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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-16690] All inserts are delayed by 5 sec when mongos wants to auto-split and the first config server is in the TCP blackhole</title>
                <link>https://jira.mongodb.org/browse/SERVER-16690</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;ol&gt;
	&lt;li&gt;start a new cluster with 3 config servers and one shard&lt;/li&gt;
	&lt;li&gt;create a new sharded collection&lt;/li&gt;
	&lt;li&gt;do some finds - all are fast (less than a second)&lt;/li&gt;
	&lt;li&gt;block the first config server with iptables --DROP&lt;/li&gt;
	&lt;li&gt;create a new connection&lt;/li&gt;
	&lt;li&gt;try finds on the new and the existing connections - all are fast&lt;/li&gt;
	&lt;li&gt;try inserts on the new and the existing connections - all are 5s&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;Test-case in python is attached (uses my own &lt;a href=&quot;https://github.com/adkomyagin/mongo-docker&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;mongo-docker&lt;/a&gt; framework). LogLevel 5 logs too.&lt;/p&gt;</description>
                <environment></environment>
        <key id="176401">SERVER-16690</key>
            <summary>All inserts are delayed by 5 sec when mongos wants to auto-split and the first config server is in the TCP blackhole</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</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="3">Duplicate</resolution>
                                        <assignee username="max.hirschhorn@mongodb.com">Max Hirschhorn</assignee>
                                    <reporter username="alex.komyagin@mongodb.com">Alexander Komyagin</reporter>
                        <labels>
                    </labels>
                <created>Mon, 29 Dec 2014 22:59:48 +0000</created>
                <updated>Fri, 20 Nov 2015 16:34:27 +0000</updated>
                            <resolved>Fri, 20 Nov 2015 16:34:27 +0000</resolved>
                                    <version>2.8.0-rc4</version>
                                                    <component>Sharding</component>
                    <component>Stability</component>
                                        <votes>0</votes>
                                    <watches>11</watches>
                                                                                                                <comments>
                            <comment id="1094396" author="max.hirschhorn@10gen.com" created="Fri, 20 Nov 2015 16:34:27 +0000"  >&lt;p&gt;The scenario described in this ticket now exhibits the same behavior reported in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21531&quot; title=&quot;Shard&amp;#39;s connection blocks forever when attempting autosplit and first config server (SCCC) in TCP blackhole from shards&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21531&quot;&gt;&lt;del&gt;SERVER-21531&lt;/del&gt;&lt;/a&gt; when running with SCCC. Closing as a duplicate.&lt;/p&gt;

&lt;h6&gt;&lt;a name=&quot;BehaviorwhenrunningwithCSRS&quot;&gt;&lt;/a&gt;Behavior when running with CSRS&lt;/h6&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;2015-11-20T11:00:38.814-0500 Write operation 1 of 10 took 2 milliseconds&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;2015-11-20T11:00:38.815-0500 Write operation 2 of 10 took 3 milliseconds&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;2015-11-20T11:00:38.816-0500 Write operation 3 of 10 took 2 milliseconds&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;2015-11-20T11:00:38.818-0500 Write operation 4 of 10 took 3 milliseconds&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;2015-11-20T11:01:08.822-0500 Write operation 5 of 10 took 30005 milliseconds&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;2015-11-20T11:01:08.850-0500 Write operation 6 of 10 took 29 milliseconds&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;2015-11-20T11:01:08.854-0500 Write operation 7 of 10 took 4 milliseconds&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;2015-11-20T11:01:08.856-0500 Write operation 8 of 10 took 2 milliseconds&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;2015-11-20T11:01:08.860-0500 Write operation 9 of 10 took 4 milliseconds&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;2015-11-20T11:01:08.862-0500 Write operation 10 of 10 took 2 milliseconds&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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			&lt;/tbody&gt;
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&lt;/div&gt;
&lt;p/&gt;

&lt;hr /&gt;

&lt;p&gt;git version: 0730c6551c12450884228e383da12a923a396e3e&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10010">
                    <name>Duplicate</name>
                                            <outwardlinks description="duplicates">
                                        <issuelink>
            <issuekey id="240047">SERVER-21531</issuekey>
        </issuelink>
                            </outwardlinks>
                                                        </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="189895">SERVER-17617</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="99200" name="blackhole_first_config_server_from_everyone_and_autosplit.js" size="1485" author="max.hirschhorn@mongodb.com" created="Fri, 20 Nov 2015 16:33:48 +0000"/>
                            <attachment id="60562" name="logs" size="123151" author="alex.komyagin@mongodb.com" created="Mon, 29 Dec 2014 23:00:23 +0000"/>
                            <attachment id="60563" name="tester_case.py" size="3622" author="alex.komyagin@mongodb.com" created="Mon, 29 Dec 2014 23:00:23 +0000"/>
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