[jira] [Created] (HBASE-24722) Address hbase-shell commands with unintentional return values

["Elliot Miller (Jira)" <ji...@apache.org>]

Elliot Miller created HBASE-24722:
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             Summary: Address hbase-shell commands with unintentional return values
                 Key: HBASE-24722
                 URL: https://issues.apache.org/jira/browse/HBASE-24722
             Project: HBase
          Issue Type: Improvement
          Components: shell
    Affects Versions: 3.0.0-alpha-1, 2.3.0
            Reporter: Elliot Miller
            Assignee: Elliot Miller


There are a number of commands in hbase-shell that return values that are undocumented or otherwise do not makes sense.

The commands that will be addressed by this ticket were found in a survey of all the hbase shell commands, https://issues.apache.org/jira/browse/HBASE-24672.

Subtasks:
 * Fix commands that return the number of printed lines (usually the number 1).
 ** Affected commands (culprits): is_disabled, balancer, normalize, normalizer_switch, normalizer_enabled, catalogjanitor_switch, catalogjanitor_enabled, cleaner_chore_switch, cleaner_chore_enabled, splitormerge_switch, splitormerge_enabled, clear_deadservers, clear_block_cache
 ** I am updating these 13 commands to either return a value that makes sense or return nil if a sensible return value doesn't exist.
 * Fix commands that return true or false as a String
 ** Affected commands (culprits): balance_switch, snapshot_cleanup_switch, enable_rpc_throttle, disable_rpc_throttle, enable_exceed_throttle_quota, disable_exceed_throttle_quota
 ** I am updating these 6 commands to return ruby's TrueClass or FalseClass rather than a String



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