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    <title>MongoDB Jira</title>
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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-36277] Allow mongos to forward txnNumbers through the sharding task executor</title>
                <link>https://jira.mongodb.org/browse/SERVER-36277</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, mongos can&apos;t attach the txnNumber from a request&apos;s operation context in the sharding_task_executor (&lt;a href=&quot;https://github.com/mongodb/mongo/blob/r4.1.1/src/mongo/s/sharding_task_executor.cpp#L129-L136&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;like it does with the session id&lt;/a&gt;) because it can re-use the same operation context that sends the client&apos;s actual request to send metadata operations to the config server (e.g. implicitly&#160;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/r4.1.1/src/mongo/s/write_ops/chunk_manager_targeter.cpp#L323&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;creating a sharded collection through the ChunkManagerTargeter&lt;/a&gt;). If this could be resolved, mongos could blindly forward txnNumbers to mongod and let mongod validate them, instead of needing to do it itself.&lt;/p&gt;</description>
                <environment></environment>
        <key id="576085">SERVER-36277</key>
            <summary>Allow mongos to forward txnNumbers through the sharding task executor</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="13203">Gone away</resolution>
                                        <assignee username="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="jack.mulrow@mongodb.com">Jack Mulrow</reporter>
                        <labels>
                            <label>ShardedTxn:RouterSupport</label>
                    </labels>
                <created>Wed, 25 Jul 2018 15:08:33 +0000</created>
                <updated>Fri, 27 Oct 2023 20:43:20 +0000</updated>
                            <resolved>Tue, 5 Mar 2019 16:23:22 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="2052087" author="renctan" created="Mon, 5 Nov 2018 17:50:35 +0000"  >&lt;p&gt;Just talked with &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=jack.mulrow&quot; class=&quot;user-hover&quot; rel=&quot;jack.mulrow&quot;&gt;jack.mulrow&lt;/a&gt; and this is still an issue today. The problem is that mongos would sometimes fail to propagate the txnNumber from the original request to the shard, so commands that are originally not allowed will now become allowed. This could possibly be resolved by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-36260&quot; title=&quot;Mongos should reject commands that aren&amp;#39;t allowed in multi statement transactions by contain txnNumber&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-36260&quot;&gt;&lt;del&gt;SERVER-36260&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="2051796" author="esha.maharishi@10gen.com" created="Mon, 5 Nov 2018 15:55:27 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=renctan&quot; class=&quot;user-hover&quot; rel=&quot;renctan&quot;&gt;renctan&lt;/a&gt;, this has gone away since we introduced the MultiStatementTransactionRequestsSender, right?&lt;/p&gt;</comment>
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                <issuelinks>
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                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="564514">SERVER-35829</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="576581">SERVER-36300</issuekey>
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            <issuekey id="575743">SERVER-36260</issuekey>
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