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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>
    </build-info>


<item>
            <title>[SERVER-10101] Make log files more machine-parsable</title>
                <link>https://jira.mongodb.org/browse/SERVER-10101</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently it is hard to automatically parse mongod and mongos logfiles due to little inconsistencies and ambiguities that can easily be fixed.&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;numYields&quot;&gt;&lt;/a&gt;numYields&lt;/h4&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;   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;Wed Sep 05 18:17:35 [conn106842] getmore test.docs query: { ps: 3 } cursorid:77621193264928 ntoreturn:0 keyUpdates:0 numYields: 7 locks(micros) r:12009 nreturned:1044 reslen:2628447 15ms&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;p/&gt;

&lt;p&gt;Most counters like &lt;tt&gt;ntoreturn:1&lt;/tt&gt;, &lt;tt&gt;nreturned:1&lt;/tt&gt;, ... have no space after the colon, but &lt;tt&gt;numYields: 1&lt;/tt&gt; does have a space after the colon, making its value a separate token when splitting the line on spaces. Please remove the space after &lt;tt&gt;numYields:&lt;/tt&gt;.&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;Spacebefore%22ms%22&quot;&gt;&lt;/a&gt;Space before &quot;ms&quot;&lt;/h4&gt;

&lt;p&gt;Most timed operations print their duration as &lt;tt&gt;###ms&lt;/tt&gt;  (#=digit). Some, however, have a space before the &lt;tt&gt;ms&lt;/tt&gt;.&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;   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;Wed Sep 05 18:56:05 [DataFileSync] FlushViewOfFile for F:/data/local.3 failed with error 1 after 1 attempts taking 933 ms&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;Please remove the space. As this is a counter like the ones above, it would also make sense to replace this with &lt;tt&gt;duration:###&lt;/tt&gt; instead for consistency.&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;read%2Fwritelocksyntax&quot;&gt;&lt;/a&gt;read/write lock syntax&lt;/h4&gt;
&lt;p&gt;The read and write lock microsecond numbers currently have this syntax:&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;   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;Wed Jun 19 13:48:13.454 [conn2] insert test.docs ninserted:1 keyUpdates:0 locks(micros) w:231001 230ms&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 &lt;tt&gt;w:&lt;/tt&gt; is ambiguous with for example the getlasterror command with write concern. The actual indicator &lt;tt&gt;locks(micros)&lt;/tt&gt; is a separate and not very useful token.&lt;/p&gt;

&lt;p&gt;Suggestion: remove the &lt;tt&gt;locks(micros)&lt;/tt&gt; and rename the actual &lt;tt&gt;w:&lt;/tt&gt; and &lt;tt&gt;r:&lt;/tt&gt; labels to &lt;tt&gt;wlock:&lt;/tt&gt; and &lt;tt&gt;rlock:&lt;/tt&gt;.&lt;/p&gt;


&lt;h4&gt;&lt;a name=&quot;ServerRestarted&quot;&gt;&lt;/a&gt;Server Restarted&lt;/h4&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;
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					&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;  &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;  &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;  &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;***** SERVER RESTARTED *****&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;  &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;  &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;Instead of the two empty lines before and after the server restarted messages, it should be in one single line, with a date and time like all the other lines.&lt;/p&gt;


&lt;p&gt;These are trivial changes but would be very useful for machine parsing.&lt;/p&gt;
</description>
                <environment></environment>
        <key id="81300">SERVER-10101</key>
            <summary>Make log files more machine-parsable</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="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="9">Done</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="thomas.rueckstiess@mongodb.com">Thomas Rueckstiess</reporter>
                        <labels>
                            <label>pull-request</label>
                    </labels>
                <created>Fri, 5 Jul 2013 00:40:38 +0000</created>
                <updated>Mon, 11 Jul 2016 17:38:23 +0000</updated>
                            <resolved>Tue, 27 Aug 2013 18:40:10 +0000</resolved>
                                                    <fixVersion>2.5.2</fixVersion>
                                    <component>Logging</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="412462" author="matt.kangas@10gen.com" created="Tue, 27 Aug 2013 18:40:10 +0000"  >&lt;p&gt;Whitespace changes shipped in 2.5.2.&lt;/p&gt;

&lt;p&gt;Remaining changes (&quot;duration:###&quot;, change &quot;w:&quot; to &quot;wlock&quot;, etc) were vetoed by Eliot.&lt;/p&gt;</comment>
                            <comment id="394863" author="matt.kangas@10gen.com" created="Fri, 2 Aug 2013 21:36:00 +0000"  >&lt;p&gt;Whitespace issues resolved &amp;amp; merged in 07faf6e.&lt;/p&gt;

&lt;p&gt;The syntactic changes (&quot;duration:&quot;, &quot;wlock:&quot;, etc) are less likely to be approved, will address when Thomas is in NYC next week.&lt;/p&gt;</comment>
                            <comment id="394859" author="auto" created="Fri, 2 Aug 2013 21:32:06 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;edaniels&apos;, u&apos;name&apos;: u&apos;Eric Daniels&apos;, u&apos;email&apos;: u&apos;eric.daniels@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-10101&quot; title=&quot;Make log files more machine-parsable&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-10101&quot;&gt;&lt;del&gt;SERVER-10101&lt;/del&gt;&lt;/a&gt; fixed whitespace issues&lt;/p&gt;

&lt;p&gt;Signed-off-by: Matt Kangas &amp;lt;matt.kangas@10gen.com&amp;gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/07faf6eef1d11d0cf9cff3c527dc98656d8f2a21&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/07faf6eef1d11d0cf9cff3c527dc98656d8f2a21&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="394835" author="eric.daniels@10gen.com" created="Fri, 2 Aug 2013 20:58:35 +0000"  >&lt;p&gt;pull request url: &lt;a href=&quot;https://github.com/mongodb/mongo/pull/469&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/pull/469&lt;/a&gt; this is for the spaces fix&lt;/p&gt;</comment>
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            <issuekey id="31532">SERVER-5092</issuekey>
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