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[expand - 1 more] - Re: FILE_BYTES_READ counter missing for HBase mapreduce job - HBase - [mail # user]
...Addition info: The mapreduce job I run is a map-only job. It does not have reducers and it write data directly to hdfs in the mapper.  Could this be the reason why there's no value for ...
   Author: Haijia Zhou, 2013-09-05, 18:50
Re: Is "synchronized" required? - HBase - [mail # user]
...Hi, Bing,   Not sure about your scenario but HTable class is not thread safe for neither reads nor write.  If you consider writing/reading from a table in a multiple-threaded way, ...
   Author: Haijia Zhou, 2013-02-04, 20:42
[expand - 1 more] - Re: Show job progress when using JDBC to run HIVE query - Hive - [mail # user]
...Thanks a lot for all the answers and suggestions. Looks like one hacky workaround is to check the hadoop task status. But for my project it's way too much cost.   On Mon, Sep 17, 2012 a...
   Author: Haijia Zhou, 2012-09-17, 13:24
subscribe - Hive - [mail # user]
...I would like to subscribe to Hive user mail list...
   Author: Haijia Zhou, 2012-09-06, 20:32
Question about regions splitting - HBase - [mail # user]
...I have a question about how regions split. Let's say we have a 2GB region and upon splitting the region will be splitted into two 1GB sub-regions. My first question is: will the two 1GB sub-...
   Author: Haijia Zhou, 2012-07-20, 21:44
[expand - 1 more] - Re: Is htable.delete(List<Delete>) transactional? - HBase - [mail # user]
...I see, thanks a lot!  On Mon, Apr 16, 2012 at 7:41 PM, Ian Varley  wrote:  ...
   Author: Haijia Zhou, 2012-04-16, 23:47
Re: Scan.addFamiliy reduces results - HBase - [mail # user]
...I have the same confusion. Say if I added three column families A, B anc C to the scan, now if a row has data for column family B and C but no data for A, then it won't be returned  in ...
   Author: Haijia Zhou, 2012-03-15, 17:12
[expand - 1 more] - Re: Question regarding filtering by column families - HBase - [mail # user]
...sorry, the "*" is typo, or caused by copy-and-paste-from-eclipse  On Tue, Mar 6, 2012 at 1:59 PM, T Vinod Gupta  wrote:  ...
   Author: Haijia Zhou, 2012-03-06, 19:16
[expand - 1 more] - RE: hbase delete operation is very slow - HBase - [mail # user]
...Thanks for the suggestion. I did use List with size 1000, actually  the performance was not that different from deleting one row at a time. I investigated HRegion.delete() method, my un...
   Author: Haijia Zhou, 2012-02-22, 15:02
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