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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>[SERVER-34897] Introduce parameter to control whether MongoS should automatically retry failed `find` commands</title>
                <link>https://jira.mongodb.org/browse/SERVER-34897</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently MongoS unconditionally retries &lt;tt&gt;find&lt;/tt&gt; commands on network and replica set errors. While this behaviour helps increase availability, there is risk where a storm of poorly constructed and heavy to execute &lt;tt&gt;find&lt;/tt&gt; commands, which get retried could bring down a node of a replica set.&lt;/p&gt;

&lt;p&gt;This ticket is to consider adding a MongoS boolean parameter, which allows customers to opt out of the retry behaviour.&lt;/p&gt;</description>
                <environment></environment>
        <key id="541078">SERVER-34897</key>
            <summary>Introduce parameter to control whether MongoS should automatically retry failed `find` commands</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="kevin.pulo@mongodb.com">Kevin Pulo</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Tue, 8 May 2018 19:33:00 +0000</created>
                <updated>Sun, 29 Oct 2023 22:31:58 +0000</updated>
                            <resolved>Wed, 11 Jul 2018 02:20:42 +0000</resolved>
                                                    <fixVersion>3.4.17</fixVersion>
                    <fixVersion>3.6.7</fixVersion>
                    <fixVersion>4.0.1</fixVersion>
                    <fixVersion>4.1.1</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>13</watches>
                                                                                                                <comments>
                            <comment id="1943918" author="xgen-internal-githook" created="Wed, 11 Jul 2018 03:31:03 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;devkev&apos;, &apos;name&apos;: &apos;Kevin Pulo&apos;, &apos;email&apos;: &apos;kevin.pulo@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34897&quot; title=&quot;Introduce parameter to control whether MongoS should automatically retry failed `find` commands&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34897&quot;&gt;&lt;del&gt;SERVER-34897&lt;/del&gt;&lt;/a&gt; load() for atomic bool&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9b2b2510b5a2984cf2a55a1127449b34ae4a401a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9b2b2510b5a2984cf2a55a1127449b34ae4a401a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1943872" author="xgen-internal-githook" created="Wed, 11 Jul 2018 02:19:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;devkev&apos;, &apos;name&apos;: &apos;Kevin Pulo&apos;, &apos;email&apos;: &apos;kevin.pulo@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34897&quot; title=&quot;Introduce parameter to control whether MongoS should automatically retry failed `find` commands&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34897&quot;&gt;&lt;del&gt;SERVER-34897&lt;/del&gt;&lt;/a&gt; add parameter to prohibit mongos retries&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 80c7c825a44cf99b17e81f4233445c7ab1927706)&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9a7cb2f9d5146d1a0c0ff4cbbd21798feb30a737&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9a7cb2f9d5146d1a0c0ff4cbbd21798feb30a737&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1943870" author="xgen-internal-githook" created="Wed, 11 Jul 2018 02:18:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;devkev&apos;, &apos;name&apos;: &apos;Kevin Pulo&apos;, &apos;email&apos;: &apos;kevin.pulo@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34897&quot; title=&quot;Introduce parameter to control whether MongoS should automatically retry failed `find` commands&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34897&quot;&gt;&lt;del&gt;SERVER-34897&lt;/del&gt;&lt;/a&gt; add parameter to prohibit mongos retries&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 80c7c825a44cf99b17e81f4233445c7ab1927706)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/774d570bfbd10b943fd1ba872f05bb1509ef7c4b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/774d570bfbd10b943fd1ba872f05bb1509ef7c4b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1943868" author="xgen-internal-githook" created="Wed, 11 Jul 2018 02:17:29 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;devkev&apos;, &apos;name&apos;: &apos;Kevin Pulo&apos;, &apos;email&apos;: &apos;kevin.pulo@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34897&quot; title=&quot;Introduce parameter to control whether MongoS should automatically retry failed `find` commands&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34897&quot;&gt;&lt;del&gt;SERVER-34897&lt;/del&gt;&lt;/a&gt; add parameter to prohibit mongos retries&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 80c7c825a44cf99b17e81f4233445c7ab1927706)&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3346e3cb9609422e4f6ac41b6791e175bdfb5124&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3346e3cb9609422e4f6ac41b6791e175bdfb5124&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1943860" author="xgen-internal-githook" created="Wed, 11 Jul 2018 01:51:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;devkev&apos;, &apos;name&apos;: &apos;Kevin Pulo&apos;, &apos;email&apos;: &apos;kevin.pulo@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34897&quot; title=&quot;Introduce parameter to control whether MongoS should automatically retry failed `find` commands&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34897&quot;&gt;&lt;del&gt;SERVER-34897&lt;/del&gt;&lt;/a&gt; add parameter to prohibit mongos retries&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/80c7c825a44cf99b17e81f4233445c7ab1927706&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/80c7c825a44cf99b17e81f4233445c7ab1927706&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1935645" author="elrevach@microsoft.com" created="Sun, 1 Jul 2018 08:10:37 +0000"  >&lt;p&gt;We like to have a hotFix or workaround as soon as you can&lt;/p&gt;

&lt;p&gt;Thanks&#160;&lt;/p&gt;</comment>
                            <comment id="1935644" author="elrevach@microsoft.com" created="Sun, 1 Jul 2018 08:09:52 +0000"  >&lt;p&gt;Hi&lt;/p&gt;

&lt;p&gt;I would like to raise the severity for this to p2&#160; ,&#160;we have very heavy&#160;load system this behaves increase&#160; timeouts as from our application side we already have such mechanism , so the overall amount of queries send to mongo twice the amount expected&#160; &#160;, in addition ,we many time see bad&#160; &#160;execution plan on the retry query .&lt;/p&gt;</comment>
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            <issuekey id="906994">SERVER-43042</issuekey>
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