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Reading query columns in ExecuteWithHookContext - Hive - [mail # user]
...I am trying to read the columns from hive queries being executed byimplementing the ExecuteWithHookContext hook. This works fine by extractingColumnAccessInfo information from HiveContext (w...
   Author: Adeel Qureshi, 2014-04-15, 02:41
[expand - 1 more] - Re: custom writablecomparable with complex fields - HDFS - [mail # user]
...Okay that makes sense .. so the same order I write is how I can read .. taking it a step further, in the compareto method, how can I use the bytes provided to do a comparison on let's say on...
   Author: Adeel Qureshi, 2013-09-01, 15:43
[expand - 1 more] - Re: WritableComparable.compareTo vs RawComparator.compareTo - HDFS - [mail # user]
...Thanks for the information. So is the reason that makes the raw comparator faster is because we can use the bytes to do the comparison .. so if I use the signature of compareTo in my raw com...
   Author: Adeel Qureshi, 2013-08-31, 16:20
[expand - 4 more] - Re: secondary sort - number of reducers - MapReduce - [mail # user]
...my secondary sort on multiple keys seem to work fine with smaller data sets but with bigger data sets (like 256 gig and 800M+ records) the mapper phase gets done pretty quick (about 15 mins)...
   Author: Adeel Qureshi, 2013-08-30, 15:02
hdfs write files in streaming fashion - Hadoop - [mail # user]
...I have a servlet that receives files in a streaming fashion and our original design was to receive the file in /tmp directory and then move it to hdfs via an external process but that seems ...
   Author: Adeel Qureshi, 2013-08-19, 19:38
joins in hcatalog - Hive - [mail # user]
...is it possible to perform joins via hcatalog api...
   Author: Adeel Qureshi, 2013-08-02, 20:17
- MapReduce - [mail # user]
...Unsubscribe...
   Author: Adeel Qureshi, 2012-08-08, 16:00
Re: Unsubscribe - MapReduce - [mail # user]
...Unsubscribe  On Wed, Aug 8, 2012 at 10:58 AM, TK. Shinohara wrote:  ...
   Author: Adeel Qureshi, 2012-08-08, 16:00
[expand - 4 more] - Re: Writing Reducer output to database - Hadoop - [mail # user]
...yeah and I have that setup correctly ...      //configure database output     job.setOutputFormatClass(DBOutputFormat.class);     DBConfiguration.configure...
   Author: Adeel Qureshi, 2011-02-07, 14:16
[expand - 4 more] - Re: custom writable classes - Hadoop - [mail # user]
...huh this interesting .. obviously I am not thinking about this whole thing right ..  so in your mapper you parse the line into tokens and set the appropriate values on your writable by ...
   Author: Adeel Qureshi, 2011-02-02, 20:34
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