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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>[DOCS-15103] [SERVER] Add documentation for BSONColumn (Binary subtype 7) to bsonspec.org</title>
                <link>https://jira.mongodb.org/browse/DOCS-15103</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;div class=&quot;panel&quot; style=&quot;background-color: #fafbfc;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #fafbfc;&quot;&gt;
&lt;h3&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;&lt;b&gt;Summary&lt;/b&gt;&lt;/h3&gt;

&lt;p&gt;Document the contents of the BSONColumn (binary subtype 7) format.&lt;/p&gt;
&lt;h3&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;&lt;b&gt;Motivation&lt;/b&gt;&lt;/h3&gt;
&lt;h4&gt;&lt;a name=&quot;Affectedusersareapplicationdevelopersandadvancedusersdirectlyaccessing%7B%7Bsystem.buckets.X%7D%7Dcollectionscontainingtimeseriesdata.&quot;&gt;&lt;/a&gt;Affected users are application developers and advanced users directly accessing &lt;tt&gt;system.buckets.X&lt;/tt&gt; collections containing time-series data.&lt;/h4&gt;

&lt;p&gt;By documenting our format in a public place, we encourage new innovative uses of this format, including the development of efficient third-party&#160;tools to import and export time-series data.&lt;/p&gt;

&lt;p&gt;&lt;font color=&quot;#1a1a1a&quot;&gt;How does this affect the end user?&lt;/font&gt;&lt;/p&gt;

&lt;p&gt;The initial loading of data into MongoDB is currently very slow, as it has to be done measurement by measurement through the command interface. With a tool that converts, for example,{{ .csv}} files directly to time-series buckets using the BSONColumn format, we could significantly speed up import of large amounts of time-series data.&lt;/p&gt;

&lt;p&gt;The user may feel more confident knowing their data is stored in a documented format that is part of the BSON specification. Even without tools to directly read BSONColumn data, just the fact that the format is documented may alleviate discomfort with not being able to directly &quot;see&quot; how the information is stored.&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;div class=&quot;panel&quot; style=&quot;background-color: #fafbfc;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #fafbfc;&quot;&gt;
&lt;h4&gt;&lt;a name=&quot;Howlikelyisitthatthisproblemorusecasewilloccur%3F&quot;&gt;&lt;/a&gt;How likely is it that this problem or use case will occur?&lt;/h4&gt;

&lt;p&gt;This documentation will be useful for MongoDB internally (for Technical Support, for example). It is somewhat likely that a user will look at their &lt;tt&gt;system.buckets&lt;/tt&gt; collections for their time-series data and be concerned that their data is stored in some opaque format that no standard tools know about.&#160;&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Iftheproblemdoesoccur%2Cwhataretheconsequencesandhowseverearethey%3F&quot;&gt;&lt;/a&gt;If the problem does occur, what are the consequences and how severe are they?&lt;/h4&gt;

&lt;p&gt;**If users feel uncomfortable storing their data in MongoDB&apos;s time-series collections, that will limit our addressable market, or make feel customers uncomfortable with BSON as a format altogether.&#160;&lt;/p&gt;

&lt;p&gt;&lt;font color=&quot;#1a1a1a&quot;&gt;Is this issue urgent?&lt;/font&gt;&lt;/p&gt;

&lt;p&gt;Urgency is debatable, but the MongoDB 6.0 GA version is going to be the first LTS release using BSON columnar compression by default, so I think that we should document the data format by then.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Isthisticketrequiredbyadownstreamteam%3F&quot;&gt;&lt;/a&gt;Is this ticket required by a downstream team?&lt;/h4&gt;

&lt;p&gt;I do not think this ticket is directly required by a downstream team, though it could present an opportunity for performance optimization or introspection and diagnostics around storage efficiency and compression ratios.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Isthisticketonlyfortests%3F&quot;&gt;&lt;/a&gt;Is this ticket only for tests?&lt;/h4&gt;

&lt;p&gt;This ticket is important for production.&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;</description>
                <environment></environment>
        <key id="1980888">DOCS-15103</key>
            <summary>[SERVER] Add documentation for BSONColumn (Binary subtype 7) to bsonspec.org</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="rea.rustagi@mongodb.com">Rea Rustagi</assignee>
                                    <reporter username="geert.bosch@mongodb.com">Geert Bosch</reporter>
                        <labels>
                            <label>backlog</label>
                            <label>feature</label>
                            <label>release</label>
                    </labels>
                <created>Thu, 10 Feb 2022 03:38:41 +0000</created>
                <updated>Thu, 1 Feb 2024 20:03:57 +0000</updated>
                                                                            <component>drivers</component>
                    <component>manual</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="6060556" author="henrik.edin" created="Thu, 1 Feb 2024 20:03:57 +0000"  >&lt;p&gt;Exciting! I made a first draft that I have not been able to find time to finish. You can find my draft PR here: &lt;a href=&quot;https://github.com/10gen/mongo/pull/12458&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/pull/12458&lt;/a&gt; (on a different location to avoid a public PR) and here for a view on how it looks: &lt;a href=&quot;https://github.com/10gen/mongo/blob/henrikedin/WRITING-10967.bsoncolumn/docs/subtype7.rst&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/henrikedin/WRITING-10967.bsoncolumn/docs/subtype7.rst&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;There are a minor thing that have changed in the format since I wrote that, please sync up with me!&lt;/p&gt;</comment>
                            <comment id="6060484" author="geert.bosch" created="Thu, 1 Feb 2024 19:46:05 +0000"  >&lt;p&gt;Hey &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=henrik.edin%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;henrik.edin@mongodb.com&quot;&gt;henrik.edin@mongodb.com&lt;/a&gt; , Rea is working on this ticket but I believe you have a better start for thisthan what&apos;s in the design doc. Is that right? If so, could you share that?&lt;/p&gt;</comment>
                            <comment id="4347003" author="behackett" created="Thu, 10 Feb 2022 04:05:10 +0000"  >&lt;p&gt;I moved this to docs because I&apos;m not sure who owns bsonspec.org, but it looks like a lot of people all over the company commit to the repo. &lt;a href=&quot;https://github.com/mongodb/bsonspec.org&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/bsonspec.org&lt;/a&gt;&lt;/p&gt;</comment>
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