Map < InternalParquetRecordWriter , Long > function ( ) { return writerList ; }
get the writers list concode_field_sep Map<InternalParquetRecordWriter,Long> writerList concode_elem_sep long DEFAULT_MIN_MEMORY_ALLOCATION concode_elem_sep long totalMemoryPool concode_elem_sep float DEFAULT_MEMORY_POOL_RATIO concode_elem_sep long minMemoryAllocation concode_elem_sep Log LOG concode_elem_sep float memoryPoolRatio concode_field_sep void removeWriter concode_elem_sep void addWriter concode_elem_sep void updateAllocation concode_elem_sep void checkRatio concode_elem_sep float getMemoryPoolRatio concode_elem_sep long getTotalMemoryPool