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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-55652] dbStats command can fail if an index is bulk loading</title>
                <link>https://jira.mongodb.org/browse/SERVER-55652</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Part of the dbStats command is to collect index sizes, which attempts to open a statistics cursor on every index table.  This can fail if an index table happens to be locked with a bulk-index-load cursor.&lt;/p&gt;

&lt;p&gt;Note that we should probably audit all places that iterate through indexes like this and ensure all of them are prepared for such an error to be returned from a statistics cursor (simply skipping over such indexes sounds reasonable).&lt;/p&gt;</description>
                <environment></environment>
        <key id="1665215">SERVER-55652</key>
            <summary>dbStats command can fail if an index is bulk loading</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="13201">Fixed</resolution>
                                        <assignee username="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="milkie@mongodb.com">Eric Milkie</reporter>
                        <labels>
                    </labels>
                <created>Tue, 30 Mar 2021 18:27:23 +0000</created>
                <updated>Sun, 29 Oct 2023 21:55:35 +0000</updated>
                            <resolved>Mon, 16 Aug 2021 10:23:04 +0000</resolved>
                                                    <fixVersion>5.1.0-rc0</fixVersion>
                                    <component>Catalog</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="4108220" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 19:00:31 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="3999972" author="xgen-internal-githook" created="Sat, 14 Aug 2021 10:44:07 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-55652&quot; title=&quot;dbStats command can fail if an index is bulk loading&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-55652&quot;&gt;&lt;del&gt;SERVER-55652&lt;/del&gt;&lt;/a&gt; use non-transactional WT session to get index stats for dbStats command&lt;/p&gt;

&lt;p&gt;This makes WiredTigerIndex::getFreeStorageBytes() more consistent with&lt;br/&gt;
WiredTigerRecordStore::freeStorageSize() in how it obtains a session&lt;br/&gt;
for querying WT statistics.&lt;/p&gt;

&lt;p&gt;See commits 989d23805572e6db103b64f3de76ffa7359a00cd and d368f071651856039f2637202c122b1a55a44142.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/dcfb71ae6c7e0f5b2809a4e04bb534a1d6b0ce12&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/dcfb71ae6c7e0f5b2809a4e04bb534a1d6b0ce12&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3999350" author="xgen-internal-githook" created="Fri, 13 Aug 2021 13:32:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-55652&quot; title=&quot;dbStats command can fail if an index is bulk loading&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-55652&quot;&gt;&lt;del&gt;SERVER-55652&lt;/del&gt;&lt;/a&gt; add statistics key to WiredTigerUtil::getStatisticsValue() cursor not found error message&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6a02cea7879c8b7a6963b5a88afa711717ef8f00&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6a02cea7879c8b7a6963b5a88afa711717ef8f00&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="486835">SERVER-32876</issuekey>
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            <issuekey id="831457">SERVER-42037</issuekey>
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                            <customfieldvalue>&lt;p&gt;1. Add a pause to the WiredTigerIndex::BulkBuilder::openBulkCursor after a cursor has been successfully opened.&lt;br/&gt;
2. Run mongod and build an index; observe the index build hanging.&lt;br/&gt;
3. In another connected shell, attempt to run dbStats on the db containing the collection with the index being built.  Result:&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;
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