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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-53108] Fix OperationContext lifetime management in ReshardingOplogApplier and use batchSize &gt; 1</title>
                <link>https://jira.mongodb.org/browse/SERVER-53108</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;It is possible for the future returned by ReshardingDonorOplogIterator::getNext() to only become ready after &lt;tt&gt;opCtx&lt;/tt&gt; would have been destructed. This won&apos;t happen while &lt;a href=&quot;https://github.com/mongodb/mongo/blob/e3d04ce25575e13a4cd9f87f589f51425d0cf49b/src/mongo/db/s/resharding/resharding_donor_oplog_iterator.cpp#L109-L111&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ReshardingDonorOplogIterator::_waitForNewOplog() always returns an immediately ready future&lt;/a&gt;, but would become an issue as soon as the returned future wasn&apos;t immediately ready. It isn&apos;t practical for ReshardingDonorOplogIterator::_waitForNewOplog() to always return an immediately ready future because the donor iterator may reached the end of the oplog buffer and need to wait for an insert notification from the ReshardingOplogFetcher.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1554557">SERVER-53108</key>
            <summary>Fix OperationContext lifetime management in ReshardingOplogApplier and use batchSize &gt; 1</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="max.hirschhorn@mongodb.com">Max Hirschhorn</assignee>
                                    <reporter username="max.hirschhorn@mongodb.com">Max Hirschhorn</reporter>
                        <labels>
                            <label>PM-234-M2</label>
                            <label>PM-234-T-oplog-apply</label>
                    </labels>
                <created>Mon, 30 Nov 2020 13:17:47 +0000</created>
                <updated>Sun, 29 Oct 2023 21:59:57 +0000</updated>
                            <resolved>Thu, 24 Dec 2020 12:56:06 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3541857" author="max.hirschhorn@10gen.com" created="Thu, 24 Dec 2020 12:53:28 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Max Hirschhorn&apos;, &apos;email&apos;: &apos;max.hirschhorn@mongodb.com&apos;, &apos;username&apos;: &apos;visemet&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-53108&quot; title=&quot;Fix OperationContext lifetime management in ReshardingOplogApplier and use batchSize &amp;gt; 1&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-53108&quot;&gt;&lt;del&gt;SERVER-53108&lt;/del&gt;&lt;/a&gt; Move batching logic into ReshardingDonorOplogIterator.&lt;/p&gt;

&lt;p&gt;Raises the default value of the reshardingBatchLimitOperations server&lt;br/&gt;
parameter to 5,000 oplog entries to match that of the&lt;br/&gt;
replBatchLimitOperations server parameter.&lt;/p&gt;

&lt;p&gt;Also introduces a reshardingBatchLimitBytes server parameter.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/21418579095fa5ff44a851c2feb62ea4773ac3a6&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/21418579095fa5ff44a851c2feb62ea4773ac3a6&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1578320">SERVER-53538</issuekey>
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