When creating a column mapping in hive all the data is being saved to the metastore. Example of a hive hbase column mapping: CREATE EXTERNAL TABLE hivetableName(Col String, Col1 String) STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler' WITH SERDEPROPERTIES ("hbase.columns.mapping" = "colFamily:Col, colFamily:Col") TBLPROPERTIES("hbase.table.name" … Continue reading
When resizing a VirtualBox image you may face the error “Resize hard disk operation for this format is not implemented yet!”. You can fix this by doing a convert to the VDI disk format before trying to resize it. It … Continue reading
Started working on my master thesis with the title: Analysis of migrating a MySQL based data warehouse and monitoring system to hadoop Most relevant books and papers: Hadoop The Definitive Guide 2nd Edition and HBase The Definitive Guide Hive – … Continue reading