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https://issues.apache.org/jira/browse/HDDS-1250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16795400#comment-16795400
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Hudson commented on HDDS-1250:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #16238 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/16238/])
HDDS-1250. In OM HA AllocateBlock call where connecting to SCM from OM (bharat:
rev 93db5da4d95b1c5397a6e703db6894791f621ff3)
* (add)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/RequestHandler.java
* (add)
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocol/OzoneManagerHAProtocol.java
* (edit)
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocol/OzoneManagerProtocol.java
* (edit) hadoop-ozone/common/src/main/proto/OzoneManagerProtocol.proto
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManager.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OzoneManagerRatisServer.java
* (add)
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocol/OzoneManagerServerProtocol.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerRequestHandler.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerProtocolServerSideTranslatorPB.java
* (add)
hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/ratis/TestOzoneManagerStateMachine.java
* (edit)
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/audit/OMAction.java
* (edit)
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/protocolPB/OzoneManagerProtocolClientSideTranslatorPB.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OMMetrics.java
* (edit)
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmBlockVersioning.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OzoneManagerStateMachine.java
> In OM HA AllocateBlock call where connecting to SCM from OM should not happen
> on Ratis
> --------------------------------------------------------------------------------------
>
> Key: HDDS-1250
> URL: https://issues.apache.org/jira/browse/HDDS-1250
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Bharat Viswanadham
> Assignee: Bharat Viswanadham
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.5.0
>
> Time Spent: 4h 50m
> Remaining Estimate: 0h
>
> In OM HA, currently when allocateBlock is called, in applyTransaction() on
> all OM nodes, we make a call to SCM and write the allocateBlock information
> into OM DB. The problem with this is, every OM allocateBlock and appends new
> BlockInfo into OMKeyInfom and also this a correctness issue. (As all OM's
> should have the same block information for a key, even though eventually this
> might be changed during key commit)
>
> The proposed approach is:
> 1. Calling SCM for allocation of block will happen outside of ratis, and this
> block information is passed and writing to DB will happen via Ratis.
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