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https://issues.apache.org/jira/browse/HDFS-3976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13463349#comment-13463349
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Andrew Wang commented on HDFS-3976:
-----------------------------------
I suppose, though I think we need to keep a counter to pass to
{{allowableError()}}. Would you still prefer to see the foreach-style syntax?
> SampleQuantiles#query is O(N^2) instead of O(N)
> -----------------------------------------------
>
> Key: HDFS-3976
> URL: https://issues.apache.org/jira/browse/HDFS-3976
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.0.3-alpha
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Priority: Minor
> Attachments: hdfs-3976-1.patch
>
>
> SampleQuantiles#query() does O(N) calls LinkedList#get() in a loop, rather
> than using an iterator. This makes query O(N^2), rather than O(N).
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