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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-45744] Migration coordinator recovery task should bump the txnNumber on the session used to send _recvChunkStart</title>
                <link>https://jira.mongodb.org/browse/SERVER-45744</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;While working on &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45339&quot; title=&quot;Make MigrationSourceManager send _recvChunkStart to recipient shard as a retryable write&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45339&quot;&gt;&lt;del&gt;SERVER-45339&lt;/del&gt;&lt;/a&gt;, we re-realized why we originally wanted to make the recovery task bump the txnNumber used to send _recvChunkStart.&lt;/p&gt;

&lt;p&gt;It is to prevent an old donor primary from sending _recvChunkStart after the new donor primary has already completed the recovery, because this would cause a new range deletion task to be written on the recipient that would never get cleaned up.&lt;/p&gt;

&lt;p&gt;This ticket should make the donor persist the lsid and txnNumber used to send _recvChunkStart again, and make the recovery task do a dummy write using the lsid and txnNumber + 1 on the recipient before sending the decision to the recipient.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1112177">SERVER-45744</key>
            <summary>Migration coordinator recovery task should bump the txnNumber on the session used to send _recvChunkStart</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="alex.taskov@mongodb.com">Alexander Taskov</assignee>
                                    <reporter username="esha.maharishi@mongodb.com">Esha Maharishi</reporter>
                        <labels>
                    </labels>
                <created>Fri, 24 Jan 2020 00:52:03 +0000</created>
                <updated>Sun, 29 Oct 2023 22:12:57 +0000</updated>
                            <resolved>Thu, 20 Feb 2020 14:49:50 +0000</resolved>
                                                    <fixVersion>4.3.4</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="2886490" author="xgen-internal-githook" created="Thu, 20 Feb 2020 14:19:23 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;alextaskov&apos;, &apos;name&apos;: &apos;Alex Taskov&apos;, &apos;email&apos;: &apos;alex.taskov@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45744&quot; title=&quot;Migration coordinator recovery task should bump the txnNumber on the session used to send _recvChunkStart&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45744&quot;&gt;&lt;del&gt;SERVER-45744&lt;/del&gt;&lt;/a&gt; Migration coordinator recovery task should bump the txnNumber on the session used to send _recvChunkStart&lt;/p&gt;

&lt;p&gt; create mode 100644 jstests/sharding/bump_transaction_prevents_extra_deletion_task_write.js&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/742fa16dc379a281ad3c10e8c196d5ab2de9f70e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/742fa16dc379a281ad3c10e8c196d5ab2de9f70e&lt;/a&gt;&lt;/p&gt;</comment>
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