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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-53382] Add additional initial sync metrics to logs</title>
                <link>https://jira.mongodb.org/browse/SERVER-53382</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In order to have a better picture of how our initial sync is performing in current and previous versions, we need to add more metrics to our logs.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Current important metrics that we already have in our logs -&lt;/b&gt;&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;failedInitialSyncAttempts&lt;/li&gt;
	&lt;li&gt;approxTotalDataSize&lt;/li&gt;
	&lt;li&gt;approxTotalBytesCopied&lt;/li&gt;
	&lt;li&gt;totalInitialSyncElapsedMillis&lt;/li&gt;
	&lt;li&gt;initialSyncAttempts&lt;/li&gt;
	&lt;li&gt;appliedOps&lt;/li&gt;
	&lt;li&gt;databases.databasesCloned&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;&lt;b&gt;Future metrics to add&lt;/b&gt; (names and methods are TBD)&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;successfulInitialSyncAttempts&lt;/li&gt;
	&lt;li&gt;resumedInitialSyncAttempts&lt;/li&gt;
	&lt;li&gt;collectionsCloned = length of listCollections response&lt;/li&gt;
	&lt;li&gt;&amp;lt;collection&amp;gt;.approxBytesCopied = collStats.avgObjSize * documentsCopied&lt;/li&gt;
	&lt;li&gt;indexesCloned = dbStats.indexes&lt;/li&gt;
	&lt;li&gt;totalIndexSize = dbStats.indexSize&lt;/li&gt;
	&lt;li&gt;totalInitialSyncOplogElapsedMillis = time for oplog application phase&#160;&lt;/li&gt;
	&lt;li&gt;initialSyncMethod&#160;&lt;/li&gt;
	&lt;li&gt;resycOrAddingNode&#160;&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="1569616">SERVER-53382</key>
            <summary>Add additional initial sync metrics to logs</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="alan.zheng@mongodb.com">Alan Zheng</assignee>
                                    <reporter username="evin.roesle@mongodb.com">Evin Roesle</reporter>
                        <labels>
                            <label>former-quick-wins</label>
                    </labels>
                <created>Wed, 16 Dec 2020 00:08:08 +0000</created>
                <updated>Tue, 5 Apr 2022 19:36:14 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="3947576" author="JIRAUSER1259756" created="Fri, 16 Jul 2021 18:24:48 +0000"  >&lt;p&gt;Agreed that we should add additional initial sync metrics. I can help with defining this ticket. Reassigning to myself.&lt;/p&gt;</comment>
                            <comment id="3533102" author="bruce.lucas@10gen.com" created="Wed, 16 Dec 2020 19:11:03 +0000"  >&lt;p&gt;Is this for logs as stated, or for serverStataus or replSetGetStatus? If either of the latter then &amp;lt;collection&amp;gt;.approxBytesCopied is problematic in the case where there are a large number of collections because of the size of the resulting document, and because of the load on ftdc.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
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                                        <issuelink>
            <issuekey id="1576212">SERVER-53476</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="1456154">SERVER-50624</issuekey>
        </issuelink>
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                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="1569580">SERVER-53381</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="1456154">SERVER-50624</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="1314203">SERVER-47528</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="1335004">SERVER-47863</issuekey>
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