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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-41464] setInitialSyncFlag and clearInitialSyncFlag dbtests should not call waitUntilDurable() with lock held</title>
                <link>https://jira.mongodb.org/browse/SERVER-41464</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;setInitialSyncFlag and clearInitialSyncFlag both write a document and then call waitUntilDurable(). We hold a lock while calling these functions because a document write requires a lock. However, callers of waitUntilDurable() should not hold locks since significant I/O work may be done. &lt;/p&gt;

&lt;p&gt;We wish to add an invariant to waitUntilDurable() against callers with locks in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39591&quot; title=&quot;RecoveryUnit::waitUntilDurable() should invariant against callers holding locks&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39591&quot;&gt;&lt;del&gt;SERVER-39591&lt;/del&gt;&lt;/a&gt;. This task is a blocker.&lt;/p&gt;</description>
                <environment></environment>
        <key id="787607">SERVER-41464</key>
            <summary>setInitialSyncFlag and clearInitialSyncFlag dbtests should not call waitUntilDurable() with lock held</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="gregory.wlodarek@mongodb.com">Gregory Wlodarek</assignee>
                                    <reporter username="dianna.hohensee@mongodb.com">Dianna Hohensee</reporter>
                        <labels>
                            <label>former-quick-wins</label>
                    </labels>
                <created>Mon, 3 Jun 2019 17:56:25 +0000</created>
                <updated>Sun, 29 Oct 2023 22:20:27 +0000</updated>
                            <resolved>Fri, 25 Oct 2019 21:34:46 +0000</resolved>
                                                    <fixVersion>4.3.1</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="2501834" author="xgen-internal-githook" created="Fri, 25 Oct 2019 21:31:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;GWlodarek&apos;, &apos;email&apos;: &apos;gregory.wlodarek@mongodb.com&apos;, &apos;name&apos;: &apos;Gregory Wlodarek&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-41464&quot; title=&quot;setInitialSyncFlag and clearInitialSyncFlag dbtests should not call waitUntilDurable() with lock held&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-41464&quot;&gt;&lt;del&gt;SERVER-41464&lt;/del&gt;&lt;/a&gt; setInitialSyncFlag() and clearInitialSyncFlag() should not be called while holding locks in StorageTimestampTests&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ea85dc042b53aff72b2566ba9bdd0bf6c83f561b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ea85dc042b53aff72b2566ba9bdd0bf6c83f561b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2278349" author="siyuan.zhou@10gen.com" created="Mon, 10 Jun 2019 19:39:33 +0000"  >&lt;p&gt;The only violation is in dbtests, where &lt;a href=&quot;https://github.com/mongodb/mongo/blob/c36f9ecb91e49da7e637863889804fc4e6c6c05e/src/mongo/dbtests/storage_timestamp_tests.cpp#L1651&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;the collection lock is acquired&lt;/a&gt; for the whole duration of the tests. Since the collection is only used by the check in &lt;tt&gt;assertMinValidDocumentAtTimestamp&lt;/tt&gt;, it&apos;s better to acquire the lock in &lt;tt&gt;assertMinValidDocumentAtTimestamp&lt;/tt&gt;. We can schedule this in Quick Wins. If storage team think this is urgent and wants to take this over, feel free do so since it&apos;s pretty straightforward.&lt;/p&gt;</comment>
                            <comment id="2278274" author="siyuan.zhou@10gen.com" created="Mon, 10 Jun 2019 19:07:21 +0000"  >&lt;p&gt;Both setInitialSyncFlag() and clearInitialSyncFlag() acquire and release locks before calling waitUntilDurable(). As we discussed offline, the stack trace where the newly added invariant failed in the patch build will be helpful to understand where the lock is held unexpectedly, maybe at higher levels.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="697915">SERVER-39591</issuekey>
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