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* 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.geode.internal.cache.diskPerf;
import static org.junit.Assert.*;
import java.util.Arrays;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.geode.LogWriter;
import org.apache.geode.cache.Region;
import org.apache.geode.internal.cache.DiskRegionHelperFactory;
import org.apache.geode.internal.cache.DiskRegionProperties;
import org.apache.geode.internal.cache.DiskRegionTestingBase;
import org.apache.geode.internal.cache.LocalRegion;
import org.apache.geode.internal.cache.lru.LRUStatistics;
import org.apache.geode.test.junit.categories.IntegrationTest;
/**
* Disk region Perf test for Overflow only with ASync writes. 1) Performance of Put operation
* causing an eviction. 2) Performance of Get operation for entry which will fault in.
*/
@Category(IntegrationTest.class)
public class DiskRegOverflowAsyncJUnitPerformanceTest extends DiskRegionTestingBase {
private static int ENTRY_SIZE = 1024 * 5;
/**
* Do not change the value OP_COUNT = 400 The test case is dependent on this value.
*/
private static int OP_COUNT = 400;
private static int HALF_OP_COUNT = OP_COUNT / 2;
private LogWriter log = null;
private DiskRegionProperties diskProps = new DiskRegionProperties();
@Override
protected final void postSetUp() throws Exception {
diskProps.setDiskDirs(dirs);
diskProps.setTimeInterval(1000l);
diskProps.setBytesThreshold(10000l);
diskProps.setOverFlowCapacity(1000);
region = DiskRegionHelperFactory.getAsyncOverFlowOnlyRegion(cache, diskProps);
log = ds.getLogWriter();
}
@Override
protected final void postTearDown() throws Exception {
if (cache != null) {
cache.close();
}
if (ds != null) {
ds.disconnect();
}
}
@Test
public void testPopulatefor5Kbwrites() {
// RegionAttributes ra = region.getAttributes();
LRUStatistics lruStats = getLRUStats(region);
// Put in larger stuff until we start evicting
int total;
for (total = 0; lruStats.getEvictions() <= 0; total++) {
log.info("DEBUG: total " + total + ", evictions " + lruStats.getEvictions());
int[] array = new int[250];
array[0] = total;
region.put(new Integer(total), array);
}
assertEquals(1, lruStats.getEvictions());
// put another 1mb data which will evicted to disk.
// final String key = "K";
final byte[] value = new byte[ENTRY_SIZE];
Arrays.fill(value, (byte) 77);
for (int i = 0; i < HALF_OP_COUNT; i++) {
log.info("DEBUG: total " + total + ", evictions " + lruStats.getEvictions());
region.put("" + i, value);
}
assertEquals(201, lruStats.getEvictions());
// the next puts will be written to disk
long startTime = System.currentTimeMillis();
for (int i = 201; i < OP_COUNT; i++) {
region.put("" + i, value);
}
long endTime = System.currentTimeMillis();
System.out.println(" done with putting");
// Now get all the entries which are on disk.
long startTimeGet = System.currentTimeMillis();
for (int i = 0; i < HALF_OP_COUNT; i++) {
region.get("" + i);
}
long endTimeGet = System.currentTimeMillis();
System.out.println(" done with getting");
region.close(); // closes disk file which will flush all
// buffers
float et = endTime - startTime;
float etSecs = et / 1000f;
float opPerSec = etSecs == 0 ? 0 : (OP_COUNT / (et / 1000f));
float bytesPerSec = etSecs == 0 ? 0 : ((OP_COUNT * ENTRY_SIZE) / (et / 1000f));
String stats = "et=" + et + "ms writes/sec=" + opPerSec + " bytes/sec=" + bytesPerSec;
log.info(stats);
System.out.println("Stats for 5kb writes: Perf of Put which is cauing eviction :" + stats);
// Perf stats for get op
float etGet = endTimeGet - startTimeGet;
float etSecsGet = etGet / 1000f;
float opPerSecGet = etSecsGet == 0 ? 0 : (OP_COUNT / (etGet / 1000f));
float bytesPerSecGet = etSecsGet == 0 ? 0 : ((OP_COUNT * ENTRY_SIZE) / (etGet / 1000f));
String statsGet =
"etGet=" + etGet + "ms gets/sec=" + opPerSecGet + " bytes/sec=" + bytesPerSecGet;
log.info(statsGet);
System.out.println("Perf Stats of get which is fauting in :" + statsGet);
}
private LRUStatistics getLRUStats(Region region) {
return ((LocalRegion) region).getEvictionController().getLRUHelper().getStats();
}
}