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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11519) Ozone: Implement XceiverServerSpi and XceiverClientSpi using Ratis
Date Tue, 21 Mar 2017 02:48:42 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15934003#comment-15934003
] 

Anu Engineer commented on HDFS-11519:
-------------------------------------

[~szetszwo] I tried to apply the patch v3 on the current top of the tree on HDFS-7240. But
I am running into a compiler error.

{code}
[ERROR] Failed to execute goal on project hadoop-hdfs-client: Could not resolve dependencies
for project org.apache.hadoop:hadoop-hdfs-client:jar:3.0.0-alpha3-SNAPSHOT: The following
artifacts could not be resolved: org.apache.ratis:ratis-netty:jar:0.1-SNAPSHOT, org.apache.ratis:ratis-grpc:jar:0.1-SNAPSHOT:
Failure to find org.apache.ratis:ratis-netty:jar:0.1-SNAPSHOT in http://nexus-private.hortonworks.com/nexus/content/groups/public/
was cached in the local repository, resolution will not be reattempted until the update interval
of public has elapsed or updates are forced -> [Help 1]
{code}


> Ozone: Implement XceiverServerSpi and XceiverClientSpi using Ratis
> ------------------------------------------------------------------
>
>                 Key: HDFS-11519
>                 URL: https://issues.apache.org/jira/browse/HDFS-11519
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>         Attachments: HDFS-11519-HDFS-7240.20170310.patch, HDFS-11519-HDFS-7240.20170315.patch,
HDFS-11519-HDFS-7240.20170320.patch
>
>
> Ratis provides an implementation of the RAFT consensus protocol.  In this JIRA, we use
it to implement xceiver server and client so that the client requests will be replicated to
multiple servers.



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