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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-2506] reduce group commit latency</title>
                <link>https://jira.mongodb.org/browse/SERVER-2506</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;several details to figure out.  first some locking improvements, then need to assure don&apos;t use too much disk time solely on commits.&lt;/p&gt;</description>
                <environment></environment>
        <key id="14612">SERVER-2506</key>
            <summary>reduce group commit latency</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="9">Done</resolution>
                                        <assignee username="dwight@mongodb.com">Dwight Merriman</assignee>
                                    <reporter username="dwight@mongodb.com">Dwight Merriman</reporter>
                        <labels>
                    </labels>
                <created>Wed, 9 Feb 2011 14:10:27 +0000</created>
                <updated>Tue, 12 Jul 2016 00:20:38 +0000</updated>
                            <resolved>Wed, 10 Aug 2011 10:54:00 +0000</resolved>
                                                    <fixVersion>1.9.2</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="49668" author="auto" created="Sat, 20 Aug 2011 00:11:15 +0000"  >&lt;p&gt;@tony - hopefully fixed now take a look&lt;/p&gt;

&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;dwight&apos;, u&apos;name&apos;: u&apos;dwight&apos;, u&apos;email&apos;: u&apos;dwight@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2506&quot; title=&quot;reduce group commit latency&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2506&quot;&gt;&lt;del&gt;SERVER-2506&lt;/del&gt;&lt;/a&gt; wasnt looping quite enough on journal commit checks&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/dfd532e631e1021af3b92e69ad83ce7cdec6e62e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/dfd532e631e1021af3b92e69ad83ce7cdec6e62e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="49471" author="tonyh" created="Fri, 19 Aug 2011 14:11:43 +0000"  >&lt;p&gt;journalCommitInterval has been added to the docs. Also a small mention of faster commit when j:1 pending.&lt;/p&gt;</comment>
                            <comment id="49465" author="tonyh" created="Fri, 19 Aug 2011 13:42:29 +0000"  >&lt;p&gt;@dwight, in db/dur.ccp line 717, the journalCommitInterval is broken into thirds but the loop only iterates twice resulting in a total delay of 2/3 of journalCommitInterval. Is this intended?&lt;/p&gt;</comment>
                            <comment id="47688" author="dwight_10gen" created="Wed, 10 Aug 2011 10:55:27 +0000"  >&lt;p&gt;todo: document&lt;/p&gt;</comment>
                            <comment id="47687" author="auto" created="Wed, 10 Aug 2011 10:55:01 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;dwight&apos;, u&apos;name&apos;: u&apos;dwight&apos;, u&apos;email&apos;: u&apos;dwight@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2506&quot; title=&quot;reduce group commit latency&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2506&quot;&gt;&lt;del&gt;SERVER-2506&lt;/del&gt;&lt;/a&gt; journal faster if a j:1 pending&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fcf1abff4017a9dc5652cdf6b0753d7609dbc096&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fcf1abff4017a9dc5652cdf6b0753d7609dbc096&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="47003" author="auto" created="Mon, 8 Aug 2011 13:16:10 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;dwight&apos;, u&apos;name&apos;: u&apos;dwight&apos;, u&apos;email&apos;: u&apos;dwight@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2506&quot; title=&quot;reduce group commit latency&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2506&quot;&gt;&lt;del&gt;SERVER-2506&lt;/del&gt;&lt;/a&gt; configurable journal batch commit time&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/345793af4d3bd6b245bad444f5f2e46d6675d2e3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/345793af4d3bd6b245bad444f5f2e46d6675d2e3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="42826" author="dwight_10gen" created="Mon, 18 Jul 2011 16:10:50 +0000"  >&lt;p&gt;works but need to make it be smart about how often to commit&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="14396">SERVER-2464</issuekey>
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