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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-6806] [journal] warning assertion failure a &lt;= 256*1024*1024 src/mongo/util/alignedbuilder.cpp 90 message in secondary servers logs</title>
                <link>https://jira.mongodb.org/browse/SERVER-6806</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We found a log of strange warning messages in mongodb.log files on both of our secondary servers:&lt;/p&gt;

&lt;p&gt;Sat Aug 11 00:18:30 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsHealthPoll&amp;#93;&lt;/span&gt;   warning assertion failure d.size() &amp;lt; 1024 src/mongo/util/concurrency/task.cpp 122&lt;/p&gt;

&lt;p&gt;Tue Aug 14 22:35:52 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsSync&amp;#93;&lt;/span&gt;  local.oplog.rs warning assertion failure _intents.size() &amp;lt; 2000000 src/mongo/db/dur_commitjob.h 101&lt;/p&gt;

&lt;p&gt;Fri Aug 17 17:38:46 &lt;span class=&quot;error&quot;&gt;&amp;#91;rsSync&amp;#93;&lt;/span&gt;  local.oplog.rs warning assertion failure _intents.size() &amp;lt; 2000000 src/mongo/db/dur_commitjob.h 101&lt;/p&gt;

&lt;p&gt;Fri Aug 17 17:38:53 &lt;span class=&quot;error&quot;&gt;&amp;#91;journal&amp;#93;&lt;/span&gt;   warning assertion failure a &amp;lt;= 256*1024*1024 src/mongo/util/alignedbuilder.cpp 90&lt;/p&gt;



&lt;p&gt;Here is a full stack trace from one of such  messages:&lt;/p&gt;

&lt;p&gt;Sat Aug 18 23:21:26 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn17351&amp;#93;&lt;/span&gt; end connection 10.13.34.150:50228 (17 connections now open)&lt;br/&gt;
Sat Aug 18 23:21:26 &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; connection accepted from 10.13.34.150:44379 #17353 (18 connections now open)&lt;br/&gt;
Sat Aug 18 23:21:29 &lt;span class=&quot;error&quot;&gt;&amp;#91;journal&amp;#93;&lt;/span&gt;   warning assertion failure a &amp;lt;= 256*1024*1024 src/mongo/util/alignedbuilder.cpp 90&lt;br/&gt;
0xb400d1 0x68127a 0x792f83 0x6d2635 0x6d2944 0x637bd0 0x6389f9 0x6390a4 0x5f18a9 0x7f6ecec3ed8c 0x7f6ecdfe0c2d&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo15printStackTraceERSo+0x21) &lt;span class=&quot;error&quot;&gt;&amp;#91;0xb400d1&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo9wassertedEPKcS1_j+0x11a) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x68127a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo14AlignedBuilder14growReallocateEj+0x63) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x792f83&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x6d2635&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo3dur13PREPLOGBUFFERERNS0_11JSectHeaderERNS_14AlignedBuilderE+0x214) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x6d2944&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo3dur27groupCommitWithLimitedLocksEv+0xa0) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x637bd0&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x6389f9&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod(_ZN5mongo3dur9durThreadEv+0x364) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x6390a4&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/bin/mongod() &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5f18a9&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib/x86_64-linux-gnu/libpthread.so.0(+0x6d8c) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7f6ecec3ed8c&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x7f6ecdfe0c2d&amp;#93;&lt;/span&gt;&lt;br/&gt;
Sat Aug 18 23:21:31 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn17352&amp;#93;&lt;/span&gt; end connection 10.8.233.42:53905 (17 connections now open)&lt;br/&gt;
Sat Aug 18 23:21:31 &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; connection accepted from 10.8.233.42:53907 #17354 (18 connections now open)&lt;/p&gt;

&lt;p&gt;Full mongodb.log file attached to this issue.&lt;/p&gt;</description>
                <environment>All servers are EC2 hosts, Ubuntu 11.04 (GNU/Linux 2.6.38-13-virtual x86_64)&lt;br/&gt;
9 Shard hosts (m2.4xlarge), 3 Replica sets, 3 servers in each&lt;br/&gt;
3 config servers (m1.small)&lt;br/&gt;
2 mongos hosts (m1.medium) </environment>
        <key id="47679">SERVER-6806</key>
            <summary>[journal] warning assertion failure a &lt;= 256*1024*1024 src/mongo/util/alignedbuilder.cpp 90 message in secondary servers logs</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="milkie@mongodb.com">Eric Milkie</assignee>
                                    <reporter username="vladimir.poluyaktov">Vladimir Poluyaktov</reporter>
                        <labels>
                    </labels>
                <created>Mon, 20 Aug 2012 21:04:54 +0000</created>
                <updated>Wed, 26 Feb 2014 19:07:43 +0000</updated>
                            <resolved>Tue, 21 Aug 2012 19:57:06 +0000</resolved>
                                    <version>2.2.0-rc1</version>
                                                    <component>Storage</component>
                                        <votes>1</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="505859" author="milkie" created="Wed, 26 Feb 2014 19:07:43 +0000"  >&lt;p&gt;Hi Mark.&lt;br/&gt;
I believe your problem is related to this ticket: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-12876&quot; title=&quot;Server shuts down when compacting collection due to assertion failure in alignedbuilder.cpp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-12876&quot;&gt;&lt;del&gt;SERVER-12876&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
We have a proposed code fix for the problem and it should be committed within a day or two. Thanks for reporting this!&lt;/p&gt;</comment>
                            <comment id="505748" author="mdcallag" created="Wed, 26 Feb 2014 16:32:27 +0000"  >&lt;p&gt;I just got this crash from 2.5.5 while running compact on a collection that uses ~2G of space. Do you want a new report or details posted here?&lt;/p&gt;</comment>
                            <comment id="155533" author="milkie" created="Tue, 21 Aug 2012 19:56:42 +0000"  >&lt;p&gt;With the new multithreaded batch replication oplog application code, it&apos;s now possible to queue up a lot of work for the journaling subsystem.  While this would be a bad thing on a primary node, it&apos;s less important on a secondary where nothing can be committed to the journal until an entire batch of operations is complete.  You can safely ignore these messages and they should be suppressed in a future release.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="47789">SERVER-6816</issuekey>
        </issuelink>
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                                                        </issuelinktype>
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                <attachments>
                            <attachment id="18857" name="mongodb.log-20120818.gz" size="2008210" author="vladimir.poluyaktov" created="Mon, 20 Aug 2012 21:05:11 +0000"/>
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