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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-4796] Add limit/max to remove command</title>
                <link>https://jira.mongodb.org/browse/SERVER-4796</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;It would be nice to be able remove/delete data in blocks. &lt;/p&gt;

&lt;p&gt;To support this, an optional max/limit parameter is required in the remove function.&lt;/p&gt;</description>
                <environment></environment>
        <key id="29297">SERVER-4796</key>
            <summary>Add limit/max to remove command</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="rn@deftlabs.com">Ryan Nitz</reporter>
                        <labels>
                            <label>asya-close</label>
                            <label>query</label>
                            <label>remove</label>
                    </labels>
                <created>Fri, 27 Jan 2012 18:14:07 +0000</created>
                <updated>Tue, 6 Dec 2022 05:37:06 +0000</updated>
                                                                            <component>Querying</component>
                                        <votes>15</votes>
                                    <watches>17</watches>
                                                                                                                <comments>
                            <comment id="3445634" author="nitin.katkam" created="Thu, 15 Oct 2020 06:03:53 +0000"  >&lt;p&gt;We can possibly take the approach of allowing the limit on deleteMany/updateMany for non-sharded collections, and return an error for sharded collections similar to the restriction on updateOne without a shardKey... but, yes, someone might want to be able to do this for sharded collections .&lt;/p&gt;

&lt;p&gt;The closest solution for updateMany is with the aggregation pipeline [ $match, $limit, $set, $merge ] in MongoDB 4.4. &lt;br/&gt;
To do a similar deleteMany, we can update a field that is used for a TTL index but the delete by a TTL index isn&apos;t immediate - the TTL check runs at an interval.&lt;/p&gt;</comment>
                            <comment id="1793820" author="asya" created="Fri, 2 Feb 2018 20:25:04 +0000"  >&lt;p&gt;I don&apos;t see how this can be honored in a sharded system (when not deleting based on shard key value and targeting a single shard).&lt;/p&gt;

&lt;p&gt;Maybe a &quot;soft limit&quot; that&apos;s upper max but no guarantees that that many documents will be removed, only max-that-many?&lt;/p&gt;

&lt;p&gt;(achieved by sending limit divided by number-of-shards-targeted to each targeted shard?)&lt;/p&gt;</comment>
                            <comment id="999903" author="oleg@evergage.com" created="Fri, 7 Aug 2015 22:43:36 +0000"  >&lt;p&gt;The primary use case for us is to throttle deletes. Sometimes under heavy load mass deletes can significantly affect db performance. A limit on remove operations would allow rerunning of delete periodically until data is gone--in this use case, it doesn&apos;t matter the order in which data is removed.&lt;/p&gt;</comment>
                            <comment id="148515" author="scotthernandez" created="Sun, 29 Jul 2012 13:20:00 +0000"  >&lt;p&gt;Sorting would need to be allowed as well, or else you could get things removed in different orders depending on the index(es) selected, or query execution.&lt;/p&gt;</comment>
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