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Why Modified and Deleted Data Can Still Be Queried by Using the Scan Command? Question Why modified and deleted data can still be queried by using the scan command? scan '<table_name>',{FILTER=>"SingleColumnValueFilter('<column_family>','column',=,'binary:<value>')"} Answer Because
Value range N/A Default value N/A delete_when_no_steps No Boolean Explanation Whether to automatically delete the cluster after the job is complete.
Why May a Table Creation Exception Occur When HBase Deletes or Creates the Same Table Consecutively? Question When HBase consecutively deletes and creates the same table, why may a table creation exception occur? Answer Execution process: Disable Table > Drop Table > Create Table
Data in ro and rt Tables Cannot Be Synchronized to a MOR Table Recreated After Being Deleted Using Spark SQL Question After a MOR table is deleted using Spark SQL and then re-created, data in ro and rt tables cannot be synchronized to the MOR table in real time. The following error
Why Does an OBS Quickly Deleted Directory Not Take Effect After Being Added to the Customized Hive Configuration? The error message "java.lang.OutOfMemoryError: Java heap space." is displayed during Hive SQL execution. Solution: For MapReduce tasks, increase the values of the following
