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    <title>MongoDB Jira</title>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[KAFKA-207] Heartbeat make messages tombstone messages</title>
                <link>https://jira.mongodb.org/browse/KAFKA-207</link>
                <project id="16285" key="KAFKA">Kafka Connector</project>
                    <description>&lt;p&gt;Reduces the size of the data stored in Kafka.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1648979">KAFKA-207</key>
            <summary>Heartbeat make messages tombstone messages</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="ross@mongodb.com">Ross Lawley</assignee>
                                    <reporter username="ross@mongodb.com">Ross Lawley</reporter>
                        <labels>
                    </labels>
                <created>Mon, 15 Mar 2021 14:45:59 +0000</created>
                <updated>Sat, 28 Oct 2023 10:46:09 +0000</updated>
                            <resolved>Tue, 16 Mar 2021 11:55:48 +0000</resolved>
                                                    <fixVersion>1.5.0</fixVersion>
                                    <component>Source</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3688255" author="xgen-internal-githook" created="Mon, 29 Mar 2021 10:39:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Ross Lawley&apos;, &apos;email&apos;: &apos;ross.lawley@gmail.com&apos;, &apos;username&apos;: &apos;rozza&apos;}
&lt;p&gt;Message: Ensure the heartbeat message schema is optional&lt;/p&gt;

&lt;p&gt;A non optional schema breaks value conversion.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/KAFKA-207&quot; title=&quot;Heartbeat make messages tombstone messages&quot; class=&quot;issue-link&quot; data-issue-key=&quot;KAFKA-207&quot;&gt;&lt;del&gt;KAFKA-207&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/KAFKA-208&quot; title=&quot;Error on heartbeat setup with existing SMT&quot; class=&quot;issue-link&quot; data-issue-key=&quot;KAFKA-208&quot;&gt;&lt;del&gt;KAFKA-208&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-kafka/commit/00cfc5e4ee241159acf48fc90a1d6a623dfdfba0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-kafka/commit/00cfc5e4ee241159acf48fc90a1d6a623dfdfba0&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3664733" author="xgen-internal-githook" created="Mon, 15 Mar 2021 16:48:01 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Ross Lawley&apos;, &apos;email&apos;: &apos;ross.lawley@gmail.com&apos;, &apos;username&apos;: &apos;rozza&apos;}
&lt;p&gt;Message: Improve heartbeat message efficiency.&lt;/p&gt;

&lt;p&gt;Set the value payload to null. Making them a tombstone message.&lt;br/&gt;
This allows Kafka to delete the previous messages and reduces storage.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/KAFKA-207&quot; title=&quot;Heartbeat make messages tombstone messages&quot; class=&quot;issue-link&quot; data-issue-key=&quot;KAFKA-207&quot;&gt;&lt;del&gt;KAFKA-207&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-kafka/commit/6330cb9336924e81dceef72b8e383cfd5355cbb9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-kafka/commit/6330cb9336924e81dceef72b8e383cfd5355cbb9&lt;/a&gt;&lt;/p&gt;</comment>
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