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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-38423] Prepared transaction stats should not go at end of slow transaction log message</title>
                <link>https://jira.mongodb.org/browse/SERVER-38423</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, when we log a slow transaction that was prepared, the log message looks like the following:&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2018-12-05T15:41:19.094-0500 I TXN      [main] transaction parameters:{ lsid: { id: UUID(&quot;d0b94b7f-b11c-455a-a276-588b2c4a866f&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB924&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;27AE41E4649B934CA495991B7852B855) }, txnNumber: 20, autocommit: false, readConcern: { level: &quot;snapshot&quot; } }, readTimestamp:Timestamp(0, 0), keysExamined:1 docsExamined:1 nMatched&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;:1 nModified:1 ninserted:1 ndeleted:1 nmoved:1 keysInserted:1 keysDeleted:1 prepareReadConflicts:1 writeConflicts:1 terminationCause:aborted timeActiveMicros:0 timeInactiveMicros&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;:11000 numYields:0 locks:{ Global: { acquireCount: { r: 7, w: 9 } }, Database: { acquireCount: { r: 1, w: 1, W: 2 } }, Collection: { acquireCount: { R: 1 } }, oplog: { acquireCou&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;nt: { W: 1 } } } 11ms wasPrepared:0&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;The total transaction duration is &lt;a href=&quot;https://github.com/mongodb/mongo/blob/04ba7e4186bff4d58558b63855291718d97ee35f/src/mongo/db/transaction_participant.cpp#L1519-L1527&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;no longer the final metric that is printed&lt;/a&gt;, and this breaks with the convention of matching the traditional slow operation logging format. The extra &quot;prepare&quot; info should go in the middle of the log message, and we should leave the total duration at the end.&lt;/p&gt;</description>
                <environment></environment>
        <key id="645127">SERVER-38423</key>
            <summary>Prepared transaction stats should not go at end of slow transaction log message</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="judah.schvimer@mongodb.com">Judah Schvimer</assignee>
                                    <reporter username="william.schultz@mongodb.com">William Schultz</reporter>
                        <labels>
                            <label>prepare_diagnostics</label>
                    </labels>
                <created>Wed, 5 Dec 2018 20:44:45 +0000</created>
                <updated>Sun, 29 Oct 2023 22:26:05 +0000</updated>
                            <resolved>Tue, 22 Jan 2019 16:56:28 +0000</resolved>
                                                    <fixVersion>4.1.8</fixVersion>
                                    <component>Replication</component>
                                        <votes>1</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="2122910" author="xgen-internal-githook" created="Tue, 22 Jan 2019 16:54:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;judahschvimer&apos;, &apos;email&apos;: &apos;judah@mongodb.com&apos;, &apos;name&apos;: &apos;Judah Schvimer&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39083&quot; title=&quot;transaction info for log should include all relevant optimes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39083&quot;&gt;&lt;del&gt;SERVER-39083&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-38423&quot; title=&quot;Prepared transaction stats should not go at end of slow transaction log message&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-38423&quot;&gt;&lt;del&gt;SERVER-38423&lt;/del&gt;&lt;/a&gt; improve transaction stats for slow transaction logs&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/38f7e69c879296f6b779bc4a3f80ba47ea6cbd9d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/38f7e69c879296f6b779bc4a3f80ba47ea6cbd9d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2085372" author="bruce.lucas@10gen.com" created="Mon, 10 Dec 2018 13:46:01 +0000"  >&lt;p&gt;Would the most logical thing be to group it with other existing transaction-related fields, e.g. &lt;tt&gt;prepareReadConflicts&lt;/tt&gt;, &lt;tt&gt;terminationCause&lt;/tt&gt;, or &lt;tt&gt;parameters?&lt;/tt&gt;&#160;(I&apos;m not sure whether those are very logically grouped currently, but I think at least we shouldn&apos;t make it worse.)&lt;/p&gt;</comment>
                            <comment id="2085107" author="judah.schvimer" created="Sun, 9 Dec 2018 22:39:09 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=bruce.lucas&quot; class=&quot;user-hover&quot; rel=&quot;bruce.lucas&quot;&gt;bruce.lucas&lt;/a&gt;, do you have a preference for where in the log message &lt;tt&gt;wasPrepared&lt;/tt&gt; should go? Does right before the 11ms above make sense?&lt;/p&gt;</comment>
                            <comment id="2083904" author="bruce.lucas@10gen.com" created="Fri, 7 Dec 2018 15:30:46 +0000"  >&lt;p&gt;I would like to raise this to P3 and 4.1 required. This is essential for tools that parse log files.&lt;/p&gt;</comment>
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