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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (HDDS-1620) Implement Volume Write Requests to use Cache and DoubleBuffer
Date Tue, 11 Jun 2019 17:30:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1620?focusedWorklogId=257940&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-257940
]

ASF GitHub Bot logged work on HDDS-1620:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 11/Jun/19 17:29
            Start Date: 11/Jun/19 17:29
    Worklog Time Spent: 10m 
      Work Description: bharatviswa504 commented on pull request #884: HDDS-1620. Implement
Volume Write Requests to use Cache and DoubleBuffer.
URL: https://github.com/apache/hadoop/pull/884#discussion_r292574926
 
 

 ##########
 File path: hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/volume/VolumeRequestHelper.java
 ##########
 @@ -0,0 +1,117 @@
+/**
+ * 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.request.volume;
+
+import com.google.common.base.Preconditions;
+import org.apache.hadoop.ozone.om.OMMetadataManager;
+import org.apache.hadoop.ozone.om.exceptions.OMException;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos
+    .VolumeList;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Helper class for Volume requests.
+ */
+public final class VolumeRequestHelper {
+
+  private VolumeRequestHelper() {
+
+  }
+
+  /**
+   * Delete volume from user list. This method should be called after acquiring
+   * user lock.
+   * @param omMetadataManager
+   * @param volume
+   * @param owner
+   * @return VolumeList - updated volume list for the user.
+   * @throws IOException
+   */
+  public static VolumeList delVolumeFromOwnerList(
+      OMMetadataManager omMetadataManager, String volume, String owner)
+      throws IOException {
 
 Review comment:
   Fixed it.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 257940)
    Time Spent: 6h  (was: 5h 50m)

> Implement Volume Write Requests to use Cache and DoubleBuffer
> -------------------------------------------------------------
>
>                 Key: HDDS-1620
>                 URL: https://issues.apache.org/jira/browse/HDDS-1620
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: Ozone Manager
>            Reporter: Bharat Viswanadham
>            Assignee: Bharat Viswanadham
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 6h
>  Remaining Estimate: 0h
>
> Implement Volume write requests to use OM Cache, double buffer. 
> In this Jira will add the changes to implement volume operations, and HA/Non-HA will
have a different code path, but once all requests are implemented will have a single code
path.



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