[HADOOP-12825] Log slow name resolutions - ASF JIRA

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Details

Type: Improvement
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.8.0, 2.7.2, 3.0.0-alpha1
Component/s: None
Labels:
None

Target Version/s:

2.8.0

Description

Logging slow name resolutions would be useful in identifying DNS performance issues in a cluster. Most resolutions go through org.apache.hadoop.security.SecurityUtil.getByName ( see attached call graph ). Adding additional logging to this method would expose such issues.

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getByName-call-graph.txt
19/Feb/16 22:46
50 kB
Sidharta Seethana
HADOOP-12825.001.patch
20/Feb/16 02:17
5 kB
Sidharta Seethana
HADOOP-12825.002.patch
22/Feb/16 21:37
5 kB
Sidharta Seethana
HADOOP-12825-branch-2.7.001.patch
30/May/17 20:36
5 kB
Jonathan Hung

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Assignee:: Sidharta Seethana

Reporter:: Sidharta Seethana

Votes:: 0 Vote for this issue

Watchers:: 10 Start watching this issue

Dates

Created:: 19/Feb/16 01:04

Updated:: 31/May/17 02:47

Resolved:: 31/May/17 02:47