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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDDS-1138) OzoneManager should return the pipeline info of the allocated block along with block info
Date Fri, 15 Mar 2019 17:55:00 GMT

    [ https://issues.apache.org/jira/browse/HDDS-1138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16793825#comment-16793825
] 

Hudson commented on HDDS-1138:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #16218 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/16218/])
HDDS-1138. Ozone Client should avoid talking to SCM directly. (github: rev d1afa038044f6aaec43551571caae567b2bf4139)
* (edit) hadoop-ozone/objectstore-service/src/main/java/org/apache/hadoop/ozone/web/storage/DistributedStorageHandler.java
* (add) hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ScmClient.java
* (edit) hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/KeyInputStream.java
* (edit) hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/KeyOutputStream.java
* (edit) hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OmKeyArgs.java
* (edit) hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/rpc/RpcClient.java
* (edit) hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java
* (edit) hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OmKeyLocationInfo.java
* (edit) hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
* (edit) hadoop-ozone/common/src/main/proto/OzoneManagerProtocol.proto


> OzoneManager should return the pipeline info of the allocated block along with block
info
> -----------------------------------------------------------------------------------------
>
>                 Key: HDDS-1138
>                 URL: https://issues.apache.org/jira/browse/HDDS-1138
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>          Components: Ozone Client, Ozone Manager
>    Affects Versions: 0.4.0
>            Reporter: Mukul Kumar Singh
>            Assignee: Xiaoyu Yao
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.4.0
>
>         Attachments: HDDS-1138.001.patch
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> Currently, while a block is allocated from OM, the request is forwarded to SCM. However,
even though the pipeline information is present with the OM for block allocation, this information
is passed through to the client.
> This optimization will help in reducing the number of hops for the client by reducing
1 RPC round trip for each block allocated.



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