[jira] [Commented] (NIFI-5516) Allow data in a Connection to be Load-Balanced across cluster

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-5516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16611741#comment-16611741 ] 

ASF GitHub Bot commented on NIFI-5516:
--------------------------------------

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

    https://github.com/apache/nifi/pull/2947#discussion_r216925801
  
    --- Diff: nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-client-dto/src/main/java/org/apache/nifi/web/api/dto/ConnectionDTO.java ---
    @@ -231,6 +239,46 @@ public void setPrioritizers(List<String> prioritizers) {
             this.prioritizers = prioritizers;
         }
     
    +    @ApiModelProperty(value = "How to load balance the data in this Connection across the nodes in the cluster.",
    +        allowableValues = "DO_NOT_LOAD_BALANCE, PARTITION_BY_ATTRIBUTE, ROUND_ROBIN, SINGLE_NODE")
    +    public String getLoadBalanceStrategy() {
    +        return loadBalanceStrategy;
    +    }
    +
    +    public void setLoadBalanceStrategy(String loadBalanceStrategy) {
    +        this.loadBalanceStrategy = loadBalanceStrategy;
    +    }
    +
    +    @ApiModelProperty(value = "The FlowFile Attribute to use for determining which node a FlowFile will go to if the Load Balancing Strategy is set to PARTITION_BY_ATTRIBUTE")
    +    public String getLoadBalancePartitionAttribute() {
    +        return loadBalancePartitionAttribute;
    +    }
    +
    +    public void setLoadBalancePartitionAttribute(String partitionAttribute) {
    +        this.loadBalancePartitionAttribute = partitionAttribute;
    +    }
    +
    +    @ApiModelProperty(value = "Whether or not data should be compressed when being transferred between nodes in the cluster.",
    +        allowableValues = "DO_NOT_COMPRESS, COMPRESS_ATTRIBUTES_ONLY, COMPRESS_ATTRIBUTES_AND_CONTENT")
    +    public String getLoadBalanceCompression() {
    +        return loadBalanceCompression;
    +    }
    +
    +    public void setLoadBalanceCompression(String compression) {
    +        this.loadBalanceCompression = compression;
    +    }
    +
    +    @ApiModelProperty(value = "The current status of the Connection's Load Balancing Activities. Status can indicate that Load Balancing is not configured for the connection, that Load Balancing " +
    --- End diff --
    
    Better to annotate this method with readOnly = true.


> Allow data in a Connection to be Load-Balanced across cluster
> -------------------------------------------------------------
>
>                 Key: NIFI-5516
>                 URL: https://issues.apache.org/jira/browse/NIFI-5516
>             Project: Apache NiFi
>          Issue Type: New Feature
>          Components: Core Framework
>            Reporter: Mark Payne
>            Assignee: Mark Payne
>            Priority: Major
>
> Allow user to configure a Connection to be load balanced across the cluster. For more information, see Feature Proposal at https://cwiki.apache.org/confluence/display/NIFI/Load-Balanced+Connections



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