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https://issues.apache.org/jira/browse/HADOOP-12173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Inigo Goiri updated HADOOP-12173:
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Attachment: HADOOP-12173-v1.patch
Patch to fix overcalling toString
> NetworkTopology#add calls NetworkTopology#toString always
> ---------------------------------------------------------
>
> Key: HADOOP-12173
> URL: https://issues.apache.org/jira/browse/HADOOP-12173
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Inigo Goiri
> Assignee: Inigo Goiri
> Fix For: 2.7.1
>
> Attachments: HADOOP-12173-v1.patch
>
>
> It always does a toString of the whole topology but this is not required when
> there are no errors. This is adding a very big overhead to large clusters as
> it's walking the whole tree every time we add a node to the cluster.
> HADOOP-10953 did some fix in that area but the errors is still there.
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