[MAPREDUCE-7242] Do Not Initialize Empty ArrayList in LocalContainerAllocator - ASF JIRA

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Details

Type: Improvement
Status: Patch Available
Priority: Trivial
Resolution: Unresolved
Affects Version/s: 3.2.0
Fix Version/s: None
Component/s: client
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Patch

Description

https://github.com/apache/hadoop/blob/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/local/LocalContainerAllocator.java#L107-L110

Just pass static empty collections and save the initialization.

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MAPREDUCE-7242.1.patch
20/Sep/19 15:19
1 kB
David Mollitor
MAPREDUCE-7242.2.patch
20/Sep/19 17:19
2 kB
David Mollitor

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Assignee:: David Mollitor

Reporter:: David Mollitor

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Dates

Created:: 20/Sep/19 15:19

Updated:: 20/Sep/19 18:04