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https://issues.apache.org/jira/browse/HDDS-2170?focusedWorklogId=317459&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-317459
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ASF GitHub Bot logged work on HDDS-2170:
----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Sep/19 12:51
Start Date: 24/Sep/19 12:51
Worklog Time Spent: 10m
Work Description: anuengineer commented on pull request #1510: HDDS-2170.
Add Object IDs and Update ID to Volume Object
URL: https://github.com/apache/hadoop/pull/1510#discussion_r327595783
##########
File path:
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OmVolumeArgs.java
##########
@@ -188,6 +237,29 @@ public int hashCode() {
private long quotaInBytes;
private Map<String, String> metadata;
private OmOzoneAclMap aclMap;
+ private long objectID;
+ private long updateID;
+
+ /**
+ * Sets the Object ID for this Object.
+ * Object ID are unique and immutable identifier for each object in the
+ * System.
+ * @param objectID - long
+ */
+ public void setObjectID(long objectID) {
+ this.objectID = objectID;
Review comment:
Object ID represents a unique Identity for an object. Update ID represents
a token that is useful to detect if an object has been changed after a read has
been performed. For example, with update IDs I can cache an object and make
changes, and when I apply I can detect if an object has been updated by any
other thread.
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Issue Time Tracking
-------------------
Worklog Id: (was: 317459)
Time Spent: 1h 10m (was: 1h)
> Add Object IDs and Update ID to Volume Object
> ---------------------------------------------
>
> Key: HDDS-2170
> URL: https://issues.apache.org/jira/browse/HDDS-2170
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Anu Engineer
> Assignee: Anu Engineer
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> This patch proposes to add object ID and update ID when a volume is created.
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