/*
* 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.chukwa.extraction.demux.processor.mapper;
import java.io.IOException;
import junit.framework.TestCase;
import org.apache.hadoop.chukwa.Chunk;
import org.apache.hadoop.chukwa.ChunkImpl;
import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecord;
import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecordKey;
import org.apache.hadoop.mapred.OutputCollector;
import org.apache.hadoop.mapred.Reporter;
/*
* Test code for verifying that the log processors work properly.
*
* Currently more or less just a stub
*/
public class TestHadoopLogProcessor extends TestCase {
long serializedSize = 0;
OutputCollector<ChukwaRecordKey, ChukwaRecord> nullcollector = new OutputCollector<ChukwaRecordKey, ChukwaRecord>() {
public void collect(ChukwaRecordKey arg0, ChukwaRecord arg1)
throws IOException {
serializedSize += arg1.toString().length();
}
};
public void testHLPParseTimes() {
HadoopLogProcessor hlp = new HadoopLogProcessor();
int LINES = 50000;
long bytes = 0;
long ts_start = System.currentTimeMillis();
for (int i = 0; i < LINES; ++i) {
Chunk c = getNewChunk();
bytes += c.getData().length;
hlp.process(null, c, nullcollector, Reporter.NULL);
// hlp.parse(line, nullcollector, Reporter.NULL);
}
long time = (System.currentTimeMillis() - ts_start);
System.out.println("parse took " + time + " milliseconds");
System.out.println("aka " + time * 1.0 / LINES + " ms per line or " + time
* 1000.0 / bytes + " ms per kilobyte of log data");
System.out.println("output records had total length of " + serializedSize);
}
java.util.Random r = new java.util.Random();
public Chunk getNewChunk() {
int ms = r.nextInt(1000);
String line = "2008-05-29 10:42:22," + ms
+ " INFO org.apache.hadoop.dfs.DataNode: Some text goes here"
+ r.nextInt() + "\n";
ChunkImpl c = new ChunkImpl("HadoopLogProcessor", "test",
line.length() - 1, line.getBytes(), null);
return c;
}
}