[HDFS-9364] Unnecessary DNS resolution attempts when creating NameNodeProxies - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.8.0, 3.0.0-alpha1
Component/s: ha, performance
Labels:
None

Target Version/s:

2.8.0
Hadoop Flags:

Reviewed

Description

When creating NameNodeProxies, we always try to DNS-resolve namenode URIs. This is unnecessary if the URI is logical, and may be significantly slow if the DNS is having problems.

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HDFS-9364.001.patch
03/Nov/15 07:00
6 kB
Xiao Chen
HDFS-9364.002.patch
04/Nov/15 06:55
7 kB
Xiao Chen
HDFS-9364.003.patch
04/Nov/15 16:40
5 kB
Xiao Chen
HDFS-9364.004.patch
07/Nov/15 01:45
5 kB
Xiao Chen

Issue Links

is related to

HDFS-8307 Spurious DNS Queries from hdfs shell

Resolved

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Assignee:: Xiao Chen

Reporter:: Xiao Chen

Votes:: 0 Vote for this issue

Watchers:: 9 Start watching this issue

Dates

Created:: 03/Nov/15 01:29

Updated:: 22/Feb/17 19:35

Resolved:: 10/Nov/15 17:56