/*
* 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.flink.migration.runtime.state.filesystem;
import org.apache.flink.core.fs.Path;
import org.apache.flink.migration.runtime.state.AbstractStateBackend;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @deprecated Internal class for savepoint backwards compatibility. Don't use for other purposes.
*/
@Deprecated
@SuppressWarnings("deprecation")
public class FsStateBackend extends AbstractStateBackend {
private static final long serialVersionUID = -8191916350224044011L;
private static final Logger LOG = LoggerFactory.getLogger(FsStateBackend.class);
/** By default, state smaller than 1024 bytes will not be written to files, but
* will be stored directly with the metadata */
public static final int DEFAULT_FILE_STATE_THRESHOLD = 1024;
/** Maximum size of state that is stored with the metadata, rather than in files */
public static final int MAX_FILE_STATE_THRESHOLD = 1024 * 1024;
/** Default size for the write buffer */
private static final int DEFAULT_WRITE_BUFFER_SIZE = 4096;
/** The path to the directory for the checkpoint data, including the file system
* description via scheme and optional authority */
private final Path basePath = null;
/** State below this size will be stored as part of the metadata, rather than in files */
private final int fileStateThreshold = 0;
}