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Keyed Join fix for the remote handling of parts from othr clusters

When a smaller Thor


clusterread a file from a larger Thor where the larger Thor file overlapped


some slaves


of the smaller cluster, it could find non-primary copies of the file


parts local to the slaves. The effect of this was that other slaves working on KJ would send requests to those local slaves, but did not map to the correct (non-primary) copy, resulting in a 'Failed to open' file error.

A workaround is to add this option:

#option('remoteKeyedLookup', false);

which forces all KJ part thread handlers to access the keyed parts directly.

Thor jobs locking up when using SMART join