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Subject: Re: setting hdfs balancer bandwidth doesn't work
From: =?GB2312?B?1tzLp7fm?= <zhoushuaifeng@gmail.com>
To: user@hadoop.apache.org
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--001a11c382d4d5ba2604dab045a4
Content-Type: text/plain; charset=ISO-8859-1

I set bandwidthPerSec = 104857600, but when I add a new data node, and run
hadoop balancer, the bandwidth is only 1MB/s, and the datanode log shows
that:
org.apache.hadoop.hdfs.server.
datanode.DataNode: Balancing bandwith is 1048576 bytes/s

My hadoop core version is 1.0.3

Thanks


2013/4/19 Thanh Do <thanhdo@cs.wisc.edu>

> What do you mean by "doesn't work"?
>
>
> On Thu, Apr 18, 2013 at 10:01 AM, zhoushuaifeng <zhoushuaifeng@gmail.com>wrote:
>
>> **
>> Hi,
>> I set the hdfs balance bandwidth from 1048576 to 104857600, but it
>> doesn't work, what's wrong?
>> Does anyone encounter the same problem?
>> Thanks a lot.
>>
>>  <property>
>>   <name>dfs.balance.bandwidthPerSec</name>
>>   <value>104857600</value>
>>   <description>
>>         Specifies the maximum amount of bandwidth that each datanode
>>         can utilize for the balancing purpose in term of
>>         the number of bytes per second.
>>   </description>
>> </property>
>>
>> ------------------------------
>> zhoushuaifeng
>>
>
>

--001a11c382d4d5ba2604dab045a4
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

I set bandwidthPerSec =3D 104857600, but when I add a new data node, and=20
run hadoop balancer, the bandwidth is only 1MB/s, and the datanode log=20
shows that:<br>org.apache.hadoop.hdfs.server.<div id=3D":1s">datanode.DataN=
ode: Balancing bandwith is 1048576 bytes/s <br>
<br>My hadoop core version is 1.0.3<br><br>Thanks</div><br><br><div class=
=3D"gmail_quote">2013/4/19 Thanh Do <span dir=3D"ltr">&lt;<a href=3D"mailto=
:thanhdo@cs.wisc.edu" target=3D"_blank">thanhdo@cs.wisc.edu</a>&gt;</span><=
br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left=
:1px #ccc solid;padding-left:1ex">
<div dir=3D"ltr">What do you mean by &quot;doesn&#39;t work&quot;?</div><di=
v class=3D"HOEnZb"><div class=3D"h5"><div class=3D"gmail_extra"><br><br><di=
v class=3D"gmail_quote">On Thu, Apr 18, 2013 at 10:01 AM, zhoushuaifeng <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:zhoushuaifeng@gmail.com" target=3D"_bl=
ank">zhoushuaifeng@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"><u></u>





<div style=3D"MARGIN:10px">
<div>Hi,</div>
<div>I set the hdfs balance bandwidth from 1048576 to 104857600, but it doe=
sn&#39;t=20
work, what&#39;s wrong?</div>
<div>Does=A0anyone encounter the same problem?</div>
<div>Thanks a lot.</div>
<div>=A0</div>
<div>
<div>&lt;property&gt;</div>
<div>=A0=A0&lt;name&gt;dfs.balance.bandwidthPerSec&lt;/name&gt;</div>
<div>=A0=A0&lt;value&gt;104857600&lt;/value&gt;</div>
<div>=A0=A0&lt;description&gt;</div>
<div>=A0=A0=A0=A0=A0=A0=A0=A0Specifies=A0the=A0maximum=A0amount=A0of=A0band=
width=A0that=A0each=A0datanode</div>
<div>=A0=A0=A0=A0=A0=A0=A0=A0can=A0utilize=A0for=A0the=A0balancing=A0purpos=
e=A0in=A0term=A0of</div>
<div>=A0=A0=A0=A0=A0=A0=A0=A0the=A0number=A0of=A0bytes=A0per=A0second.</div=
>
<div>=A0=A0&lt;/description&gt;</div>
<div>&lt;/property&gt;</div></div>
<div>=A0</div>
<hr style=3D"WIDTH:210px;min-height:1px" size=3D"1" align=3D"left" color=3D=
"#b5c4df"><span><font color=3D"#888888">

<div><span>zhoushuaifeng</span></div></font></span></div>
</blockquote></div><br></div>
</div></div></blockquote></div><br>

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