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Posted to common-commits@hadoop.apache.org by Apache Wiki <wi...@apache.org> on 2008/02/10 02:52:45 UTC

[Hadoop Wiki] Update of "Hbase/HbaseShell/HQL" by BryanDuxbury

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The following page has been changed by BryanDuxbury:
http://wiki.apache.org/hadoop/Hbase/HbaseShell/HQL

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  ''This sets a 'parallel' property on whole table (could be just a column?)?  Whats this do? When you do selects, does MR job?  St.Ack''
  
+ ''Why is the parallel option an attribute of the table? Isn't it an attribute of the query? Setting the size of the m/r job for the whole table seems inefficient. bryanduxbury''
+ 
  === Data Loading ===
  HQL Loader utility loads data into Hbase tables from external files. If you have a large amount of data to load, HQL Loader's parallel support can dramatically reduce the elapsed time needed to perform that load.
  
@@ -66, +68 @@

  
  
  ''Why not do something like mysql where it loads and dumps a near-binary format?  Problem w/ above is what to do if cell has tab or new-line in it?  St.Ack''
+ 
+ ''Is this best implemented as part of the shell? Why not have a bin/hbase loader that takes the options on the command line? bryanduxbury''
+ 
  === Data Dumping ===