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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-26755] Collection chunk loading is aborted entirely if fetching all the chunks takes more than 30 seconds</title>
                <link>https://jira.mongodb.org/browse/SERVER-26755</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The collection chunk loading code uses the &lt;tt&gt;_exhaustiveFindOnConfig&lt;/tt&gt; call, which applies 30 seconds of timeout to the entire fetch (not just the individual getMore invocations).&lt;/p&gt;

&lt;p&gt;If there is a large number of chunks and the config server fetches take more than 30 seconds in total, the initial chunk loading will never succeed, because each attempt will fail with &lt;tt&gt;ExceededTimeLimit&lt;/tt&gt; and will throw out whatever data was partially loaded on the previous attempt, thus effectively starting from the beginning.&lt;/p&gt;</description>
                <environment></environment>
        <key id="326482">SERVER-26755</key>
            <summary>Collection chunk loading is aborted entirely if fetching all the chunks takes more than 30 seconds</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="cheahuychou.mao@mongodb.com">Cheahuychou Mao</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Mon, 24 Oct 2016 21:04:24 +0000</created>
                <updated>Thu, 3 Feb 2022 19:56:37 +0000</updated>
                            <resolved>Tue, 19 May 2020 20:16:32 +0000</resolved>
                                    <version>3.6.17</version>
                    <version>4.2.4</version>
                    <version>4.0.17</version>
                                    <fixVersion>4.7.0</fixVersion>
                    <fixVersion>4.2.19</fixVersion>
                    <fixVersion>4.0.29</fixVersion>
                    <fixVersion>4.4.13</fixVersion>
                                    <component>Sharding</component>
                                        <votes>1</votes>
                                    <watches>9</watches>
                                                                                                                <comments>
                            <comment id="4334189" author="xgen-internal-githook" created="Thu, 3 Feb 2022 19:20:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-26755&quot; title=&quot;Collection chunk loading is aborted entirely if fetching all the chunks takes more than 30 seconds&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-26755&quot;&gt;&lt;del&gt;SERVER-26755&lt;/del&gt;&lt;/a&gt; Increase the timeout for find operations against config.chunks&lt;/p&gt;

&lt;p&gt;(cherry picked from commit fa03802cb9b42818dd2180f966dd8da64203186a)&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3f62170f634d76afd82597b512f0e1ac1656d3ae&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3f62170f634d76afd82597b512f0e1ac1656d3ae&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4334172" author="xgen-internal-githook" created="Thu, 3 Feb 2022 19:15:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-26755&quot; title=&quot;Collection chunk loading is aborted entirely if fetching all the chunks takes more than 30 seconds&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-26755&quot;&gt;&lt;del&gt;SERVER-26755&lt;/del&gt;&lt;/a&gt; Increase the timeout for find operations against config.chunks&lt;/p&gt;

&lt;p&gt;(cherry picked from commit fa03802cb9b42818dd2180f966dd8da64203186a)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d7ecec38af5b1b63603519cc4d36fc0532d192e1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d7ecec38af5b1b63603519cc4d36fc0532d192e1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4334149" author="xgen-internal-githook" created="Thu, 3 Feb 2022 19:08:59 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-26755&quot; title=&quot;Collection chunk loading is aborted entirely if fetching all the chunks takes more than 30 seconds&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-26755&quot;&gt;&lt;del&gt;SERVER-26755&lt;/del&gt;&lt;/a&gt; Increase the timeout for find operations against config.chunks&lt;/p&gt;

&lt;p&gt;(cherry picked from commit fa03802cb9b42818dd2180f966dd8da64203186a)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/32d791e2c466ad480b47b050dc0016018775473b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/32d791e2c466ad480b47b050dc0016018775473b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3095974" author="chou.mao" created="Tue, 19 May 2020 20:14:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;

{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}

&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-26755&quot; title=&quot;Collection chunk loading is aborted entirely if fetching all the chunks takes more than 30 seconds&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-26755&quot;&gt;&lt;del&gt;SERVER-26755&lt;/del&gt;&lt;/a&gt; Increase the timeout for find operations against config.chunks&lt;/p&gt;

&lt;p&gt;Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fa03802cb9b42818dd2180f966dd8da64203186a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fa03802cb9b42818dd2180f966dd8da64203186a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2984669" author="mingyan.zc@gmail.com" created="Wed, 18 Mar 2020 07:42:00 +0000"  >&lt;p&gt;Hi, we are experiencing this issue with a sharded collection which has more than 20,000,000 chunks in 3.4.6(and 4.0.13). It seems this issue still exists and is not duplicated with &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22611&quot; title=&quot;ChunkManager refresh can occasionally cause a full reload&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22611&quot;&gt;&lt;del&gt;SERVER-22611&lt;/del&gt;&lt;/a&gt;. Would you reopen this issue?&lt;/p&gt;

&lt;p&gt;Thanks.&lt;/p&gt;</comment>
                    </comments>
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