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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>
    </build-info>


<item>
            <title>[SERVER-15283] MapViewOfFileEx for Y:/mongo/slave/mips201409/mips201409.12 failed with error errno:487 (file size is 2146435072) in MemoryMappedFile:</title>
                <link>https://jira.mongodb.org/browse/SERVER-15283</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;OS: Windows Server 2008 R2 &#215;64 ;machine ram : 128GB &lt;br/&gt;
mongoDB :version v2.4.8&lt;br/&gt;
dbserver runing  more than a month with Master-Slave mode,one node is master,one node is slave.&lt;br/&gt;
MapViewOfFileEx for Y:/mongo/slave/db/mips201409/mips201409.12 failed with error errno:487 cannot access(file size is 2146435072) in MemoryMappedFile::createPrivateMap&lt;br/&gt;
that cause os restart,and synchronization  data from master again&lt;/p&gt;</description>
                <environment></environment>
        <key id="158595">SERVER-15283</key>
            <summary>MapViewOfFileEx for Y:/mongo/slave/mips201409/mips201409.12 failed with error errno:487 (file size is 2146435072) in MemoryMappedFile:</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="4">Incomplete</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="gaoyw">gaoyw</reporter>
                        <labels>
                    </labels>
                <created>Wed, 17 Sep 2014 06:36:16 +0000</created>
                <updated>Sat, 24 Jan 2015 17:18:28 +0000</updated>
                            <resolved>Fri, 23 Jan 2015 17:03:07 +0000</resolved>
                                    <version>2.4.8</version>
                                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="722259" author="matt.kangas@10gen.com" created="Thu, 18 Sep 2014 18:27:14 +0000"  >&lt;p&gt;@gaoyw - is the above result obtained from the server that reported &quot;errno:487 cannot access(file size is 2146435072) in MemoryMappedFile::createPrivateMap&quot;?&lt;/p&gt;

&lt;p&gt;I suspect it is not. You said it was your slave that system that failed, please confirm you are obtaining buildInfo from the slave.&lt;/p&gt;

&lt;p&gt;You can also examine your log files. Build information is printed to the log when mongod starts.&lt;/p&gt;</comment>
                            <comment id="721521" author="gaoyw" created="Thu, 18 Sep 2014 02:04:53 +0000"  >&lt;p&gt;&amp;gt; db.serverBuildInfo();&lt;br/&gt;
{&lt;br/&gt;
        &quot;version&quot; : &quot;2.4.8&quot;,&lt;br/&gt;
        &quot;gitVersion&quot; : &quot;a350fc38922fbda2cec8d5dd842237b904eafc14&quot;,&lt;br/&gt;
        &quot;sysInfo&quot; : &quot;windows sys.getwindowsversion(major=6, minor=1, build=7601,&lt;br/&gt;
 platform=2, service_pack=&apos;Service Pack 1&apos;) BOOST_LIB_VERSION=1_49&quot;,&lt;br/&gt;
        &quot;loaderFlags&quot; : &quot;/nologo /LTCG /DEBUG /LARGEADDRESSAWARE /NODEFAULTLIB:M&lt;br/&gt;
SVCPRT&quot;,&lt;br/&gt;
        &quot;compilerFlags&quot; : &quot;/TP /nologo /EHsc /W3 /wd4355 /wd4800 /wd4267 /wd4244&lt;br/&gt;
 /Z7 /errorReport:none /O2 /Oy- /MT /GL&quot;,&lt;br/&gt;
        &quot;allocator&quot; : &quot;system&quot;,&lt;br/&gt;
        &quot;versionArray&quot; : [&lt;br/&gt;
                2,&lt;br/&gt;
                4,&lt;br/&gt;
                8,&lt;br/&gt;
                0&lt;br/&gt;
        ],&lt;br/&gt;
        &quot;javascriptEngine&quot; : &quot;V8&quot;,&lt;br/&gt;
        &quot;bits&quot; : 64,&lt;br/&gt;
        &quot;debug&quot; : false,&lt;br/&gt;
        &quot;maxBsonObjectSize&quot; : 16777216,&lt;br/&gt;
        &quot;ok&quot; : 1&lt;br/&gt;
}&lt;/p&gt;

&lt;p&gt;bits is 64&lt;/p&gt;</comment>
                            <comment id="721040" author="matt.kangas@10gen.com" created="Wed, 17 Sep 2014 18:09:30 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=gaoyw&quot; class=&quot;user-hover&quot; rel=&quot;gaoyw&quot;&gt;gaoyw&lt;/a&gt; - Can you confirm that you are running a 64-bit build of MongoDB, not a 32-bit build?&lt;/p&gt;

&lt;p&gt;In the mongo shell please run:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&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;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;getBuildInfo()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;If the &quot;bits&quot; field is 32 then the error you see is expected when the mapped data set size exceeds 2 GB.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://docs.mongodb.org/manual/faq/fundamentals/#what-are-the-limitations-of-32-bit-versions-of-mongodb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;FAQ: What are the limitations of 32-bit versions of MongoDB&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;To fix: download a 64-bit version of MongoDB 2.4.11, install, and restart.&lt;/p&gt;</comment>
                    </comments>
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                            <attachment id="52277" name="log.log" size="23683" author="gaoyw" created="Wed, 17 Sep 2014 06:36:16 +0000"/>
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