Common Properties of Data Partitioning Components

These components are dedicated for data flow management when using Data Partitioning or in CloverETL Cluster environment.

Table 54.1. Data Partitioning Components Comparison

Component Same input metadata Sorted inputs Inputs Outputs Java CTL Auto-propagated metadata
ParallelPartition
yes
no
11 [1] [2] [2]
yes
ParallelLoadBalancingPartition
yes
no
11 [1]
no
no
yes
ParallelSimpleGather
yes
no
1 [3] 1
no
no
yes
ParallelMerge
yes
yes
1 [3] 1
no
no
yes
ParallelRepartition
yes
no
1 [3] 1 [1] [2] [2]
yes

[1]  The single output port represents multiple virtual output ports.

[2]  ParallelPartition and ParallelRepartition can use either the transformation or two other attributes (Ranges or Partition key).

[3]  The single input port represents multiple virtual input ports.