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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-33652] Restarting oplog query due to error:  Restarting oplog query due to error: OperationFailed: GetMore command executor error</title>
                <link>https://jira.mongodb.org/browse/SERVER-33652</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;secondary have error &quot;Restarting oplog query due to error&quot;  after that happen &quot;***aborting after fassert() failure&quot;&lt;/p&gt;

&lt;p&gt;Log from secondary member: There are very man these entires:&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;   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;2018-03-01T07:49:14.167Z I REPL     [replication-7490] Restarting oplog query due to error: OperationFailed: GetMore command executor error: CappedPositionLost: CollectionScan died due to position in capped collection being deleted. Last seen record id: RecordId(6527632502100591112). Last fetched optime (with hash): { ts: Timestamp 1519832877000|519, t: 4 }[-5691563086952961010]. Restarts remaining: 3&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;2018-03-01T07:49:14.199Z I REPL     [replication-7490] Scheduled new oplog query Fetcher source: xxxxxxxxxx:27018 database: local query:{ find: &quot;oplog.rs&quot;, filter: { ts: { $gte: Timestamp 1519832877000|519 } }, tailable: true, oplogReplay: true, awaitData: true, maxTimeMS: 60000, term: 4 } query metadata: { $replData: 1, $ssm: { $secondaryOk: true } } active: 1 timeout: 10000ms shutting down?: 0 first: 1 firstCommandScheduler: RemoteCommandRetryScheduler request: RemoteCommand 370471624 -- target:xxxxxxxxxx:27018 db:local cmd:{ find: &quot;oplog.rs&quot;, filter: { ts: { $gte: Timestamp 1519832877000|519 } }, tailable: true, oplogReplay: true, awaitData: true, maxTimeMS: 60000, term: 4 } active: 1 callbackHandle.valid: 1 callbackHandle.cancelled: 0 attempt: 1 retryPolicy: RetryPolicyImpl maxAttempts: 1 maxTimeMillis: -1ms&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;2018-03-01T07:49:14.258Z I REPL     [rsBackgroundSync] Starting rollback due to OplogStartMissing: our last op time fetched: { ts: Timestamp 1519832877000|519, t: 4 }. source&apos;s GTE: { ts: Timestamp 1519832981000|612, t: 4 } hashes: (-5691563086952961010/-1342693826324896861)2018-03-01T07:49:14.268Z I REPL     [rsBackgroundSync] Waiting for all operations from { ts: Timestamp 1519831270000|141, t: 4 } until { ts: Timestamp 1519832877000|519, t: 4 } to be applied before starting rollback.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;2018-03-02T07:10:04.447Z F REPL     [rsBackgroundSync] Unable to complete rollback. A full resync may be needed: UnrecoverableRollbackError: need to rollback, but unable to determine common point between local and remote oplog: NoMatchingDocument: RS100 reached beginning of remote oplog [1] @ 18752&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;2018-03-02T07:10:04.459Z I -        [rsBackgroundSync] Fatal Assertion 28723 at src/mongo/db/repl/bgsync.cpp 676&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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-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;2018-03-02T07:10:04.459Z I -        [rsBackgroundSync] &lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="505617">SERVER-33652</key>
            <summary>Restarting oplog query due to error:  Restarting oplog query due to error: OperationFailed: GetMore command executor error</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</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="3">Duplicate</resolution>
                                        <assignee username="ramon.fernandez@mongodb.com">Ramon Fernandez Marina</assignee>
                                    <reporter username="kangwanu">kangwanu</reporter>
                        <labels>
                    </labels>
                <created>Mon, 5 Mar 2018 07:12:11 +0000</created>
                <updated>Mon, 2 Apr 2018 22:00:26 +0000</updated>
                            <resolved>Mon, 5 Mar 2018 13:08:54 +0000</resolved>
                                    <version>3.4.2</version>
                                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1824030" author="kangwanu" created="Tue, 6 Mar 2018 03:55:44 +0000"  >&lt;p&gt;hi Ramon sir&lt;br/&gt;
       I should Expand optlog  right?   How much should I Expand ?&lt;br/&gt;
    +optlog   setting +&lt;br/&gt;
   configured oplog size:   10240MB&lt;br/&gt;
   log length start to end: 141580secs (39.33hrs)&lt;br/&gt;
   oplog first event time:  Sun Mar 04 2018 19:30:30 GMT+0700 (ICT)&lt;br/&gt;
   oplog last event time:   Tue Mar 06 2018 10:50:10 GMT+0700 (ICT)&lt;br/&gt;
   now:  Tue Mar 06 2018 10:50:11 GMT+0700 (ICT)&lt;br/&gt;
thanks.&lt;/p&gt;</comment>
                            <comment id="1822935" author="ramon.fernandez" created="Mon, 5 Mar 2018 13:08:33 +0000"  >&lt;p&gt;Sorry to hear you&apos;re running into this issue &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kangwanu&quot; class=&quot;user-hover&quot; rel=&quot;kangwanu&quot;&gt;kangwanu&lt;/a&gt;. This was reported earlier in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32827&quot; title=&quot;Initial sync can fail when syncing a capped collection if the capped collection rolls over on the sync source&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32827&quot;&gt;SERVER-32827&lt;/a&gt; so I&apos;m going to mark this ticket as a duplicate.&lt;/p&gt;

&lt;p&gt;Please see the &lt;a href=&quot;https://docs.mongodb.com/manual/tutorial/troubleshoot-replica-sets/#check-the-replication-lag&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;replication lag documentation&lt;/a&gt; to see possible causes of replication lag. If your replication lag is stable, using a larger &lt;tt&gt;optlog&lt;/tt&gt; should help, but it it grows constantly you may need to use more powerful machines and/or a faster network, depending on the exact cause of the lag. You can post MongoDB-related support questions on the &lt;a href=&quot;http://groups.google.com/group/mongodb-user&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;mongodb-user group&lt;/a&gt; or &lt;a href=&quot;http://stackoverflow.com/questions/tagged/mongodb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Stack Overflow with the &lt;tt&gt;mongodb&lt;/tt&gt; tag&lt;/a&gt;, where your questions will reach a larger audience.&lt;/p&gt;

&lt;p&gt;Regards,&lt;br/&gt;
Ram&#243;n.&lt;/p&gt;</comment>
                            <comment id="1822785" author="kangwanu" created="Mon, 5 Mar 2018 07:25:27 +0000"  >&lt;p&gt;More information&lt;br/&gt;
1. Add new secondary member.&lt;br/&gt;
2. Init sync from master&lt;br/&gt;
3. After init sync you should have a replication lag. Sometimes this lag occurs after 2-3 days.&lt;br/&gt;
I use mongodb Version/s:3.4.2 .please help me.  can you told me. if you want more information&lt;br/&gt;
thanks. &lt;/p&gt;</comment>
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