| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.carbondata.core.constants; |
| |
| import org.apache.carbondata.core.util.annotations.CarbonProperty; |
| |
| /** |
| * Constants for V3 data format |
| */ |
| public interface CarbonV3DataFormatConstants { |
| |
| /** |
| * each blocklet group size in mb |
| */ |
| @CarbonProperty(dynamicConfigurable = true) |
| String BLOCKLET_SIZE_IN_MB = "carbon.blockletgroup.size.in.mb"; |
| |
| /** |
| * blocklet group size default value |
| */ |
| String BLOCKLET_SIZE_IN_MB_DEFAULT_VALUE = "64"; |
| |
| /** |
| * blocklet size min value |
| */ |
| short BLOCKLET_SIZE_IN_MB_MIN = 1; |
| |
| /** |
| * number of column to be read in one IO in query |
| */ |
| @CarbonProperty |
| String NUMBER_OF_COLUMN_TO_READ_IN_IO = "number.of.column.to.read.in.io"; |
| |
| /** |
| * number of column to be read in one IO in query default value |
| */ |
| String NUMBER_OF_COLUMN_TO_READ_IN_IO_DEFAULTVALUE = "10"; |
| |
| /** |
| * number of column to be read in one IO in query max value |
| */ |
| short NUMBER_OF_COLUMN_TO_READ_IN_IO_MAX = 20; |
| |
| /** |
| * number of column to be read in one IO in query min value |
| */ |
| short NUMBER_OF_COLUMN_TO_READ_IN_IO_MIN = 1; |
| |
| /** |
| * number of rows per blocklet column page default value |
| */ |
| short NUMBER_OF_ROWS_PER_BLOCKLET_COLUMN_PAGE_DEFAULT = 32000; |
| |
| } |