier to try Kubernetes or develop with it. This tutorial aims to show how…
Transformation operators play important roles when processing data in Apache Flink and Apache Sprak as well. For most data sources, they are necessary for us to derive desired target datasets. Flink supports many built-in…
Apache Flink DataSet API Chinese Programming Guide.
第一個範例(The First Example)
資料集的輸入與輸出(Data Sources and Sinks)
資料集的轉化1(Data Transformations 1)
資料集的轉化2(Data Transformations 2)
迭代操作(Iterations)
平行執行(Parallel Executions)
在Akka中,訊息可以是任意物件,但這些物件必須是不可變更的(immutable)。所以,一個比較好的做法是採用具不可變更特性的case class。例如:
case class Register(user: String)val message = Register("John")
以上的訊息可以透過以下兩種方式之一,被傳送給Actor:
Mesosphere DCOS的安裝方式採用bash install。安裝環境如下:
共分為Workstation, Master, and Agent installation.