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Date: Wed, 2 Apr 2014 14:39:00 +0800
Message-ID: 
 <CAHNAVbu=ENP-Aj_GkyFHto7eyFUKObwKrsLVP6oH5T0=dRSX6A@mail.gmail.com>
Subject: Re: dfs.client.domain.socket.data.traffic
From: =?GB2312?B?sfbA8r3w?= <binlijin@gmail.com>
To: user@hadoop.apache.org
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My mistake, if the client is co-located with the data, was the client get
the data through UNIX domain sockets?


2014-04-02 14:35 GMT+08:00 Mingjiang Shi <mshi@gopivotal.com>:

> How do you define "all normal data traffic"? The short circuit is only
> possible in cases where the client is co-located with the data.
>
>
> On Wed, Apr 2, 2014 at 2:27 PM, =B1=F6=C0=F2=BD=F0 <binlijin@gmail.com> w=
rote:
>
>> If we configure the following conf,  is all normal data traffic pass ove=
r
>> UNIX domain sockets?
>> <property>
>>   <name>dfs.client.read.shortcircuit</name>
>>   <value>true</value>
>> </property>
>> <property>
>>   <name>dfs.domain.socket.path</name>
>>   <value>/var/lib/hadoop/dn_socket</value>
>> </property>
>> <property>
>>   <name>dfs.client.domain.socket.data.traffic</name>
>>   <value>true</value>
>> </property>
>>
>> --
>> *Best Regards,*
>>  lijin bin
>>
>
>
>
> --
> Cheers
> -MJ
>



--=20
*Best Regards,*
 lijin bin

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<div dir=3D"ltr">My mistake, if the&nbsp;<span style=3D"font-family:arial,s=
ans-serif">client is co-located with the data, was the client get the data =
through&nbsp;</span><span style=3D"font-family:Verdana,Helvetica,Arial,sans=
-serif;font-size:18.01801872253418px;line-height:15.578078269958496px">UNIX=
&nbsp;domain sockets?</span></div>
<div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">2014-04-02 14=
:35 GMT+08:00 Mingjiang Shi <span dir=3D"ltr">&lt;<a href=3D"mailto:mshi@go=
pivotal.com" target=3D"_blank">mshi@gopivotal.com</a>&gt;</span>:<br><block=
quote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc=
 solid;padding-left:1ex">
<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">How=
 do you define &quot;<span style=3D"line-height:15.5938px;font-size:12px;fo=
nt-family:Verdana,Helvetica,Arial,sans-serif">all normal data traffic</span=
>&quot;? The short circuit is only possible in cases where the client is co=
-located with the data. <br>


</div></div><div class=3D"gmail_extra"><div><div class=3D"h5"><br><br><div =
class=3D"gmail_quote">On Wed, Apr 2, 2014 at 2:27 PM, =B1=F6=C0=F2=BD=F0 <s=
pan dir=3D"ltr">&lt;<a href=3D"mailto:binlijin@gmail.com" target=3D"_blank"=
>binlijin@gmail.com</a>&gt;</span> wrote:<br>


<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">If we configure the followi=
ng conf,&nbsp;<span style=3D"line-height:15.59375px;font-size:12px;font-fam=
ily:Verdana,Helvetica,Arial,sans-serif">&nbsp;is all normal data traffic&nb=
sp;</span><span style=3D"line-height:15.578078269958496px;font-size:18.0180=
1872253418px;font-family:Verdana,Helvetica,Arial,sans-serif">pass&nbsp;</sp=
an><span style=3D"line-height:15.59375px;font-size:12px;font-family:Verdana=
,Helvetica,Arial,sans-serif">over UNIX&nbsp;domain sockets?</span><br clear=
=3D"all">



<div><div>&lt;property&gt;</div><div>&nbsp; &lt;name&gt;dfs.client.read.sho=
rtcircuit&lt;/name&gt;</div><div>&nbsp; &lt;value&gt;true&lt;/value&gt;</di=
v><div>&lt;/property&gt;</div><div>&lt;property&gt;</div><div>&nbsp; &lt;na=
me&gt;dfs.domain.socket.path&lt;/name&gt;</div>



<div>&nbsp; &lt;value&gt;/var/lib/hadoop/dn_socket&lt;/value&gt;</div><div>=
&lt;/property&gt;</div><div>&lt;property&gt;</div><div>&nbsp; &lt;name&gt;d=
fs.client.domain.socket.data.traffic&lt;/name&gt;</div><div>&nbsp; &lt;valu=
e&gt;true&lt;/value&gt;</div>



<div>&lt;/property&gt;</div></div><span><font color=3D"#888888"><div><br></=
div>-- <br><i style=3D"font-family:&#39;trebuchet ms&#39;,sans-serif"><span=
 style=3D"color:rgb(31,73,125)" lang=3D"EN-US">Best=20
Regards,</span></i><br>&nbsp;lijin bin
</font></span></div>
</blockquote></div><br><br clear=3D"all"><br></div></div><span class=3D"HOE=
nZb"><font color=3D"#888888">-- <br><div dir=3D"ltr"><div>Cheers<br></div>-=
MJ<br></div>
</font></span></div>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><i style=3D"=
font-family:trebuchet ms,sans-serif"><span style=3D"color:rgb(31,73,125)" l=
ang=3D"EN-US">Best=20
Regards,</span></i><br>&nbsp;lijin bin
</div>

--e89a8f3bae6734873d04f6098a93--