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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-48230] fix oplog cursor leak in getEarliest/LatestOplogTimestamp()</title>
                <link>https://jira.mongodb.org/browse/SERVER-48230</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt; WiredTigerRecordStore::getLatestOplogTimestamp() and  WiredTigerRecordStore::getEarliestOplogTimestamp() open a new cursor every time they are called.  This should be switched to using the cached cursor functionality provided in WiredTigerCursor.  &lt;/p&gt;</description>
                <environment></environment>
        <key id="1351945">SERVER-48230</key>
            <summary>fix oplog cursor leak in getEarliest/LatestOplogTimestamp()</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="daniel.gottlieb@mongodb.com">Daniel Gottlieb</assignee>
                                    <reporter username="milkie@mongodb.com">Eric Milkie</reporter>
                        <labels>
                    </labels>
                <created>Thu, 14 May 2020 20:51:42 +0000</created>
                <updated>Sun, 29 Oct 2023 22:08:09 +0000</updated>
                            <resolved>Fri, 15 May 2020 16:36:42 +0000</resolved>
                                                    <fixVersion>4.4.0-rc7</fixVersion>
                    <fixVersion>4.7.0</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="3147253" author="mark.callaghan" created="Fri, 29 May 2020 23:30:32 +0000"  >&lt;p&gt;I can&apos;t reproduce memory leaks in rc7 while I could in rc6 using IO-bound insert benchmark. This is good news.&lt;/p&gt;</comment>
                            <comment id="3090275" author="xgen-internal-githook" created="Fri, 15 May 2020 17:12:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Daniel Gottlieb&apos;, &apos;email&apos;: &apos;daniel.gottlieb@mongodb.com&apos;, &apos;username&apos;: &apos;dgottlieb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48230&quot; title=&quot;fix oplog cursor leak in getEarliest/LatestOplogTimestamp()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48230&quot;&gt;&lt;del&gt;SERVER-48230&lt;/del&gt;&lt;/a&gt;: Release cursor resources for special oplog functions.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 0553eb750667692d25959c3b080156a6117789cf)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/903e5c1fc671614575b54481e67f12219cbb8d74&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/903e5c1fc671614575b54481e67f12219cbb8d74&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3090043" author="xgen-internal-githook" created="Fri, 15 May 2020 15:57:51 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Daniel Gottlieb&apos;, &apos;email&apos;: &apos;daniel.gottlieb@mongodb.com&apos;, &apos;username&apos;: &apos;dgottlieb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48230&quot; title=&quot;fix oplog cursor leak in getEarliest/LatestOplogTimestamp()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48230&quot;&gt;&lt;del&gt;SERVER-48230&lt;/del&gt;&lt;/a&gt;: Release cursor resources for special oplog functions.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0553eb750667692d25959c3b080156a6117789cf&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0553eb750667692d25959c3b080156a6117789cf&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3089033" author="daniel.gottlieb@10gen.com" created="Fri, 15 May 2020 01:32:45 +0000"  >&lt;p&gt;Demonstration of the fix on 1,000 transactions (calls to &lt;tt&gt;getLatestOplogTimestamp&lt;/tt&gt;). Left is pre-fix, right is post-fix: &lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;img src=&quot;https://jira.mongodb.org/secure/attachment/260916/260916_Screen+Shot+2020-05-14+at+9.24.21+PM.png&quot; width=&quot;1000&quot; style=&quot;border: 0px solid black&quot; /&gt;&lt;/span&gt;&lt;/p&gt;</comment>
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