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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
    </build-info>


<item>
            <title>[SERVER-33702] Move sessionId and txnNumber addition from ShardingTaskExecutor::scheduleRemoteCommand</title>
                <link>https://jira.mongodb.org/browse/SERVER-33702</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently ShardingTaskExecutor::scheduleRemoteCommand adds sessionId to the command before its passed to shards.  &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.7.2/src/mongo/s/sharding_task_executor.cpp#L122-L131&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/r3.7.2/src/mongo/s/sharding_task_executor.cpp#L122-L131&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;This is wrong place for command mutating operations. There are other better places such as &lt;br/&gt;
build(Un)VersionedRequestsForTargetedShards&lt;/p&gt;

&lt;p&gt;another related issue with this code is that it does not pass the txnNumber: adding this code to sharding_task_executor&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;            if (request.opCtx-&amp;gt;getTxnNumber() &amp;amp;&amp;amp; !request.cmdObj.hasField(&quot;txnNumber&quot;)) {&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                bob.append(&quot;txnNumber&quot;, *(request.opCtx-&amp;gt;getTxnNumber()));&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;            }&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;

&lt;p&gt;breaks retryable_writes.js test &lt;a href=&quot;https://logkeeper.mongodb.org/lobster/build/3fd956889add4ebb942a9029d1966e5c/test/5aa07efebe07c43cdf26e014?bookmarks=0%2C2203&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://logkeeper.mongodb.org/lobster/build/3fd956889add4ebb942a9029d1966e5c/test/5aa07efebe07c43cdf26e014?bookmarks=0%2C2203&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="506614">SERVER-33702</key>
            <summary>Move sessionId and txnNumber addition from ShardingTaskExecutor::scheduleRemoteCommand</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="3">Duplicate</resolution>
                                        <assignee username="misha.tyulenev@mongodb.com">Misha Tyulenev</assignee>
                                    <reporter username="misha.tyulenev@mongodb.com">Misha Tyulenev</reporter>
                        <labels>
                            <label>PM-834</label>
                            <label>todo_in_code</label>
                    </labels>
                <created>Tue, 6 Mar 2018 20:06:39 +0000</created>
                <updated>Tue, 5 Jun 2018 14:01:58 +0000</updated>
                            <resolved>Tue, 17 Apr 2018 16:09:04 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="1860408" author="misha.tyulenev" created="Tue, 10 Apr 2018 15:45:01 +0000"  >&lt;p&gt;This should be reviewed later when commands data handling is simplified.&lt;/p&gt;</comment>
                            <comment id="1828847" author="renctan" created="Fri, 9 Mar 2018 15:51:36 +0000"  >&lt;p&gt;Mongos shouldn&apos;t need to attach txnNumber since it is already included in the user request. The only exception for this is when mongos had to construct new request (ex. &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.7.2/src/mongo/s/write_ops/batch_write_exec.cpp#L185&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;write commands&lt;/a&gt; has to split the request to multiple small batches to be sent to multiple shards) where it has to make sure that it includes the txnNumber.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
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                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="489883">SERVER-33029</issuekey>
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                            <issuelinktype id="10010">
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            <issuekey id="513656">SERVER-33991</issuekey>
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