/**
* 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;
import java.io.IOException;
import org.junit.Test;
import com.cloudera.flume.core.Event;
import com.cloudera.flume.core.EventUtil;
import com.cloudera.flume.handlers.debug.MemorySinkSource;
import com.cloudera.flume.handlers.debug.NullSink;
import com.cloudera.flume.handlers.debug.TextFileSource;
import com.cloudera.flume.handlers.text.EventExtractException;
import com.cloudera.flume.handlers.text.SyslogEntryFormat;
import com.cloudera.flume.reporter.aggregator.CounterSink;
import com.cloudera.util.Benchmark;
/**
* Performance testing for the throughput of syslog and apache log format
* parsing.
*/
public class PerfSyslogFormats implements ExamplePerfData {
@Test
public void testSyslogFormat() throws IOException, EventExtractException,
InterruptedException {
Benchmark b = new Benchmark("Syslog format + nullsink");
b.mark("begin");
TextFileSource txt = new TextFileSource(SYSLOG_LOG); // 23244 entires
txt.open();
MemorySinkSource mem = new MemorySinkSource();
mem.open();
EventUtil.dumpAll(txt, mem);
txt.close();
b.mark("disk_loaded");
Event e = null;
NullSink sink = new NullSink();
SyslogEntryFormat syslog = new SyslogEntryFormat();
while ((e = mem.next()) != null) {
Event e2 = syslog.extract(new String(e.getBody()), 2009);
sink.append(e2);
}
sink.close();
b.mark("warmup done");
e = null;
mem.open();
while ((e = mem.next()) != null) {
Event e2 = syslog.extract(new String(e.getBody()), 2009);
sink.append(e2);
}
sink.close();
b.mark("sample dump done");
e = null;
mem.open();
CounterSink sink2 = new CounterSink("counter");
while ((e = mem.next()) != null) {
Event e2 = syslog.extract(new String(e.getBody()), 2009);
sink2.append(e2);
}
sink2.close();
b.mark("count done", sink2.getCount());
b.done();
}
}