/**
* Licensed to Cloudera, Inc. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Cloudera, Inc. 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 com.cloudera.flume.faults;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
/**
* This eventually exhausts the drive logs are stored in
*/
public class DiskHog extends ResourceHog {
File path;
public DiskHog(File path, int delay, boolean random) {
super(delay, random);
this.path = path;
}
/**
* Write a bunch of 100MB files. Eventually will run out of disk space.
*/
@Override
public void increment() {
try {
File tmp = File.createTempFile("junk", ".tmp", path);
tmp.deleteOnExit();
FileOutputStream out = new FileOutputStream(tmp);
byte[] data = new byte[50 * 1024 * 1024]; // make a 1MB buffer
// write out 100MB = 2 * 50MB -- (some JVMs default to 64mb heap)
out.write(data);
out.write(data);
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}