alluxio.job.plan.transform.compact

Interface Compactor

public interface Compactor

Compacts a list of inputs to an output. The output can either be a single table file, or a group of table files where each file is completed once it reaches a certain size.

Method Summary

Modifier and Type	Method and Description
void	compact(java.util.List<TableReader> inputs, TableWriter output) Compacts a list of inputs to the output.

Method Detail

compact

void compact(java.util.List<TableReader> inputs,
             TableWriter output)
      throws java.io.IOException

Compacts a list of inputs to the output. Closing the readers and writer is the responsibility of the caller.

Parameters:

inputs - a list of table readers

output - a table writer, can be a TablesWriter

Throws:

java.io.IOException - when compaction fails