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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-5475] use chunk diffs instead of full chunk data reload in mongod and mongos</title>
                <link>https://jira.mongodb.org/browse/SERVER-5475</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;At least in the short term, we&apos;ll also need to get the max-version-per-shard, but this can be done as an or query with # of clauses = # of shards + 1.  Ideally shard versioning would be totally transparent to splits, but not quite the case now (we need to totally ignore minor version in mongod and mongos except when performing splits).&lt;/p&gt;</description>
                <environment></environment>
        <key id="35273">SERVER-5475</key>
            <summary>use chunk diffs instead of full chunk data reload in mongod and mongos</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="9">Done</resolution>
                                        <assignee username="greg_10gen">Greg Studer</assignee>
                                    <reporter username="greg_10gen">Greg Studer</reporter>
                        <labels>
                    </labels>
                <created>Mon, 2 Apr 2012 16:05:58 +0000</created>
                <updated>Mon, 11 Jul 2016 18:35:30 +0000</updated>
                            <resolved>Tue, 22 May 2012 20:59:40 +0000</resolved>
                                                    <fixVersion>2.1.2</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="144097" author="auto" created="Tue, 17 Jul 2012 16:48:32 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2012-07-16T16:33:07-07:00&apos;, u&apos;email&apos;: u&apos;greg@10gen.com&apos;, u&apos;name&apos;: u&apos;Greg Studer&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5475&quot; title=&quot;use chunk diffs instead of full chunk data reload in mongod and mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5475&quot;&gt;&lt;del&gt;SERVER-5475&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6249&quot; title=&quot;sort1.js failed in debug testing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6249&quot;&gt;&lt;del&gt;SERVER-6249&lt;/del&gt;&lt;/a&gt; don&apos;t check minor version when determining if a query can continue&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/957ef41666ef45076f779f36d6bef7ed8dd08405&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/957ef41666ef45076f779f36d6bef7ed8dd08405&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="117624" author="auto" created="Wed, 9 May 2012 12:48:32 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;gregstuder&apos;, u&apos;name&apos;: u&apos;Greg Studer&apos;, u&apos;email&apos;: u&apos;greg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5475&quot; title=&quot;use chunk diffs instead of full chunk data reload in mongod and mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5475&quot;&gt;&lt;del&gt;SERVER-5475&lt;/del&gt;&lt;/a&gt; out-parameter should be a ref&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/abbd41d2ea694f1e708ff86be7c70f1d5139c584&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/abbd41d2ea694f1e708ff86be7c70f1d5139c584&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="116436" author="auto" created="Fri, 4 May 2012 19:13:04 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;gregstuder&apos;, u&apos;name&apos;: u&apos;Greg Studer&apos;, u&apos;email&apos;: u&apos;greg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5475&quot; title=&quot;use chunk diffs instead of full chunk data reload in mongod and mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5475&quot;&gt;&lt;del&gt;SERVER-5475&lt;/del&gt;&lt;/a&gt; error code collision&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/659fdc26b676bba513762b78c4526b6bb848e4ad&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/659fdc26b676bba513762b78c4526b6bb848e4ad&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="116433" author="auto" created="Fri, 4 May 2012 19:05:50 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;gregstuder&apos;, u&apos;name&apos;: u&apos;Greg Studer&apos;, u&apos;email&apos;: u&apos;greg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5475&quot; title=&quot;use chunk diffs instead of full chunk data reload in mongod and mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5475&quot;&gt;&lt;del&gt;SERVER-5475&lt;/del&gt;&lt;/a&gt; merge split heuristics together into a mutable struct&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d61dfb6f36488d50236ba28a37a9c68326f6e46b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d61dfb6f36488d50236ba28a37a9c68326f6e46b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="116432" author="auto" created="Fri, 4 May 2012 19:05:48 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;gregstuder&apos;, u&apos;name&apos;: u&apos;Greg Studer&apos;, u&apos;email&apos;: u&apos;greg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5475&quot; title=&quot;use chunk diffs instead of full chunk data reload in mongod and mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5475&quot;&gt;&lt;del&gt;SERVER-5475&lt;/del&gt;&lt;/a&gt; format comments to 100 char lines from 120 char&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8871fb9e2fdb6845814177d39dbe62f8e142d488&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8871fb9e2fdb6845814177d39dbe62f8e142d488&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="116431" author="auto" created="Fri, 4 May 2012 19:05:46 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;gregstuder&apos;, u&apos;name&apos;: u&apos;gregs&apos;, u&apos;email&apos;: u&apos;greg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5475&quot; title=&quot;use chunk diffs instead of full chunk data reload in mongod and mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5475&quot;&gt;&lt;del&gt;SERVER-5475&lt;/del&gt;&lt;/a&gt; mark stale config exceptions from splits (minor version mismatches) for eventual reload&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3e696b2c0d35167007ec443d80467bd54e1f6906&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3e696b2c0d35167007ec443d80467bd54e1f6906&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="116430" author="auto" created="Fri, 4 May 2012 19:05:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;gregstuder&apos;, u&apos;name&apos;: u&apos;gregs&apos;, u&apos;email&apos;: u&apos;greg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5475&quot; title=&quot;use chunk diffs instead of full chunk data reload in mongod and mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5475&quot;&gt;&lt;del&gt;SERVER-5475&lt;/del&gt;&lt;/a&gt; changes for mongod chunk diffs on config reload&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fd316dab6fdf5387c3195e2d10226d872e35854c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fd316dab6fdf5387c3195e2d10226d872e35854c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="116429" author="auto" created="Fri, 4 May 2012 19:05:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;gregstuder&apos;, u&apos;name&apos;: u&apos;gregs&apos;, u&apos;email&apos;: u&apos;greg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5475&quot; title=&quot;use chunk diffs instead of full chunk data reload in mongod and mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5475&quot;&gt;&lt;del&gt;SERVER-5475&lt;/del&gt;&lt;/a&gt; changes for mongos chunk diffs on config reload&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/124323ab756f950700ead71821fe6337cefc2762&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/124323ab756f950700ead71821fe6337cefc2762&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="114837" author="greg_10gen" created="Mon, 30 Apr 2012 14:45:48 +0000"  >&lt;p&gt;v2 : &lt;a href=&quot;http://codereview.10gen.com/7799037/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://codereview.10gen.com/7799037/&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="109359" author="greg_10gen" created="Thu, 12 Apr 2012 23:11:28 +0000"  >&lt;p&gt;&lt;a href=&quot;http://codereview.10gen.com/7680159/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://codereview.10gen.com/7680159/&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="12291">SERVER-1326</issuekey>
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