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Re: Using a hard drive instead of - MapReduce - [mail # user]
...Meh.   If you are worried about the memory constraints of a Linux system, I'd  say go with MapR and their CLDB.   I just did a quick look at Supermico servers and found that o...
   Author: Michael Segel, 2012-10-17, 23:27
[expand - 1 more] - Re: Anyone else having problems hitting Apache's site? - MapReduce - [mail # user]
...That's good to know. :-) Now I don't feel so bad.    On Oct 17, 2012, at 11:05 AM, Matt Bornski  wrote:  wrote: browser say it's just you  wrote:  ...
   Author: Michael Segel, 2012-10-17, 16:36
Re: Distributed Cache For 100MB+ Data Structure - MapReduce - [mail # user]
...Build and store the tree in some sort of globally accessible space?   Like HBase, or HDFS?  On Oct 13, 2012, at 9:46 AM, Kyle Moses  wrote:  thoughts on the memory issue....
   Author: Michael Segel, 2012-10-13, 17:53
[expand - 1 more] - Re: Spindle per Cores - MapReduce - [mail # user]
...I think what we are seeing is the ratio based on physical Xeon cores.  So hyper threading wouldn't make any change to  the actual ratio. (1 disk per physical core, would be 1 disk ...
   Author: Michael Segel, 2012-10-13, 02:58
Re: Chaning Multiple Reducers: Reduce -> Reduce -> Reduce - MapReduce - [mail # user]
...Well I was thinking ...   Map -> Combiner -> Reducer -> Identity Mapper -> combiner -> reducer ->  Identity Mapper -> combiner -> reducer...  May make ...
   Author: Michael Segel, 2012-10-08, 19:19
[expand - 1 more] - Re: What is the difference between Rack-local map tasks and Data-local map tasks? - MapReduce - [mail # user]
...Ok,   So what would be the use case for this feature?  I mean when would locality take precedence over job time completion?   On Oct 7, 2012, at 5:46 PM, Harsh J  wrote: ...
   Author: Michael Segel, 2012-10-08, 00:13
Re: Lib conflicts - MapReduce - [mail # user]
...Yup, I hate that when it happens.   You tend to see this more with Avro than anything else.   The issue is that in Java, the first class loaded wins. So when Hadoop  loads 1.4...
   Author: Michael Segel, 2012-10-03, 11:32
Re: Accessing image files from hadoop to jsp - MapReduce - [mail # user]
...Here's one...  Write a Java program which can be accessed on the server side to pull  the picture from HDFS and display it on your JSP.     On Sep 11, 2012, at 3:48 PM, V...
   Author: Michael Segel, 2012-09-12, 02:59
[expand - 2 more] - Re: One petabyte of data loading into HDFS with in 10 min. - MapReduce - [mail # user]
...Well I think the question would make more sense if he meant to say how  one could load a GB file within 10 mins.   Note that 1x10^6 GB are in a PB.  (Hence the comment about b...
   Author: Michael Segel, 2012-09-10, 19:54
Re: how to skip a mapper - MapReduce - [mail # user]
...Maybe. It depends on what you're trying to do.  On Sep 10, 2012, at 6:31 AM, Anit Alexander  wrote:  ...
   Author: Michael Segel, 2012-09-10, 11:34
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