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@staltz
staltz / introrx.md
Last active July 26, 2024 04:24
The introduction to Reactive Programming you've been missing
@petitviolet
petitviolet / AkkaStreamPracWithActor.scala
Last active April 11, 2021 21:07
Akka-Stream with Actor using ActorPublisher and ActorSubscriber
package net.petitviolet.ex.persistence.task
import akka.NotUsed
import akka.actor._
import akka.pattern.ask
import akka.stream.actor.ActorSubscriberMessage.{ OnComplete, OnNext }
import akka.stream.actor.{ ActorPublisher, ActorSubscriber, OneByOneRequestStrategy, RequestStrategy }
import akka.stream.{ ActorMaterializer, ClosedShape }
import akka.util.Timeout
import org.reactivestreams.Publisher
@petitviolet
petitviolet / FutureTrap.md
Last active July 30, 2018 11:27
[Scala]Pay attention to the timing to call `Future.apply`.

what is this?

scala.concurrent.Future let asynchronous programming easily. We can process a code block asynchronously by providing it to Future.apply. The timing to start processing is just Future.apply invoked. (also, needs a idling thread.) Therefore, pay attention to the timing to call it.

not in parallel




  


  




    


          
    

      

        
        

          

              @vfarcic
          

          

            
                vfarcic
                / nfs-client-provisioner.md
            
            

              Created
              August 26, 2018 08:25
            

          

        

      

        

  

      

    
Creating StorageClass with NFS Client Provisioner


We already have an NFS server so the next step is to install NFS client as a StorageClass. We'll use kubernetes nfs-client-provisioner.


Since the provisioner will need to interact with Kube API and we have RBAC enabled, the first step is to create a ServiceAccount.


curl https://raw.githubusercontent.com/kubernetes-incubator/external-storage/master/nfs-client/deploy/auth/serviceaccount.yaml