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            <title>[SERVER-1016] when a key too large for index how does it affect queries</title>
                <link>https://jira.mongodb.org/browse/SERVER-1016</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In one db there are some items that are too large for the index and so they get skipped ... here is a log snippet ...&lt;/p&gt;

&lt;p&gt;Tue Mar 30 16:18:03  future-production.system.indexes Btree::insert: key too large to index, skipping future-production.quotations.$graph_1 1453 { : { rdf: &lt;/p&gt;
{ type: &quot;quotation:quotation&quot; }
&lt;p&gt;, dcterms: &lt;/p&gt;
{ title: null, source: &quot;U.S. Congressional Record&quot; }
&lt;p&gt;, quotation: &lt;/p&gt;
{ said_on: new Date(1173373205000), reporter: &quot;http://pius.me&quot;, organizationSpokenTo: &quot;http://dbpedia.org/page/United_States_Senate&quot;, subject: null, evidence: &quot;http://frwebgate.access.gpo.gov/cgi-bin/getpage.cgi?position=page&amp;amp;page...&quot;, venue: &quot;http://dbpedia.org/page/United_States_Senate&quot;, primary_source: &quot;U.S. Congressional Record&quot;, speaker_bioguide_id: &quot;300047&quot;, body: &quot;I think after a lot of give and take and after a lot of court decision...&quot; }
&lt;p&gt; } }&lt;/p&gt;

&lt;p&gt;When this happens and you query later on that collection that would use the index what does mongodb do?  Does it just omit those documents in the results since they didn&apos;t make it into the index ... or does it skip that index and do scans since it knows it has missing documents?&lt;/p&gt;</description>
                <environment></environment>
        <key id="11777">SERVER-1016</key>
            <summary>when a key too large for index how does it affect queries</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</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="eliot">Eliot Horowitz</assignee>
                                    <reporter username="benwyrosdick">Ben Wyrosdick</reporter>
                        <labels>
                    </labels>
                <created>Tue, 13 Apr 2010 17:38:53 +0000</created>
                <updated>Mon, 24 Jun 2013 13:38:46 +0000</updated>
                            <resolved>Tue, 13 Apr 2010 21:28:22 +0000</resolved>
                                    <version>1.4.0</version>
                                                    <component>Index Maintenance</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="13618" author="eliot" created="Tue, 13 Apr 2010 21:28:22 +0000"  >&lt;p&gt;the object won&apos;t appear in queries that use that index.&lt;/p&gt;</comment>
                            <comment id="13609" author="benwyrosdick" created="Tue, 13 Apr 2010 17:46:07 +0000"  >&lt;p&gt;Sorry ... didn&apos;t mean to make it major .. it is just a minor priority&lt;/p&gt;</comment>
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