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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11125) [SPS]: Use smaller batches of BlockMovingInfo into the block storage movement command
Date Sat, 29 Jul 2017 10:14:02 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rakesh R updated HDFS-11125:
----------------------------
    Parent Issue: HDFS-12226  (was: HDFS-10285)

> [SPS]: Use smaller batches of BlockMovingInfo into the block storage movement command
> -------------------------------------------------------------------------------------
>
>                 Key: HDFS-11125
>                 URL: https://issues.apache.org/jira/browse/HDFS-11125
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>
> This is a follow-up task of HDFS-11068, where it sends all the blocks under a trackID
over single heartbeat response(DNA_BLOCK_STORAGE_MOVEMENT command). If blocks are many under
a given trackID(For example: a file contains many blocks) then those requests go across a
network and come with a lot of overhead. In this jira, we will discuss and implement a mechanism
to limit the list of items into smaller batches with in trackID.



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