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https://issues.apache.org/jira/browse/HDFS-9442?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mingliang Liu updated HDFS-9442:
--------------------------------
Resolution: Won't Fix
Status: Resolved (was: Patch Available)
As stated in the promising work in [HDFS-10419], the storage container layer
provides an object storage interface and aims to manage data/metadata in a
distributed manner. The motivation and value of this work will not stand after
that.
Considering the incomplete and inactive status of this work, resolving it as
"won't fix".
> Move block replication logic from BlockManager to a new class
> ReplicationManager
> --------------------------------------------------------------------------------
>
> Key: HDFS-9442
> URL: https://issues.apache.org/jira/browse/HDFS-9442
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Mingliang Liu
> Assignee: Mingliang Liu
> Attachments: HDFS-9442.000.patch, HDFS-9442.001.patch,
> HDFS-9442.002.patch, HDFS-9442.003.patch, HDFS-9442.004.patch,
> HDFS-9442.005.patch, HDFS-9442.006.patch, HDFS-9442.007.patch,
> HDFS-9442.008.patch
>
>
> Currently the {{BlockManager}} is managing all replication logic for over- ,
> under- and mis-replicated blocks. This jira proposes to move that code to a
> new class named {{ReplicationManager}} for cleaner code logic, shorter source
> files, and easier lock separating work in future.
> The {{ReplicationManager}} is a package local class, providing
> {{BlockManager}} with methods that accesses its internal data structures of
> replication queue. Meanwhile, the class maintains the lifecycle of
> {{replicationThread}} and {{replicationQueuesInitializer}} daemon.
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