[ 
https://issues.apache.org/jira/browse/HDDS-1228?focusedWorklogId=327063&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-327063
 ]

ASF GitHub Bot logged work on HDDS-1228:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 11/Oct/19 20:32
            Start Date: 11/Oct/19 20:32
    Worklog Time Spent: 10m 
      Work Description: arp7 commented on pull request #1622: HDDS-1228. Chunk 
Scanner Checkpoints
URL: https://github.com/apache/hadoop/pull/1622#discussion_r334163690
 
 

 ##########
 File path: 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/impl/ContainerData.java
 ##########
 @@ -89,7 +91,9 @@
   private HddsVolume volume;
 
   private String checksum;
-  public static final Charset CHARSET_ENCODING = Charset.forName("UTF-8");
+  private Long dataScanTimestamp;
 
 Review comment:
   Also can you add a comment stating what the number means? Is it Unix epoch?
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 327063)
    Time Spent: 1h  (was: 50m)

> Chunk Scanner Checkpoints
> -------------------------
>
>                 Key: HDDS-1228
>                 URL: https://issues.apache.org/jira/browse/HDDS-1228
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: Ozone Datanode
>            Reporter: Supratim Deka
>            Assignee: Attila Doroszlai
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 0.5.0
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> Checkpoint the progress of the chunk verification scanner.
> Save the checkpoint persistently to support scanner resume from checkpoint - 
> after a datanode restart.



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