Exit Status
The following table shows exit statuses for the HDFS Balancer:
Table 15.4. Exit Statuses for the HDFS Balancer
| Status | Value | Description |
|---|---|---|
| SUCCESS | 0 | The cluster is balanced. There are no over or under-utilized storages, with regard to the specified threshold. |
| ALREADY_RUNNING | -1 | Another HDFS Balancer is running. |
| NO_MOVE_BLOCK | -2 | The HDFS Balancer is not able to schedule a move. |
| NO_MOVE_PROGRESS | -3 | All of the scheduled moves have failed for 5 consecutive iterations. |
| IO_EXCEPTION | -4 | An IOException occurred. |
| ILLEGAL_ARGUMENTS | -5 | An illegal argument in the command or configuration occurred. |
| INTERUPTED | -6 | The HDFS Balancer process was interrupted. |
| UNFINALIZED_UPGRADE | -7 | The cluster is being upgraded. |