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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-22203] remove shardVersion information and usages from BatchedCommandRequest</title>
                <link>https://jira.mongodb.org/browse/SERVER-22203</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&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;
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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-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 the request has a shard version, but the operation doesn&apos;t have a shard version, this&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;    // means it came from an old mongos instance (pre 3.2) that set the version in the &quot;metadata&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;    // field instead of at the top level. Set the value in order to ensure the&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;    // dependent code works.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;    // TODO(spencer): Remove this after 3.2 ships.&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;</description>
                <environment></environment>
        <key id="258909">SERVER-22203</key>
            <summary>remove shardVersion information and usages from BatchedCommandRequest</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="9">Done</resolution>
                                        <assignee username="esha.maharishi@mongodb.com">Esha Maharishi</assignee>
                                    <reporter username="milkie@mongodb.com">Eric Milkie</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Fri, 15 Jan 2016 20:10:05 +0000</created>
                <updated>Wed, 16 Mar 2016 20:30:31 +0000</updated>
                            <resolved>Tue, 8 Mar 2016 00:42:52 +0000</resolved>
                                                    <fixVersion>3.3.3</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1195878" author="esha.maharishi@10gen.com" created="Tue, 8 Mar 2016 00:42:52 +0000"  >&lt;p&gt;Note: a change was made to when mongod does shard versioning to allow &lt;b&gt;idempotent&lt;/b&gt; multiUpdates to eventually succeed if retried until all matching documents were updated.&lt;/p&gt;

&lt;p&gt;Before: If a stale mongos targeted a single shard for a multiUpdate or multiRemove, but the chunk had moved, the update or remove would &lt;b&gt;never&lt;/b&gt; succeed from that mongos (unless/until the mongos refreshed its metadata due to some other operation).&lt;/p&gt;

&lt;p&gt;After: The above case now succeeds, since versioning is done if a single shard is targeted. On the other hand, if a stale mongos targets multiple shards, but a chunk has moved, the mongos will receive a staleShardVersion and retry the request to (all) shards, allowing the request to eventually succeed. However, in this case, a &lt;b&gt;non-idempotent&lt;/b&gt; update may get applied &lt;b&gt;more than once&lt;/b&gt;.&lt;/p&gt;</comment>
                            <comment id="1195875" author="xgen-internal-githook" created="Tue, 8 Mar 2016 00:38:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;name&apos;: u&apos;Esha Maharishi&apos;, u&apos;email&apos;: u&apos;esha.maharishi@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22203&quot; title=&quot;remove shardVersion information and usages from BatchedCommandRequest&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22203&quot;&gt;&lt;del&gt;SERVER-22203&lt;/del&gt;&lt;/a&gt; consolidate shardVersion checks to using the OperationShardVersion.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a9bac8cdf15d4b7a8bf6cfd9e9b3e9b7795d4436&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a9bac8cdf15d4b7a8bf6cfd9e9b3e9b7795d4436&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
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                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="266878">SERVER-22771</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="229242">SERVER-20361</issuekey>
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