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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-15849] Secondaries should not forward replication information for removed chained nodes</title>
                <link>https://jira.mongodb.org/browse/SERVER-15849</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;div class=&quot;panel&quot; style=&quot;background-color: #EEEEEE;border-color: #ccc;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;border-bottom-color: #ccc;background-color: #6CB33F;&quot;&gt;&lt;b&gt;Issue Status as of Dec 10, 2014&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #EEEEEE;&quot;&gt;
&lt;p&gt;&lt;b&gt;ISSUE SUMMARY&lt;/b&gt;&lt;br/&gt;
On a replicaset that uses &lt;a href=&quot;http://docs.mongodb.org/manual/tutorial/manage-chained-replication/#manage-chained-replication&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;chained replication&lt;/a&gt;, if a secondary with id &lt;tt&gt;M&lt;/tt&gt; that syncs from secondary with id &lt;tt&gt;N&lt;/tt&gt; is removed, node &lt;tt&gt;N&lt;/tt&gt; continues to forward replication information about &lt;tt&gt;M&lt;/tt&gt; to the primary. &lt;/p&gt;

&lt;p&gt;&lt;b&gt;USER IMPACT&lt;/b&gt;&lt;br/&gt;
The following message appears repeatedly in the primary&apos;s logfile:&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;replset couldn&apos;t find a slave with id M&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 removed node is required to meet a specific write concern, write operations with that write concern will wait indefintely unless a &lt;a href=&quot;http://docs.mongodb.org/manual/reference/write-concern/#wtimeout&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;wtimeout&lt;/tt&gt;&lt;/a&gt; was specified.&lt;/p&gt;

&lt;p&gt;On a sharded cluster, during a chunk migration the destination shard will wait for the final writes to be replicated to the majority of the nodes. If the write concern cannot be satisfied and a &lt;tt&gt;wtimeout&lt;/tt&gt; was not specified, the chunk migration times out after 60 minutes.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;WORKAROUNDS&lt;/b&gt;&lt;br/&gt;
There is no workaround for this issue. &lt;/p&gt;

&lt;p&gt;&lt;b&gt;AFFECTED VERSIONS&lt;/b&gt;&lt;br/&gt;
MongoDB 2.6 versions up to 2.6.5 are affected by this issue.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;FIX VERSION&lt;/b&gt;&lt;br/&gt;
The fix is included in the 2.6.6 production release.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;RESOLUTION DETAILS&lt;/b&gt;&lt;br/&gt;
Secondaries no longer forward replication progress for nodes that are no longer part of a replica set&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;</description>
                <environment></environment>
        <key id="165988">SERVER-15849</key>
            <summary>Secondaries should not forward replication information for removed chained nodes</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="9">Done</resolution>
                                        <assignee username="matt.dannenberg">Matt Dannenberg</assignee>
                                    <reporter username="matt.dannenberg">Matt Dannenberg</reporter>
                        <labels>
                    </labels>
                <created>Tue, 28 Oct 2014 20:23:23 +0000</created>
                <updated>Sat, 27 Aug 2016 05:42:50 +0000</updated>
                            <resolved>Mon, 1 Dec 2014 14:36:48 +0000</resolved>
                                    <version>2.6.5</version>
                                    <fixVersion>2.6.6</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>11</watches>
                                                                                                                <comments>
                            <comment id="775269" author="xgen-internal-githook" created="Mon, 1 Dec 2014 18:08:52 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dannenberg&apos;, u&apos;name&apos;: u&apos;matt dannenberg&apos;, u&apos;email&apos;: u&apos;matt.dannenberg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15849&quot; title=&quot;Secondaries should not forward replication information for removed chained nodes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15849&quot;&gt;&lt;del&gt;SERVER-15849&lt;/del&gt;&lt;/a&gt; fix reversed logic&lt;br/&gt;
Branch: v2.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/583191c572680b710f155b49bb2eb6ea20fbcc6b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/583191c572680b710f155b49bb2eb6ea20fbcc6b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="774990" author="xgen-internal-githook" created="Mon, 1 Dec 2014 14:36:06 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dannenberg&apos;, u&apos;name&apos;: u&apos;matt dannenberg&apos;, u&apos;email&apos;: u&apos;matt.dannenberg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15849&quot; title=&quot;Secondaries should not forward replication information for removed chained nodes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15849&quot;&gt;&lt;del&gt;SERVER-15849&lt;/del&gt;&lt;/a&gt; add test for removing a chained member&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/977abaaba51aeda3b4c6f0774aeb66b41aaa2274&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/977abaaba51aeda3b4c6f0774aeb66b41aaa2274&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="774987" author="xgen-internal-githook" created="Mon, 1 Dec 2014 14:28:44 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dannenberg&apos;, u&apos;name&apos;: u&apos;matt dannenberg&apos;, u&apos;email&apos;: u&apos;matt.dannenberg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15849&quot; title=&quot;Secondaries should not forward replication information for removed chained nodes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15849&quot;&gt;&lt;del&gt;SERVER-15849&lt;/del&gt;&lt;/a&gt; add test for removing a chained member&lt;br/&gt;
Branch: v2.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/80afbf31aee7585814079cfdb1dc6281bd96a1e7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/80afbf31aee7585814079cfdb1dc6281bd96a1e7&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="774986" author="xgen-internal-githook" created="Mon, 1 Dec 2014 14:28:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dannenberg&apos;, u&apos;name&apos;: u&apos;matt dannenberg&apos;, u&apos;email&apos;: u&apos;matt.dannenberg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15849&quot; title=&quot;Secondaries should not forward replication information for removed chained nodes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15849&quot;&gt;&lt;del&gt;SERVER-15849&lt;/del&gt;&lt;/a&gt; clear SyncSourceFeedback maps on non-additive reconfigs&lt;br/&gt;
Branch: v2.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/effc9042bdca26e40230399aac85e4a94a6fd01f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/effc9042bdca26e40230399aac85e4a94a6fd01f&lt;/a&gt;&lt;/p&gt;</comment>
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