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    <title>MongoDB Jira</title>
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    <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-80309] Design a mechanism to collect performance metrics</title>
                <link>https://jira.mongodb.org/browse/SERVER-80309</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We need to collect performance metrics for Bazel, including:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;How long do builds take?&lt;/li&gt;
	&lt;li&gt;How does Bazel performance compare to SCons?&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;(daniel.moody updated info)&lt;br/&gt;
SCons has built in metrics (limited) and we extended those via our own build metrics tool. The build metrics tool will track time and memory usage of any given build action, so scons will call to bazel in a single invocation to build the bazel things, and scons will track the time and memory of bazel subprocess as a whole.&lt;/p&gt;

&lt;p&gt;One thing to note is that scons build metrics do not track remote icecream execution, because the metrics were originally designed for use in evergreen context (no icecream), and icecream does not have much in the way of metrics reporting options in any case.&lt;/p&gt;
</description>
                <environment></environment>
        <key id="2423334">SERVER-80309</key>
            <summary>Design a mechanism to collect performance metrics</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="daniel.moody@mongodb.com">Daniel Moody</assignee>
                                    <reporter username="steve.gross@mongodb.com">Steve Gross</reporter>
                        <labels>
                    </labels>
                <created>Tue, 22 Aug 2023 15:23:27 +0000</created>
                <updated>Tue, 23 Jan 2024 16:48:25 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5785468" author="JIRAUSER1253549" created="Tue, 17 Oct 2023 16:48:54 +0000"  >&lt;p&gt;There needs to be some clarification and categorization of scope and goals here. For example any kind of comparison of scons and bazel has to be done in a controlled way. Like you need to build the same thing in the same environment twice (one for scons and one for bazel) to compare. This comparison does not translate to developer use case. Sure we can track average developer build time, but there are so many underlying factors there that you don&apos;t what the root cause is for any given change.&lt;/p&gt;

&lt;p&gt;Also I believe there will be some overhead in build time while we have a &quot;multi build system&quot; build (similar to extra upfront cost for scons + ninja). There will be a cost for scons and bazel to communicate and work together, that will not be there if it was just scons or just bazel. &lt;/p&gt;</comment>
                            <comment id="5651985" author="JIRAUSER1268551" created="Tue, 22 Aug 2023 21:02:11 +0000"  >&lt;p&gt;&lt;a href=&quot;https://envoy.cluster.engflow.com/?createdAfter=2023-03-16T23%3A00%3A00.000Z&amp;amp;createdBefore=2023-03-17T23%3A00%3A00.000Z&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://envoy.cluster.engflow.com/?createdAfter=2023-03-16T23%3A00%3A00.000Z&amp;amp;createdBefore=2023-03-17T23%3A00%3A00.000Z&lt;/a&gt;&lt;/p&gt;</comment>
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                                            <outwardlinks description="related to">
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                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="2476762">SERVER-82263</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2476765">SERVER-82265</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2476778">SERVER-82266</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2476759">SERVER-82262</issuekey>
        </issuelink>
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