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https://issues.apache.org/jira/browse/ARTEMIS-3297?focusedWorklogId=597090&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-597090
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ASF GitHub Bot logged work on ARTEMIS-3297:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 15/May/21 04:31
            Start Date: 15/May/21 04:31
    Worklog Time Spent: 10m 
      Work Description: clebertsuconic commented on a change in pull request 
#3580:
URL: https://github.com/apache/activemq-artemis/pull/3580#discussion_r632893707



##########
File path: artemis-server/src/main/resources/schema/artemis-configuration.xsd
##########
@@ -675,6 +675,82 @@
             </xsd:annotation>
          </xsd:element>
 
+         <xsd:element name="journal-retention" maxOccurs="1" minOccurs="0">
+            <xsd:annotation>
+               <xsd:documentation>
+                  Configuration about the journal retention configuration.
+               </xsd:documentation>
+            </xsd:annotation>
+            <xsd:complexType>
+               <xsd:attribute name="unit" use="required">
+                  <xsd:annotation>
+                     <xsd:documentation>
+                        This configures the period type to use on limit. By 
default it is DAYS.
+                     </xsd:documentation>
+                  </xsd:annotation>
+                  <xsd:simpleType>
+                     <xsd:restriction base="xsd:string">
+                        <xsd:enumeration value="DAYS"/>
+                        <xsd:enumeration value="HOURS"/>
+                        <xsd:enumeration value="SECONDS"/>
+                     </xsd:restriction>
+                  </xsd:simpleType>
+               </xsd:attribute>
+               <xsd:attribute name="directory" type="xsd:string" 
use="required">

Review comment:
       you mean this?
   
   ```
   <journal-retention unit="DAYS" period="7" 
storage-limit="10G">data/retention</journal-retention>
   ```
   
   I would have to call it journal-retention-directory.. it wouldn't look as 
nice IMO. I would probably have to split it into separate elements... I would 
rather keep the way it is now.




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 597090)
    Time Spent: 8h 10m  (was: 8h)

> Journal Retention Feature
> -------------------------
>
>                 Key: ARTEMIS-3297
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-3297
>             Project: ActiveMQ Artemis
>          Issue Type: New Feature
>    Affects Versions: 2.17.0
>            Reporter: Clebert Suconic
>            Priority: Major
>             Fix For: 2.18.0
>
>          Time Spent: 8h 10m
>  Remaining Estimate: 0h
>
> We should keep historical backup of the journal data, and having tools to 
> recover data in case of data loss.
>  
> Data loss could mean by unbehaved client's (say you mistakenly acknowledged 
> data and your code caused the message to disappear earlier), or even after 
> eventual bugs on the broker.
>  
> To activate the functionality, you have to specify journal-history-data on 
> broker.xml.



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