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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-61177] Create GDB command to dump WiredTiger system info</title>
                <link>https://jira.mongodb.org/browse/SERVER-61177</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We introduced a GDB command in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45556&quot; title=&quot;Create GDB pretty printer to dump all active RecoveryUnits&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45556&quot;&gt;&lt;del&gt;SERVER-45556&lt;/del&gt;&lt;/a&gt; to dump all active RecoveryUnits. This is useful when diagnosing from the MDB perspective and we use this in our hang analysis tools to debug test timeouts in our CI system.&lt;/p&gt;

&lt;p&gt;To supplement this information, It would be useful to have diagnostic output from the WiredTiger point of view, specifically debug information provided by the &lt;a href=&quot;https://github.com/mongodb/mongo/commit/2730bd049022954bc7cd43392be20e6d54cf330d#diff-93e097ded82bdd95211d4ee7d606a2906c6770b0758b94336b8013dc837e3b7fR1216&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;WT_CONNECTION::debug_info()&lt;/a&gt;&#160;function introduced in &lt;a href=&quot;https://jira.mongodb.org/browse/WT-3529&quot; title=&quot;Add undocumented debug API&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-3529&quot;&gt;&lt;del&gt;WT-3529&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;A similar request was previously made in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-52956&quot; title=&quot;Add storage debug method to dump system-wide RecoveryUnit/transaction state&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-52956&quot;&gt;&lt;del&gt;SERVER-52956&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;&lt;em&gt;Note: this ticket also added an &quot;includeStorageEngineDump&quot; option to the &quot;lockInfo&quot; command to print the WT debug_info to the logs.&lt;/em&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1915045">SERVER-61177</key>
            <summary>Create GDB command to dump WiredTiger system info</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="benety.goh@mongodb.com">Benety Goh</reporter>
                        <labels>
                    </labels>
                <created>Mon, 1 Nov 2021 22:01:22 +0000</created>
                <updated>Sun, 29 Oct 2023 21:46:35 +0000</updated>
                            <resolved>Thu, 4 Nov 2021 11:03:35 +0000</resolved>
                                                    <fixVersion>5.2.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4167609" author="xgen-internal-githook" created="Wed, 3 Nov 2021 18:11:34 +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-61177&quot; title=&quot;Create GDB command to dump WiredTiger system info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61177&quot;&gt;&lt;del&gt;SERVER-61177&lt;/del&gt;&lt;/a&gt; implement WiredTigerKVEngine::dump() in terms of WT_CONNECTION::debug_info()&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3d10a2a64311193ad0af8ba03333c41e60a595de&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3d10a2a64311193ad0af8ba03333c41e60a595de&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4167452" author="xgen-internal-githook" created="Wed, 3 Nov 2021 17:16:18 +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-61177&quot; title=&quot;Create GDB command to dump WiredTiger system info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61177&quot;&gt;&lt;del&gt;SERVER-61177&lt;/del&gt;&lt;/a&gt; Create GDB command to dump storage engine info&lt;/p&gt;

&lt;p&gt;This also adds the new command to the hang analyzer script.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9cdf162eaf214810eaa7bcd65d60c61401d368e5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9cdf162eaf214810eaa7bcd65d60c61401d368e5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4167266" author="xgen-internal-githook" created="Wed, 3 Nov 2021 16:19:19 +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-61177&quot; title=&quot;Create GDB command to dump WiredTiger system info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61177&quot;&gt;&lt;del&gt;SERVER-61177&lt;/del&gt;&lt;/a&gt; lockInfo supports dumping storage engine state&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4c3e8db887d934a506b26d6050164eb1eb04dd97&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4c3e8db887d934a506b26d6050164eb1eb04dd97&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4166999" author="xgen-internal-githook" created="Wed, 3 Nov 2021 15:10:05 +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-61177&quot; title=&quot;Create GDB command to dump WiredTiger system info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61177&quot;&gt;&lt;del&gt;SERVER-61177&lt;/del&gt;&lt;/a&gt; add KVEngine::dump() and StorageEngine::dump()&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e28293624165173a0886b7713e5b0c39ef662966&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e28293624165173a0886b7713e5b0c39ef662966&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="1917160">SERVER-61211</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="1547107">SERVER-52956</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="418546">WT-3529</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="1089932">SERVER-45556</issuekey>
        </issuelink>
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