[HADOOP-13949] Hadoop could provide IP instead of hostname to represent the node, which can reduce the DNS hostname resolution consumption

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Component/s: common
• Assignee: Unassigned
• Reporter: DENG FEI
• Created: 04/Jan/17 10:48
• Updated: 18/Jul/18 22:15
• Resolved: 04/Jan/17 11:04

Description

Normally,Hadoop use hostname represent the node,such as datanode,nodemanager,will lookup nameserver at rack resolve or create rpc connnect .
May be could provide a chance use ip walk around dns resolution.

Issue Links

• is related to: HADOOP-15613 KerberosAuthenticator should resolve the hostname to get the service principal