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https://issues.apache.org/jira/browse/HDDS-1379?focusedWorklogId=222714&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-222714
]
ASF GitHub Bot logged work on HDDS-1379:
----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Apr/19 00:00
Start Date: 04/Apr/19 00:00
Worklog Time Spent: 10m
Work Description: bharatviswa504 commented on pull request #689:
HDDS-1379. Convert all OM Volume related operations to HA model.
URL: https://github.com/apache/hadoop/pull/689#discussion_r271976703
##########
File path:
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OmVolumeOwnerChangeResponse.java
##########
@@ -0,0 +1,56 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with this
+ * work for additional information regarding copyright ownership. The ASF
+ * licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
under
+ * the License.
+ */
+
+package org.apache.hadoop.ozone.om.helpers;
+
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos
+ .VolumeList;
+
+/**
+ * OM response for owner change request for a ozone volume.
+ */
+public class OmVolumeOwnerChangeResponse {
+ private VolumeList originalOwnerVolumeList;
Review comment:
I think you have figured out this, but adding my response here.
Added these fields because during applyTransaction we don't want to read
OMDB, in applyTransaction, it is just applied to OM DB. (Like put call, commit
batch call). If we don't return these values, we need to read OM DB again in
applyTransaction.
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Issue Time Tracking
-------------------
Worklog Id: (was: 222714)
Time Spent: 2h 50m (was: 2h 40m)
> Convert all OM Volume related operations to HA model
> ----------------------------------------------------
>
> Key: HDDS-1379
> URL: https://issues.apache.org/jira/browse/HDDS-1379
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Bharat Viswanadham
> Assignee: Bharat Viswanadham
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> In this jira, we shall convert all OM related operations to OM HA model,
> which is a 2 step.
> # StartTransaction, where we validate request and check for any errors and
> return the response.
> # ApplyTransaction, where original OM request will have a response which
> needs to be applied to OM DB. This step is just to apply response to Om DB.
> In this way, all requests which are failed with like volume not found or some
> conditions which i have not satisfied like when deleting volume should be
> empty, these all will be executed during startTransaction, and if it fails
> these requests will not be written to raft log also.
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