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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-2646] shard hangs on migrate</title>
                <link>https://jira.mongodb.org/browse/SERVER-2646</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;While a shard is doing a migrate, the whole cluster hangs.&lt;br/&gt;
The server and the cluster simply hangs, unable to query, cursors gets timeout, all the clients can&apos;t access the cluster at all.&lt;/p&gt;

&lt;p&gt;I have attached logs.&lt;/p&gt;</description>
                <environment>CentOS 5.5 64bit&lt;br/&gt;
64GB RAM&lt;br/&gt;
Hardware RAID10 12x146GB 10k (Adaptec 52445 with BBU)</environment>
        <key id="14937">SERVER-2646</key>
            <summary>shard hangs on migrate</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="5">Cannot Reproduce</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="infin1ty">Erez Zarum</reporter>
                        <labels>
                    </labels>
                <created>Tue, 1 Mar 2011 13:44:29 +0000</created>
                <updated>Fri, 30 Mar 2012 14:37:06 +0000</updated>
                            <resolved>Wed, 2 Mar 2011 07:24:12 +0000</resolved>
                                    <version>1.6.5</version>
                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="25072" author="infin1ty" created="Wed, 2 Mar 2011 16:29:10 +0000"  >&lt;p&gt;new logs along with one application server mongos.log (the one who CursorTimeout)&lt;/p&gt;</comment>
                            <comment id="25053" author="eliot" created="Wed, 2 Mar 2011 07:24:12 +0000"  >&lt;p&gt;If you can attach mongos logs can dig into more.&lt;/p&gt;</comment>
                            <comment id="25052" author="eliot" created="Wed, 2 Mar 2011 07:23:58 +0000"  >&lt;p&gt;As discussed in mailing list, these logs don&apos;t show an issue by themselves.&lt;br/&gt;
mongos logs would help&lt;/p&gt;</comment>
                            <comment id="24986" author="eliot" created="Tue, 1 Mar 2011 19:44:12 +0000"  >&lt;p&gt;Can you send the errors you got?&lt;br/&gt;
From the logs you sent there is no queuing or blocking in either mongod, so I don&apos;t see anything that would lead to slow client activity.&lt;/p&gt;</comment>
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                            <attachment id="10917" name="01032011_xx-xxx.zip" size="803804" author="infin1ty" created="Tue, 1 Mar 2011 13:44:29 +0000"/>
                            <attachment id="10932" name="02032011xx-xxx.zip" size="2417920" author="infin1ty" created="Wed, 2 Mar 2011 16:29:10 +0000"/>
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