| Package | Description | 
|---|---|
| org.apache.hadoop.hbase.master.normalizer | The Region Normalizer subsystem is responsible for coaxing all the regions in a table toward
 a "normal" size, according to their storefile size. | 
| org.apache.hadoop.hbase.regionserver | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | RegionNormalizerManagerThis class encapsulates the details of the  RegionNormalizersubsystem. | 
| (package private) class  | RegionNormalizerWorkerConsumes normalization request targets ( TableNames) off theRegionNormalizerWorkQueue, dispatches them to theRegionNormalizer,
 and executes the resultingNormalizationPlans. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | CompactSplitCompact region on request and then run split if appropriate | 
| class  | HMobStoreThe store implementation to save MOBs (medium objects), it extends the HStore. | 
| class  | HRegionRegions store data for a certain region of a table. | 
| class  | HStoreA Store holds a column family in a Region. | 
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