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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-71564] _writeTestPipeBsonFile() test shell extension for Named Pipes benchmarks</title>
                <link>https://jira.mongodb.org/browse/SERVER-71564</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;These are subtasks from PERF-3313:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;&lt;b&gt;ClickBench hits.json&lt;/b&gt; &#8211; Convert e.g. first ~1M objects to BSON and upload to SE dsi-donot-remove bucket.&lt;/li&gt;
	&lt;li&gt;&lt;b&gt;_writeTestPipeBsonFile()&lt;/b&gt; - Create this as another new test shell function that reads from a BSON file and writes the objects it contains to a named pipe. (&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-70392&quot; title=&quot;Add a test shell extension to create a named pipe and push (bson) data into it&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-70392&quot;&gt;&lt;del&gt;SERVER-70392&lt;/del&gt;&lt;/a&gt; is a reference for this.)&lt;/li&gt;
	&lt;li&gt;&lt;b&gt;jstests/noPassthrough/external_data_source.js&lt;/b&gt; - Add a test case for #2 to this test.&lt;/li&gt;
&lt;/ol&gt;
</description>
                <environment></environment>
        <key id="2192659">SERVER-71564</key>
            <summary>_writeTestPipeBsonFile() test shell extension for Named Pipes benchmarks</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="13201">Fixed</resolution>
                                        <assignee username="kevin.cherkauer@mongodb.com">Kevin Cherkauer</assignee>
                                    <reporter username="kevin.cherkauer@mongodb.com">Kevin Cherkauer</reporter>
                        <labels>
                    </labels>
                <created>Tue, 22 Nov 2022 23:23:50 +0000</created>
                <updated>Sun, 29 Oct 2023 21:30:11 +0000</updated>
                            <resolved>Wed, 30 Nov 2022 23:06:17 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5020600" author="xgen-internal-githook" created="Wed, 30 Nov 2022 23:00:50 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kevin Cherkauer&apos;, &apos;email&apos;: &apos;kevin.cherkauer@mongodb.com&apos;, &apos;username&apos;: &apos;kevin-cherkauer&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71564&quot; title=&quot;_writeTestPipeBsonFile() test shell extension for Named Pipes benchmarks&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71564&quot;&gt;&lt;del&gt;SERVER-71564&lt;/del&gt;&lt;/a&gt; Named Pipes _writeTestPipeBsonFile() test shell function&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/003d7559230acf925ca0069750cc914f7db0ab5b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/003d7559230acf925ca0069750cc914f7db0ab5b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5013256" author="JIRAUSER1270811" created="Mon, 28 Nov 2022 22:33:02 +0000"  >&lt;p&gt;Implementation:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Read the BSON file into a std::vector&amp;lt;BSONObj&amp;gt;.&lt;/li&gt;
	&lt;li&gt;Call existing NamedPipeHelper::writeToPipeObjectsAsync() on this vector.&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;This will round-robin the objects into the pipe until the number of objects written reaches the requested count. This approach allows us to feed BSON files into named pipes very fast, since the pipe writing is done from memory images, and for the parent PERF-3313 we do want the writer (producer) to be as fast as possible so it is not the bottleneck in the benchmarks.&lt;/p&gt;

&lt;p&gt;Example:&lt;/p&gt;

&lt;p&gt;_writeTestPIpeBsonFile(&quot;pipeName&quot;, 100000, &quot;objectsFile.bson&quot;);&lt;/p&gt;</comment>
                            <comment id="5005320" author="JIRAUSER1270811" created="Wed, 23 Nov 2022 23:13:45 +0000"  >&lt;p&gt;&lt;font color=&quot;#1d1c1d&quot;&gt;I have created a set of compressed benchmark data files of different orders of magnitude in both BSON and JSON formats plus uploaded the original Queries.zip and added a README.txt. These files (16 total) are in the Query Team Google Drive directory&lt;/font&gt;&lt;br/&gt;
&lt;font color=&quot;#1d1c1d&quot;&gt;&#160;&lt;/font&gt;&lt;br/&gt;
&lt;font color=&quot;#1d1c1d&quot;&gt;&lt;b&gt;Query/Benchmarks/ClickBench/&lt;/b&gt;&lt;/font&gt;&lt;br/&gt;
&lt;span class=&quot;error&quot;&gt;&amp;#91;&lt;font color=&quot;#1d1c1d&quot;&gt;&lt;a href=&quot;https://drive.google.com/drive/folders/1xC_aAtY_W8Hn5zQq5n7opd5N4NBz1lmq&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://drive.google.com/drive/folders/1xC_aAtY_W8Hn5zQq5n7opd5N4NBz1lmq&lt;/a&gt;&lt;/font&gt;&amp;#93;&lt;/span&gt;&lt;br/&gt;
&#160;&lt;br/&gt;
These have been uploaded to S3 path&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://s3-us-west-2.amazonaws.com/dsi-donot-remove/Query/Benchmarks/ClickBench/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://s3-us-west-2.amazonaws.com/dsi-donot-remove/Query/Benchmarks/ClickBench/&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;by Ryan Timmons of the Performance Tools team.&lt;/p&gt;

&lt;p&gt;The subsets contain the first N objects from the full ClickBench dataset, for N in {1, 10, 100, 1,000, 10,000, 100,000, 1,000,000}. The original full dataset has almost 100 million objects and is unwieldy at 22.1 GB compressed JSON or 216.7 GB uncompressed. We do not need such a huge dataset for our benchmarks. These seven subsets will let us easily pick the scale of data we want to run any given benchmark on. The largest subset is about 2.2 GB of BSON when uncompressed or 162 MB when gzipped.&lt;/p&gt;</comment>
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