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Job freezes when a Merge step receives on one side a stream of rows and on the other side one block of rows

Question asked by Olivier Wenger on Mar 15, 2018
Latest reply on Mar 15, 2018 by Johan Hammink

For an unknown reason, Pentaho freezes when a Merge step receives on one side a stream of rows and on the other side one block of rows. It works perfectly however when the Merge step receives either streams on both sides or blocks on both sides:

Stream on both sides, it works:

pentaho_merge_stream.png

Stream on one side, block on the other, Pentaho freezes:

pentaho_merge_stream-block.png

All rows at once on both side, it works:

pentaho_merge_block.png

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