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The following page has been changed by udanax: http://wiki.apache.org/lucene-hadoop/HbaseShell ------------------------------------------------------------------------------ I expect Hadoop + Hbase to handle sparsity and data explosion very well in near future. [[BR]]Moreover, i believe the design of the multi-dimensional structure and the 3-dim space model of the data are [[BR]]optimized for rapid ad-hoc information retrieval in any orientation, as well as for fast, flexible calculation and transformation of [[BR]]raw data based on formulaic relationships. - Then, I think it requires a user-friendly interface to enable querying the data interactive. + Then, I thought it would require a more user-friendly interface to enable querying the data interactive. - [[BR]]So, I began building parallel processing shell to help make general algebraic and logical data modeling works easier on Hadoop + Hbase + [[BR]]So, I began building parallel processing shell [[BR]]to help make general algebraic and logical data modeling works easier on Hadoop + Hbase - -- ''If you could give me an opinion on the above ideas, it would be great.'' + . -- ''If you could give me an opinion on the above ideas, it would be great.'' - == Rationale == ==== Syntax Definition ==== + + command list + + ||<#ececec> '''Command''' ||<#ececec> '''Description''' || + ||SHOW ||<99%>Show command provides information about argument.[[BR]][[BR]]~-''SHOW [TABLES]''-~ || + ||CREATE ||Creating a new table.[[BR]][[BR]]~-''CREATE table_name[[BR]]COLUMNFAMILIES('columnfamily_name1'[, 'columnfamily_name2', ...])[[BR]]LIMIT=limitNumber_of_Version;''-~ || + ||DROP ||Removing table or tables.[[BR]][[BR]]~-''DROP table_name1[, table_name2, ...];''-~ || + ||SET ||Inserting or add a row of data into the table.[[BR]][[BR]]~-''SET table_name[[BR]] VALUES('columnfamily_name:column_key','entry')[[BR]]WHERE row="row_key";''-~ || + ||SELECT ||Query the Hbase and retrieve selected data.[[BR]][[BR]]~-''SELECT table_name[[BR]][WHERE row="row_key"][[BR]][AND column="columnfamily_name:column_key"];[[BR]][AND time="Specified_Timestamp"];[[BR]][LIMIT=Number_of_Version];''-~ || + ||... ||... || + ==== Architecture ==== == Involved == - If you find HbaseShell as interesting as we do, consider joining our team. - * [wiki:udanax Edward Yoon] [EMAIL PROTECTED] * Sewon Kim [EMAIL PROTECTED] * Wonhyung Cha [EMAIL PROTECTED]
