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From "Kuhu Shukla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9318) considerLoad factor can be improved
Date Wed, 28 Oct 2015 02:14:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Kuhu Shukla updated HDFS-9318:
    Status: Patch Available  (was: Open)

> considerLoad factor can be improved
> -----------------------------------
>                 Key: HDFS-9318
>                 URL: https://issues.apache.org/jira/browse/HDFS-9318
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Kuhu Shukla
>            Assignee: Kuhu Shukla
>         Attachments: HDFS-9318-v1.patch
> Currently considerLoad avoids choosing nodes that are too active, so it helps level the
HDFS load across the cluster. Under normal conditions, this is desired. However, when a cluster
has a large percentage of nearly full nodes, this can make it difficult to find good targets
because the placement policy wants to avoid the full nodes, but considerLoad wants to avoid
the busy less-full nodes.

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