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    <title>FOLIO Jira</title>
    <link>https://folio-org.atlassian.net</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>1001.0.0-SNAPSHOT</version>
        <build-number>100246</build-number>
        <build-date>07-02-2024</build-date>
    </build-info>

<item>
            <title>[UXPROD-2797] Prevent update conflicts (1 user and system trying to act on the same record)</title>
                <link>https://folio-org.atlassian.net/browse/UXPROD-2797</link>
                <project id="10000" key="UXPROD">UX Product</project>
                    <description>&lt;p&gt;&lt;b&gt;Problem statement&lt;/b&gt;&lt;br/&gt;
In FOLIO, most storage modules follow the &quot;last writer wins&quot; strategy for handling record updates. From the UI perspective this may lead to a situation when a stale record (older version of a give record) previously loaded into the UI may override a more recent version on the server. Hence relevant updates may get lost in the process and the user is not made aware of what has happened.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Proposed solution&lt;/b&gt;&lt;br/&gt;
From the storage and API perspective, optimistic locking is the proposed strategy to handle conflicts: (
    &lt;span class=&quot;jira-issue-macro resolved&quot; data-jira-key=&quot;UXPROD-1752&quot; &gt;
                &lt;a href=&quot;https://folio-org.atlassian.net/browse/UXPROD-1752&quot; class=&quot;jira-issue-macro-key issue-link&quot;  title=&quot;Prevent update conflicts (via optimistic locking): platform support for detection&quot; &gt;
            &lt;img class=&quot;icon&quot; src=&quot;https://folio-org.atlassian.net/rest/api/2/universal_avatar/view/type/issuetype/avatar/10322?size=medium&quot; /&gt;
            UXPROD-1752
        &lt;/a&gt;
                                                    &lt;span class=&quot;aui-lozenge aui-lozenge-subtle aui-lozenge-success jira-macro-single-issue-export-pdf&quot;&gt;Closed&lt;/span&gt;
            &lt;/span&gt;
). Handling of updates in FOLIO should rely on more explicit semantics, both in the storage (backend) APIs and the way it is communicated to the user through the UI.  &lt;/p&gt;

&lt;p&gt;&lt;b&gt;Use cases&lt;/b&gt; &lt;br/&gt;
&lt;b&gt;1 user and system trying to act on the same record, either individual records or batch&lt;/b&gt;&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;User A editing a user and system batch process is updating lots of users&lt;/li&gt;
	&lt;li&gt;User A editing an instance/holding/item and data import updating the same record (consider the DI redesign that is taking place now)&lt;/li&gt;
	&lt;li&gt;User A editing an item and checkout trying to update the item status&lt;/li&gt;
	&lt;li&gt;User A editing an item and bulk renewal trying to update the item&lt;/li&gt;
	&lt;li&gt;User A editing a budget and system applying a transaction to that budget at the same time&lt;/li&gt;
	&lt;li&gt;User A editing an instance/holdings/item after data import ran in Preview mode but before the data import changes were committed&lt;/li&gt;
	&lt;li&gt;User A editing a request while the request is being expired (request expiration date or hold shelf expiration date) - &lt;em&gt;rare&lt;/em&gt;&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="11582">UXPROD-2797</key>
            <summary>Prevent update conflicts (1 user and system trying to act on the same record)</summary>
                <type id="10002" iconUrl="https://folio-org.atlassian.net/rest/api/2/universal_avatar/view/type/issuetype/avatar/10322?size=medium">New Feature</type>
                            <parent id="11697">UXPROD-1814</parent>
                                    <priority id="10002" iconUrl="https://dev.folio.org/assets/jira-priority/jira-p3.svg">P3</priority>
                        <status id="6" iconUrl="https://folio-org.atlassian.net/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="green"/>
                                    <resolution id="10001">Duplicate</resolution>
                                                        <assignee accountid="557058:b8e64633-1f7c-402d-9caf-9959a5ba5d0d">Jakub Skoczen</assignee>
                                                                <reporter accountid="557058:f80403de-e149-421e-8750-af45c853402f">Charlotte Whitt</reporter>
                                    <labels>
                            <label>Support</label>
                            <label>platform-backlog</label>
                            <label>round_iv</label>
                    </labels>
                <created>Mon, 2 Nov 2020 08:31:23 +0000</created>
                <updated>Wed, 27 Apr 2022 09:29:50 +0000</updated>
                            <resolved>Mon, 14 Jun 2021 20:27:42 +0000</resolved>
                                                                        <due></due>
                            <votes>0</votes>
                                    <watches>17</watches>
                                                                <comments>
                                                            <comment id="17666" author="62a96ae7192edb006f9f1bf9" created="Mon, 14 Jun 2021 20:27:42 +0000"  >&lt;p&gt;After talking with &lt;a href=&quot;https://folio-org.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Ab8e64633-1f7c-402d-9caf-9959a5ba5d0d&quot; class=&quot;user-hover&quot; rel=&quot;557058:b8e64633-1f7c-402d-9caf-9959a5ba5d0d&quot; data-account-id=&quot;557058:b8e64633-1f7c-402d-9caf-9959a5ba5d0d&quot; accountid=&quot;557058:b8e64633-1f7c-402d-9caf-9959a5ba5d0d&quot; rel=&quot;noreferrer&quot;&gt;Jakub Skoczen&lt;/a&gt;, I have decided to close this feature. 
    &lt;span class=&quot;jira-issue-macro resolved&quot; data-jira-key=&quot;UXPROD-1752&quot; &gt;
                &lt;a href=&quot;https://folio-org.atlassian.net/browse/UXPROD-1752&quot; class=&quot;jira-issue-macro-key issue-link&quot;  title=&quot;Prevent update conflicts (via optimistic locking): platform support for detection&quot; &gt;
            &lt;img class=&quot;icon&quot; src=&quot;https://folio-org.atlassian.net/rest/api/2/universal_avatar/view/type/issuetype/avatar/10322?size=medium&quot; /&gt;
            UXPROD-1752
        &lt;/a&gt;
                                                    &lt;span class=&quot;aui-lozenge aui-lozenge-subtle aui-lozenge-success jira-macro-single-issue-export-pdf&quot;&gt;Closed&lt;/span&gt;
            &lt;/span&gt;
 will/have addressed the work to prevent conflicts. Each app/dev team will create a feature(s) to implement the work noted with 
    &lt;span class=&quot;jira-issue-macro resolved&quot; data-jira-key=&quot;UXPROD-1752&quot; &gt;
                &lt;a href=&quot;https://folio-org.atlassian.net/browse/UXPROD-1752&quot; class=&quot;jira-issue-macro-key issue-link&quot;  title=&quot;Prevent update conflicts (via optimistic locking): platform support for detection&quot; &gt;
            &lt;img class=&quot;icon&quot; src=&quot;https://folio-org.atlassian.net/rest/api/2/universal_avatar/view/type/issuetype/avatar/10322?size=medium&quot; /&gt;
            UXPROD-1752
        &lt;/a&gt;
                                                    &lt;span class=&quot;aui-lozenge aui-lozenge-subtle aui-lozenge-success jira-macro-single-issue-export-pdf&quot;&gt;Closed&lt;/span&gt;
            &lt;/span&gt;
 &lt;/p&gt;

&lt;p&gt;
    &lt;span class=&quot;jira-issue-macro&quot; data-jira-key=&quot;UXPROD-2994&quot; &gt;
                &lt;a href=&quot;https://folio-org.atlassian.net/browse/UXPROD-2994&quot; class=&quot;jira-issue-macro-key issue-link&quot;  title=&quot;Optimistic Locking: coordinate rollout of &amp;quot;failOnConflict&amp;quot; to selected modules and APIs&quot; &gt;
            &lt;img class=&quot;icon&quot; src=&quot;https://folio-org.atlassian.net/rest/api/2/universal_avatar/view/type/issuetype/avatar/10322?size=medium&quot; /&gt;
            UXPROD-2994
        &lt;/a&gt;
                                                    &lt;span class=&quot;aui-lozenge aui-lozenge-subtle aui-lozenge-complete jira-macro-single-issue-export-pdf&quot;&gt;Open&lt;/span&gt;
            &lt;/span&gt;
 outlines the work to implement optimistic locking (OL) for the Inventory app. It is the first app to implement OL and will serve as the pattern for dev teams to apply OL to their apps/systems.  &lt;/p&gt;</comment>
                    </comments>
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                                                                <inwardlinks description="is blocked by">
                                        <issuelink>
            <issuekey id="57414">RMB-719</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="11061">UXPROD-1752</issuekey>
        </issuelink>
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                                    </issuelinktype>
                            <issuelinktype id="10008">
                    <name>Defines</name>
                                            <outwardlinks description="defines">
                                        <issuelink>
            <issuekey id="13637">UXPROD-3058</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is defined by ">
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            <issuekey id="56272">MODINVSTOR-713</issuekey>
        </issuelink>
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                    <name>Relates</name>
                                            <outwardlinks description="relates to">
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        </issuelink>
            <issuelink>
            <issuekey id="38351">DEBT-1</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="57058">RMB-388</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="25916">UIREQ-344</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="46668">UIIN-730</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="79654">FOLIO-2027</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="56101">MODINVSTOR-516</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="12057">UXPROD-3089</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="11584">UXPROD-2798</issuekey>
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