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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>
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<item>
            <title>[DOCS-12912] Investigate changes in SERVER-36186: Ignore value of oplogReplay find command option</title>
                <link>https://jira.mongodb.org/browse/DOCS-12912</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;h2&gt;&lt;a name=&quot;Description&quot;&gt;&lt;/a&gt;Description&lt;/h2&gt;
&lt;p&gt;SERVER ticket description: The &lt;tt&gt;oplogReplay&lt;/tt&gt; option to the find command (and &lt;tt&gt;oplogReplay&lt;/tt&gt; bit in the legacy OP_QUERY find protocol) currently must be set by the client in order to enable an optimized code path for queries looking for a particular range of &lt;tt&gt;ts&lt;/tt&gt; values in the oplog. See &lt;a href=&quot;https://github.com/mongodb/mongo/blob/960fca37a78040d75d87f8049ef4c4a6227506cc/src/mongo/db/query/get_executor.cpp#L570&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;getOplogStartHack()&lt;/a&gt; in get_executor.cpp.&lt;/p&gt;

&lt;p&gt;Instead of requiring clients to explicitly enable this optimization, the query system should automatically optimize such queries, whether or not &lt;tt&gt;oplogReplay&lt;/tt&gt; is set. This should allow us to mark the &lt;tt&gt;oplogReplay&lt;/tt&gt; option as deprecated. The implementation can change to accept &lt;tt&gt;oplogReplay&lt;/tt&gt; but entirely ignore its true/false value.&lt;br/&gt;
Change Description: The oplogReplay flag is now deprecated. Please update &lt;a href=&quot;https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query&lt;/a&gt; to mark the oplogReplay OP_QUERY wire protocol flag to reflect this.&lt;/p&gt;

&lt;p&gt;Any application which sets this flag can safely remove it when communicating with a 4.4 server. The flag is still needed to optimize oplog queries when communicating with a 4.2 or older server.&lt;/p&gt;

&lt;h2&gt;&lt;a name=&quot;Scopeofchanges&quot;&gt;&lt;/a&gt;Scope of changes&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;ImpacttoOtherDocs&quot;&gt;&lt;/a&gt;Impact to Other Docs&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;MVP%28WorkandDate%29&quot;&gt;&lt;/a&gt;MVP (Work and Date)&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;Resources%28ScopeorDesignDocs%2CInvision%2Cetc.%29&quot;&gt;&lt;/a&gt;Resources (Scope or Design Docs, Invision, etc.)&lt;/h2&gt;
</description>
                <environment></environment>
        <key id="874129">DOCS-12912</key>
            <summary>Investigate changes in SERVER-36186: Ignore value of oplogReplay find command option</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="kanchana.sekhar@mongodb.com">Kanchana Sekhar</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Wed, 24 Jul 2019 14:17:07 +0000</created>
                <updated>Mon, 13 Nov 2023 18:18:27 +0000</updated>
                            <resolved>Fri, 10 Jul 2020 14:14:59 +0000</resolved>
                                                    <fixVersion>4.3.1</fixVersion>
                    <fixVersion>Server_Docs_20231030</fixVersion>
                    <fixVersion>Server_Docs_20231106</fixVersion>
                    <fixVersion>Server_Docs_20231105</fixVersion>
                    <fixVersion>Server_Docs_20231113</fixVersion>
                                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3279443" author="xgen-internal-githook" created="Fri, 10 Jul 2020 14:13:28 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kanchana Sekhar&apos;, &apos;email&apos;: &apos;kanchana.sekhar@mongodb.com&apos;, &apos;username&apos;: &apos;kanchana-mongodb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-12912&quot; title=&quot;Investigate changes in SERVER-36186: Ignore value of oplogReplay find command option&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-12912&quot;&gt;&lt;del&gt;DOCS-12912&lt;/del&gt;&lt;/a&gt; Ignore value of oplogReplay option&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/d3a255f0dca1d0d9a79ed4fdca3262fe33be8d5e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/d3a255f0dca1d0d9a79ed4fdca3262fe33be8d5e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3229160" author="kanchana.sekhar" created="Mon, 29 Jun 2020 22:07:16 +0000"  >&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://mongodbcr.appspot.com/614920001/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;CR&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
</comment>
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