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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (HDDS-1391) Add ability in OM to serve delta updates through an API.
Date Thu, 25 Jul 2019 22:43:01 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1391?focusedWorklogId=282965&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-282965

ASF GitHub Bot logged work on HDDS-1391:

                Author: ASF GitHub Bot
            Created on: 25/Jul/19 22:42
            Start Date: 25/Jul/19 22:42
    Worklog Time Spent: 10m 
      Work Description: arp7 commented on pull request #1033: HDDS-1391 : Add ability in OM
to serve delta updates through an API.
URL: https://github.com/apache/hadoop/pull/1033#discussion_r307527924

 File path: hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/RDBStore.java
 @@ -327,6 +329,44 @@ public CodecRegistry getCodecRegistry() {
     return codecRegistry;
+  @Override
+  public DBUpdatesWrapper getUpdatesSince(long sequenceNumber)
+      throws SequenceNumberNotFoundException {
+    DBUpdatesWrapper dbUpdatesWrapper = new DBUpdatesWrapper();
+    try {
+      TransactionLogIterator transactionLogIterator =
+          db.getUpdatesSince(sequenceNumber);
+      boolean flag = true;
 Review comment:
   Can you give this a more descriptive name?
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Issue Time Tracking

    Worklog Id:     (was: 282965)
    Time Spent: 3h 10m  (was: 3h)

> Add ability in OM to serve delta updates through an API.
> --------------------------------------------------------
>                 Key: HDDS-1391
>                 URL: https://issues.apache.org/jira/browse/HDDS-1391
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: Ozone Manager
>            Reporter: Aravindan Vijayan
>            Assignee: Aravindan Vijayan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.5.0
>          Time Spent: 3h 10m
>  Remaining Estimate: 0h
> Added an RPC end point to serve the set of updates in OM RocksDB from a given sequence
> This will be used by Recon (HDDS-1105) to push the data to all the tasks that will keep
their aggregate data up to date. 

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