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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-79813] [SPIKE] Write Op batching and shard targeting code walkthrough</title>
                <link>https://jira.mongodb.org/browse/SERVER-79813</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The goal of this spike is to learn how a write op batching and shard targeting is done in &lt;tt&gt;write_op.h&lt;/tt&gt; and &lt;tt&gt;batch_write_op.h&lt;/tt&gt; and to find out more about their lifecycle as it pertains to an update op which in &lt;tt&gt;bulk_write_exec.h&lt;/tt&gt;. After this spike one should be able to answer questions like the following:&lt;/p&gt;

&lt;ol&gt;
	&lt;li&gt;What is the life cycle of a WriteOp?&lt;/li&gt;
	&lt;li&gt;How is writeOps batching done at mongos?&lt;/li&gt;
	&lt;li&gt;How are unordered and ordered ops in batches handled?&lt;/li&gt;
	&lt;li&gt;What happens to a batch if one write fails?&lt;/li&gt;
	&lt;li&gt;How is a batch of updateOnes handled?&lt;/li&gt;
	&lt;li&gt;Does any of the two files need any significant modification for PM-3190 implementation?&lt;/li&gt;
&lt;/ol&gt;
</description>
                <environment></environment>
        <key id="2411419">SERVER-79813</key>
            <summary>[SPIKE] Write Op batching and shard targeting code walkthrough</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="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="12300">Won&apos;t Do</resolution>
                                        <assignee username="rachita.dhawan@mongodb.com">Rachita Dhawan</assignee>
                                    <reporter username="abdul.qadeer@mongodb.com">Abdul Qadeer</reporter>
                        <labels>
                    </labels>
                <created>Tue, 8 Aug 2023 01:06:52 +0000</created>
                <updated>Wed, 29 Nov 2023 20:57:03 +0000</updated>
                            <resolved>Wed, 29 Nov 2023 20:57:02 +0000</resolved>
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