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Subject: Re: Why LineRecordWriter.write(..) is synchronized
From: Sathwik B P <sathwik.bp@gmail.com>
To: user@hadoop.apache.org
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--047d7bdc0774b7a94204e36ad8a6
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Hi,
Thanks for your reply.
May I know where does hadoop fork multiple threads to use a single
RecordWriter.

regards,
sathwik

On Thu, Aug 8, 2013 at 7:06 AM, Azuryy Yu <azuryyyu@gmail.com> wrote:

> because we may use multi-threads to write a single file.
> On Aug 8, 2013 2:54 PM, "Sathwik B P" <sathwik@apache.org> wrote:
>
>> Hi,
>>
>> LineRecordWriter.write(..) is synchronized. I did not find any other
>> RecordWriter implementations define the write as synchronized.
>> Any specific reason for this.
>>
>> regards,
>> sathwik
>>
>

--047d7bdc0774b7a94204e36ad8a6
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Content-Transfer-Encoding: quoted-printable

Hi,<br>Thanks for your reply.<br>May I know where does hadoop fork multiple=
 threads to use a single RecordWriter.<br><br>regards,<br>sathwik<br><br><d=
iv class=3D"gmail_quote">On Thu, Aug 8, 2013 at 7:06 AM, Azuryy Yu <span di=
r=3D"ltr">&lt;<a href=3D"mailto:azuryyyu@gmail.com" target=3D"_blank">azury=
yyu@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"><p dir=3D"ltr">because we may use multi-thre=
ads to write a single file.</p><div class=3D"HOEnZb"><div class=3D"h5">
<div class=3D"gmail_quote">On Aug 8, 2013 2:54 PM, &quot;Sathwik B P&quot; =
&lt;<a href=3D"mailto:sathwik@apache.org" target=3D"_blank">sathwik@apache.=
org</a>&gt; wrote:<br type=3D"attribution"><blockquote class=3D"gmail_quote=
" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

Hi,<br><br>LineRecordWriter.write(..) is synchronized. I did not find any o=
ther RecordWriter implementations define the write as synchronized.<br>Any =
specific reason for this.<br><br>regards,<br>sathwik<br>
</blockquote></div>
</div></div></blockquote></div><br>

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