
org.apache.cassandra.config.StorageAttachedIndexOptions Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of cassandra-all Show documentation
Show all versions of cassandra-all Show documentation
The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
/*
* 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.cassandra.config;
import com.google.common.annotations.VisibleForTesting;
import org.apache.cassandra.exceptions.ConfigurationException;
public class StorageAttachedIndexOptions
{
public static final int DEFAULT_SEGMENT_BUFFER_MB = 1024;
@VisibleForTesting
public static final int MAXIMUM_SEGMENT_BUFFER_MB = 32768;
@VisibleForTesting
public static final String INVALID_BUFFER_SIZE_ERROR = "Invalid value for segment_write_buffer_size. " +
"Value must be a positive integer less than " + MAXIMUM_SEGMENT_BUFFER_MB + "MiB";
public DataStorageSpec.IntMebibytesBound segment_write_buffer_size = new DataStorageSpec.IntMebibytesBound(DEFAULT_SEGMENT_BUFFER_MB);
public void validate()
{
if (segment_write_buffer_size.toMebibytes() > MAXIMUM_SEGMENT_BUFFER_MB)
{
throw new ConfigurationException(INVALID_BUFFER_SIZE_ERROR);
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy