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List:       hadoop-user
Subject:    Re: What's the max number of open connections for namenode ipc port?
From:       zhankun tang <tangzhankun () gmail ! com>
Date:       2018-10-24 9:31:26
Message-ID: CAF5pKXFuxTyBj20XKXTJSb639qbpjfXP8v_GZE=ohvZ377cOcA () mail ! gmail ! com
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Meilong,

Yeah. You can configure it with "ipc.server.max.connections" in
core-site.xml. Check this in details:
https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-common/core-default.xml

Zhankun
Best Regards

On Wed, 24 Oct 2018 at 12:18, Huang Meilong <imsrch@outlook.com> wrote:

> Hi,
>
>
> I can get the current number of open connections via hadoop metrics
> interface(rpc.namenode.8020.NumOpenConnections), I wonder what's the max
> number of open connections for namenode IPC port? Can I specify it in
> configuration files?
>
>
> Thanks,
>
> HUANG
>

[Attachment #3 (text/html)]

<div dir="ltr"><div dir="ltr">Meilong,</div><div dir="ltr"><br><div>Yeah. You can \
configure it with &quot;ipc.server.max.connections&quot; in core-site.xml. Check this \
in details:</div><div><a \
href="https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-common/core-def \
ault.xml">https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-common/core-default.xml</a></div><div><br></div><div>Zhankun</div><div>Best \
Regards</div></div></div><br><div class="gmail_quote"><div dir="ltr">On Wed, 24 Oct \
2018 at 12:18, Huang Meilong &lt;<a \
href="mailto:imsrch@outlook.com">imsrch@outlook.com</a>&gt; \
wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 \
.8ex;border-left:1px #ccc solid;padding-left:1ex">




<div dir="ltr">
<div id="m_7850795163499100043divtagdefaultwrapper" \
style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif" \
dir="ltr"> <p style="margin-top:0;margin-bottom:0">Hi,</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">I can get the current number of open \
connections via hadoop metrics \
interface(<span>rpc.namenode.8020.NumOpenConnections</span>), I wonder what&#39;s the \
max number of open connections for namenode IPC port? Can I specify  it in \
configuration files?</p> <p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">Thanks,</p>
<p style="margin-top:0;margin-bottom:0">HUANG</p>
</div>
</div>

</blockquote></div>



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