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https://issues.apache.org/jira/browse/HDFS-15786?focusedWorklogId=540525&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-540525
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ASF GitHub Bot logged work on HDFS-15786:
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Author: ASF GitHub Bot
Created on: 23/Jan/21 13:09
Start Date: 23/Jan/21 13:09
Worklog Time Spent: 10m
Work Description: arturobernalg closed pull request #2642:
URL: https://github.com/apache/hadoop/pull/2642
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Issue Time Tracking
-------------------
Worklog Id: (was: 540525)
Time Spent: 1h 40m (was: 1.5h)
> Minor improvement use isEmpty
> -----------------------------
>
> Key: HDFS-15786
> URL: https://issues.apache.org/jira/browse/HDFS-15786
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Arturo Bernal
> Assignee: Arturo Bernal
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> Use isEmpty instead size() > o.
>
> {{size()}} can be *O(1)* or *O(N)*, depending on the {{data structure}};
> {{.isEmpty()}} is never *O(N)*.
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