Date: Fri, 28 Sep 2012 08:29:07 -0700 (PDT)
From: Kay <kay....@10gen.com>
To: mongodb-user@googlegroups.com
Message-Id: <80802222-7e64-4870-8d8d-add5cbed302d@googlegroups.com>
In-Reply-To: <dddc4209-226e-4665-9c40-e0ccffa7f0be@googlegroups.com>
References: <dddc4209-226e-4665-9c40-e0ccffa7f0be@googlegroups.com>
Subject: Re: Mongo Map/Reduce
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Hi Maruthi -
by limitations, are you worried about performance issues?  If you could 
parallelize the map-reduce operation, or depending upon what you want to 
do, perhaps you can use the aggregation framework.  

Regards,

Kay



On Friday, September 28, 2012 2:30:43 AM UTC-4, Maruthi Shanmugam wrote:
>
> Hi,
>
> We need to understand the Map/reduce limitation in sharded environments. 
> Can you please let us know the same? We are planning to use across 100 
> clusters. 
>
> Regards
> Maruthi S
>

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Hi Maruthi -<div>by limitations, are you worried about performance issues? =
&nbsp;If you could parallelize the map-reduce operation, or depending upon =
what you want to do, perhaps you can use the aggregation framework. &nbsp;<=
/div><div><br></div><div>Regards,</div><div><br></div><div>Kay</div><div><b=
r></div><div><br></div><div><br>On Friday, September 28, 2012 2:30:43 AM UT=
C-4, Maruthi Shanmugam wrote:<blockquote class=3D"gmail_quote" style=3D"mar=
gin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;"><=
font color=3D"#0000ff">Hi,</font><div><font color=3D"#0000ff"><br></font></=
div><div><font color=3D"#0000ff">We need to understand the Map/reduce limit=
ation in sharded environments.&nbsp;</font></div><div><font color=3D"#0000f=
f">Can you please let us know the same? We are planning to use across 100 c=
lusters.&nbsp;</font></div><div><font color=3D"#0000ff"><br></font></div><d=
iv><font color=3D"#0000ff">Regards</font></div><div><font color=3D"#0000ff"=
>Maruthi S</font></div></blockquote></div>
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