clear_deadservers
Contents
Definition
Clears all dead Region Servers from HBase or the specified ones. The optional input parameter can be used for filtering dead servers. Returns an error if the list of dead servers is empty.
Usage
clear_deadservers ['<region_server_name>,<port_number>,<start_code>'[,...]]| Parameter | Description |
|---|---|
region_server_name |
A Region Server name |
port_number |
A port number |
start_code |
A Server start code |
|
TIP
You can get <server_name>, <port_number>, and <start_code> using the status 'simple' command.
|
Examples
hbase(main):008:0> clear_deadservers
ERROR: servers cannot be null or empty
Clear the dead region servers that are never used.
Examples:
Clear all dead region servers:
hbase> clear_deadservers
Clear the specified dead region servers:
hbase> clear_deadservers 'host187.example.com,60020,1289493121758'
or
hbase> clear_deadservers 'host187.example.com,60020,1289493121758',
'host188.example.com,60020,1289493121758'
Took 0.0166 seconds