[GitHub] spark pull request: [SPARK-6707] [CORE][MESOS]: Mesos Scheduler sh...

[sujkh85]

Github user sujkh85 commented on a diff in the pull request:

    https://github.com/apache/spark/pull/5563#discussion_r33273401
  
    --- Diff: 
core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerUtils.scala
 ---
    @@ -86,10 +89,106 @@ private[mesos] trait MesosSchedulerUtils extends 
Logging {
       /**
        * Get the amount of resources for the specified type from the resource 
list
        */
    -  protected def getResource(res: List[Resource], name: String): Double = {
    +  protected def getResource(res: JList[Resource], name: String): Double = {
         for (r <- res if r.getName == name) {
           return r.getScalar.getValue
         }
         0.0
       }
    +
    +
    +  /** Helper method to get the key,value-set pair for a Mesos Attribute 
protobuf */
    +  private[mesos] def getAttribute(attr: Attribute): (String, Set[String]) =
    +    (attr.getName, attr.getText.getValue.split(',').toSet)
    +
    +
    +  /** Build a Mesos resource protobuf object */
    +  private[mesos] def createResource(resourceName: String, quantity: 
Double): Protos.Resource = {
    +    Resource.newBuilder()
    +      .setName(resourceName)
    +      .setType(Value.Type.SCALAR)
    +      .setScalar(Value.Scalar.newBuilder().setValue(quantity).build())
    +      .build()
    +  }
    +
    +
    +  /**
    +   * Match the requirements (if any) to the offer attributes.
    +   * if attribute requirements are not specified - return true
    +   * else if attribute is defined and no values are given, simple 
attribute presence is preformed
    +   * else if attribute name and value is specified, subset match is 
performed on slave attributes
    +   */
    +  private[mesos] def matchesAttributeRequirements(
    +      slaveOfferConstraints: Map[String, Set[String]],
    +      offerAttributes: Map[String, Set[String]]): Boolean =
    +    if (slaveOfferConstraints.isEmpty) {
    +      true
    +    } else {
    +      slaveOfferConstraints.forall {
    +        // offer has the required attribute and subsumes the required 
values for that attribute
    +        case (name, requiredValues) =>
    +          // The attributes and their values are case sensitive during 
comparison
    +          // i.e tachyon -> true != Tachyon -> true != tachyon -> True
    +          offerAttributes.contains(name) && 
requiredValues.subsetOf(offerAttributes(name))
    +
    +      }
    +    }
    +
    +  /**
    +   * Parses the attributes constraints provided to spark and build a 
matching data struct:
    +   *  Map[<attribute-name>, Set[values-to-match]
    --- End diff --
    
    
    NAVER - http://www.naver.com/
    --------------------------------------------
    
    su...@naver.com 님께 보내신 메일 <Re: [spark] [SPARK-6707] 
[CORE][MESOS]: Mesos Scheduler should allow the user to specify constraints 
based on slave attributes (#5563)> 이 다음과 같은 이유로 전송 
실패했습니다.
    
    --------------------------------------------
    
    받는 사람이 회원님의 메일을 수신차단 하였습니다. 
    
    
    --------------------------------------------



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