UlimitApp.java
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上传日期:2018-01-08
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文件大小:2k
- /**
- * 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.hadoop.streaming;
- import java.io.*;
- /**
- * The UlimitApp discards the input
- * and exec's ulimit -v to know the ulimit value.
- * And writes the output to the standard out.
- * @see {@link TestUlimit}
- */
- public class UlimitApp {
- public static void main(String args[]) throws IOException{
- BufferedReader in = new BufferedReader(
- new InputStreamReader(System.in));
- String line = null;
- while ((line = in.readLine()) != null) {}
- Process process = Runtime.getRuntime().exec(new String[]{
- "bash", "-c", "ulimit -v"});
- InputStream is = process.getInputStream();
- InputStreamReader isr = new InputStreamReader(is);
- BufferedReader br = new BufferedReader(isr);
- while ((line = br.readLine()) != null) {
- System.out.println(line);
- }
- }
- }