[HBASE-12286] [shell] Add server/cluster online load of configuration changes

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.99.2
• Component/s: shell
• Hadoop Flags: Reviewed

Release Note

Adds shell commands:

update_config 'servername'
update_all_config

These call new Admin methods added in HBASE-12147 to change server config. Only a small subset of configs are changeable without restart currently mostly to do with compaction configuration. See the refguide on dynamic configuration for a list.

• Assignee: Manukranth Kolloju
• Reporter: Michael Stack
• Created: 18/Oct/14 21:06
• Updated: 06/Apr/18 17:54
• Resolved: 21/Oct/14 18:41

Description

Add new loadConfig and loadConfig ServerName verbs to shell to expose new online loading of config changes.

This is last piece of a forward port of 0.89fb dynamic config feature done by manukranthk

I'll do this last bit if no one else takes it up.

Issue Links

• is related to: HBASE-12147 Porting Online Config Change from 89-fb