[HADOOP-2689] RegEx support for expressing datanodes in the slaves conf files

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.14.4
• Component/s: conf, scripts

Environment

All

• Assignee: Unassigned
• Reporter: Venkat Ramachandran
• Created: 23/Jan/08 02:57
• Updated: 06/Feb/18 20:27

Description

It will be very handy if datanodes and task trackers can be expressed in the slave conf file as regular expressions.

For example,

machine[1-200].corp
machine[400-679].corp

Issue Links

• is related to: HADOOP-9902 Shell script rewrite