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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12033) DatanodeManager picking EC recovery tasks should also consider the number of regular replication tasks.
Date Sat, 24 Jun 2017 00:01:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lei (Eddy) Xu updated HDFS-12033:
---------------------------------
    Attachment: HDFS-12033.00.patch

Adjust {{maxTransfer}} for {{pending replication tasks}}

> DatanodeManager picking EC recovery tasks should also consider the number of regular
replication tasks.
> -------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-12033
>                 URL: https://issues.apache.org/jira/browse/HDFS-12033
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: erasure-coding
>    Affects Versions: 3.0.0-alpha3
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>         Attachments: HDFS-12033.00.patch
>
>
> In {{DatanodeManager#handleHeartbeat}}, it choose both pending replication list and pending
EC list to up to {{maxTransfers}} items.
> It should only send {{maxTransfers}} tasks combined to DN.



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