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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-11967] No records exported using mongodump in sharded/replicated set up</title>
                <link>https://jira.mongodb.org/browse/SERVER-11967</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Calling mongodump through mongos results in zero records when it should return the records that are in the database (in this case about 44000). &lt;/p&gt;

&lt;p&gt;Mongos is running on the same hosts as one primary node. Behavior is not consistent though, sometimes it works.&lt;/p&gt;

&lt;p&gt;Command used:&lt;br/&gt;
/opt/mongodb/bin/mongodump -h 127.0.0.1 --port 27018 -d db_production -c collection_views -q &apos;&lt;/p&gt;
{&quot;time_id&quot;:20131203}
&lt;p&gt;&apos;&lt;/p&gt;

&lt;p&gt;Set up has 3 shards, 4 nodes per shard.&lt;/p&gt;

&lt;p&gt;There is a TTL index on this collection:&lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;</description>
                <environment>Linux 3.2.0-53-virtual #81-Ubuntu SMP Thu Aug 22 21:21:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux&lt;br/&gt;
</environment>
        <key id="101217">SERVER-11967</key>
            <summary>No records exported using mongodump in sharded/replicated set up</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="sverch">Shaun Verch</assignee>
                                    <reporter username="machielg">Machiel Groeneveld</reporter>
                        <labels>
                    </labels>
                <created>Thu, 5 Dec 2013 10:19:42 +0000</created>
                <updated>Mon, 11 Jul 2016 17:37:31 +0000</updated>
                            <resolved>Fri, 14 Mar 2014 16:45:47 +0000</resolved>
                                    <version>2.4.5</version>
                                                    <component>Tools</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="516284" author="sverch" created="Fri, 14 Mar 2014 16:45:19 +0000"  >&lt;p&gt;Hi Machiel,&lt;/p&gt;

&lt;p&gt;Thanks for the update.  Closing now, but feel free to reopen if you see this again.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
~Shaun Verch&lt;/p&gt;</comment>
                            <comment id="515942" author="machielg" created="Fri, 14 Mar 2014 06:07:17 +0000"  >&lt;p&gt;It seems to be fixed. We upgraded to 2.4.6 but also replaced some nodes. You can close the issue as far as I&apos;m concerned&lt;/p&gt;</comment>
                            <comment id="515761" author="sverch" created="Thu, 13 Mar 2014 21:59:07 +0000"  >&lt;p&gt;Hi Machiel,&lt;/p&gt;

&lt;p&gt;Are you still seeing this issue?  If so, can you let us know the results of running Richard&apos;s suggestion above?  We haven&apos;t been able to reproduce this issue, so any information you can provide will be helpful.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
~Shaun Verch&lt;/p&gt;</comment>
                            <comment id="471007" author="richard@10gen.com" created="Mon, 16 Dec 2013 03:57:08 +0000"  >&lt;p&gt;Hi Machiel,&lt;/p&gt;

&lt;p&gt;Would you be willing to try running the equivalent mongodump command without the -q option, to distinguish whether this a query routing problem or a query problem?&lt;/p&gt;

&lt;p&gt;If so, please run &lt;/p&gt;

&lt;p/&gt;
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&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;/opt/mongodb/bin/mongodump -h 127.0.0.1 --port 27018 -d db_production -c collection_views&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;p/&gt;

&lt;p&gt;and paste the output from mongodump.&lt;/p&gt;

&lt;p&gt;Thank you,&lt;br/&gt;
Richard&lt;/p&gt;</comment>
                            <comment id="468428" author="machielg" created="Tue, 10 Dec 2013 08:52:57 +0000"  >&lt;p&gt;We are seeing the same behavior on another collection, inconsistent results when using mongodump. This collection doesn&apos;t have a TTL index.&lt;/p&gt;</comment>
                            <comment id="467657" author="machielg" created="Mon, 9 Dec 2013 10:25:18 +0000"  >&lt;p&gt;Mongodb output:&lt;/p&gt;

&lt;p&gt;connected to: 127.0.0.1:27018&lt;/p&gt;

&lt;p&gt;Sat Dec  7 15:08:11.662 DATABASE: db_production         to     dump/db_production&lt;br/&gt;
Sat Dec  7 15:08:11.807         db_production.collection_views to dump/db_production/collection_views.bson&lt;br/&gt;
Sat Dec  7 15:08:11.828                  0 objects&lt;br/&gt;
Sat Dec  7 15:08:11.828         Metadata for db_production.collection_views to dump/db_production/collection_views.metadata.json&lt;/p&gt;

&lt;p&gt;27018 - is a port of mongos running on that machine&lt;/p&gt;

&lt;p&gt;Collection stats:&lt;/p&gt;

&lt;p&gt;db.collection_views.stats()&lt;br/&gt;
{&lt;br/&gt;
  &quot;sharded&quot; : false,&lt;br/&gt;
  &quot;primary&quot; : &quot;rs1&quot;,&lt;br/&gt;
  &quot;ns&quot; : &quot;db_production.collection_views&quot;,&lt;br/&gt;
  &quot;count&quot; : 191830,&lt;br/&gt;
  &quot;size&quot; : 304428704,&lt;br/&gt;
  &quot;avgObjSize&quot; : 1586.9712975029975,&lt;br/&gt;
  &quot;storageSize&quot; : 11451846624,&lt;br/&gt;
  &quot;numExtents&quot; : 26,&lt;br/&gt;
  &quot;nindexes&quot; : 4,&lt;br/&gt;
  &quot;lastExtentSize&quot; : 2146426864,&lt;br/&gt;
  &quot;paddingFactor&quot; : 1,&lt;br/&gt;
  &quot;systemFlags&quot; : 1,&lt;br/&gt;
  &quot;userFlags&quot; : 1,&lt;br/&gt;
  &quot;totalIndexSize&quot; : 39441024,&lt;br/&gt;
  &quot;indexSizes&quot; : &lt;/p&gt;
{
    &quot;_id_&quot; : 9868432,
    &quot;uuid_hash_1&quot; : 16343824,
    &quot;time_id_1&quot; : 7382928,
    &quot;created_at_1&quot; : 5845840
  }
&lt;p&gt;,&lt;br/&gt;
  &quot;ok&quot; : 1&lt;br/&gt;
}&lt;/p&gt;</comment>
                            <comment id="466227" author="eliot" created="Thu, 5 Dec 2013 16:22:17 +0000"  >&lt;p&gt;Can you send the mongodump output and the collection stats please?&lt;/p&gt;</comment>
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