HDFS Administration
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Exit Status

The following table shows exit statuses for the HDFS Balancer:

Table 5.4. Exit Statuses for the HDFS Balancer

SUCCESS0 The cluster is balanced. There are no over or under-utilized storages, with regard to the specified threshold.
ALREADY_RUNNING-1Another HDFS Balancer is running.
NO_MOVE_BLOCK-2The HDFS Balancer is not able to schedule a move.
NO_MOVE_PROGRESS-3All of the scheduled moves have failed for 5 consecutive iterations.
IO_EXCEPTION-4An IOException occurred.
ILLEGAL_ARGUMENTS-5An illegal argument in the command or configuration occurred.
INTERUPTED-6The HDFS Balancer process was interrupted.
UNFINALIZED_UPGRADE-7The cluster is being upgraded.