| /* |
| * 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.ignite.internal.processors.cache; |
| |
| import javax.cache.Cache; |
| import org.apache.ignite.IgniteCache; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.internal.util.typedef.CI1; |
| import org.apache.ignite.internal.util.typedef.X; |
| import org.apache.ignite.lang.IgniteInClosure; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.Test; |
| |
| import static org.apache.ignite.cache.CacheMode.PARTITIONED; |
| |
| /** |
| * Cache iterator performance test. |
| */ |
| public class GridCacheIteratorPerformanceTest extends GridCommonAbstractTest { |
| /** Large entry count. */ |
| private static final int LARGE_ENTRY_CNT = 100000; |
| |
| /** Small entry count. */ |
| private static final int SMALL_ENTRY_CNT = 10000; |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); |
| |
| cfg.setCacheConfiguration(cacheConfiguration()); |
| |
| return cfg; |
| } |
| |
| /** |
| * @return Cache configuration. |
| */ |
| private CacheConfiguration cacheConfiguration() { |
| CacheConfiguration cfg = defaultCacheConfiguration(); |
| |
| cfg.setCacheMode(PARTITIONED); |
| cfg.setBackups(1); |
| |
| return cfg; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTest() throws Exception { |
| startGrid(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| stopGrid(); |
| } |
| |
| /** |
| * Iterates over cache. |
| * |
| * @param cache Projection. |
| * @param c Visitor closure. |
| */ |
| private void iterate(IgniteCache<Integer, Integer> cache, IgniteInClosure<Cache.Entry<Integer, Integer>> c) { |
| for (Cache.Entry<Integer, Integer> entry : cache.localEntries()) |
| c.apply(entry); |
| } |
| |
| /** |
| * @return Empty filter. |
| */ |
| private IgniteInClosure<Cache.Entry<Integer, Integer>> emptyFilter() { |
| return new CI1<Cache.Entry<Integer, Integer>>() { |
| @Override public void apply(Cache.Entry<Integer, Integer> e) { |
| // No-op |
| } |
| }; |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testSmall() throws Exception { |
| IgniteCache<Integer, Integer> cache = grid().cache(DEFAULT_CACHE_NAME); |
| |
| for (int i = 0; i < SMALL_ENTRY_CNT; i++) |
| cache.put(i, i); |
| |
| assert cache.size() == SMALL_ENTRY_CNT; |
| |
| IgniteInClosure<Cache.Entry<Integer, Integer>> c = emptyFilter(); |
| |
| // Warmup. |
| for (int i = 0; i < 10; i++) |
| iterate(cache, c); |
| |
| long start = System.currentTimeMillis(); |
| |
| iterate(cache, c); |
| |
| long time = System.currentTimeMillis() - start; |
| |
| X.println(">>>"); |
| X.println(">>> Iterated over " + cache.size() + " entries."); |
| X.println(">>> Iteration time: " + time + "ms."); |
| X.println(">>>"); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testLarge() throws Exception { |
| IgniteCache<Integer, Integer> cache = grid().cache(DEFAULT_CACHE_NAME); |
| |
| for (int i = 0; i < LARGE_ENTRY_CNT; i++) |
| cache.put(i, i); |
| |
| assert cache.size() == LARGE_ENTRY_CNT; |
| |
| IgniteInClosure<Cache.Entry<Integer, Integer>> c = emptyFilter(); |
| |
| // Warmup. |
| for (int i = 0; i < 3; i++) |
| iterate(cache, c); |
| |
| long start = System.currentTimeMillis(); |
| |
| iterate(cache, c); |
| |
| long time = System.currentTimeMillis() - start; |
| |
| X.println(">>>"); |
| X.println(">>> Iterated over " + cache.size() + " entries."); |
| X.println(">>> Iteration time: " + time + "ms."); |
| X.println(">>>"); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testFiltered() throws Exception { |
| IgniteCache<Integer, Integer> cache = grid().cache(DEFAULT_CACHE_NAME); |
| |
| for (int i = 0; i < LARGE_ENTRY_CNT; i++) |
| cache.put(i, i); |
| |
| assert cache.size() == LARGE_ENTRY_CNT; |
| |
| final BoxedInt cnt = new BoxedInt(); |
| |
| IgniteInClosure<Cache.Entry<Integer, Integer>> c = new CI1<Cache.Entry<Integer, Integer>>() { |
| @Override public void apply(Cache.Entry<Integer, Integer> t) { |
| if (t.getValue() < SMALL_ENTRY_CNT) |
| cnt.increment(); |
| } |
| }; |
| |
| assert cache.size() == LARGE_ENTRY_CNT; |
| |
| // Warmup. |
| for (int i = 0; i < 3; i++) |
| iterate(cache, c); |
| |
| cnt.reset(); |
| |
| long start = System.currentTimeMillis(); |
| |
| iterate(cache, c); |
| |
| long time = System.currentTimeMillis() - start; |
| |
| X.println(">>>"); |
| X.println(">>> Iterated over " + cache.size() + " entries, accepted " + cnt.get() + " entries."); |
| X.println(">>> Iteration time: " + time + "ms."); |
| X.println(">>>"); |
| } |
| |
| /** |
| * Boxed integer. |
| */ |
| private static class BoxedInt { |
| /** */ |
| private int i; |
| |
| /** |
| * @param i Integer. |
| */ |
| BoxedInt(int i) { |
| this.i = i; |
| } |
| |
| /** |
| * Default constructor. |
| */ |
| BoxedInt() { |
| // No-op. |
| } |
| |
| /** |
| * @return Integer. |
| */ |
| int increment() { |
| return ++i; |
| } |
| |
| /** |
| * @return Integer. |
| */ |
| int get() { |
| return i; |
| } |
| |
| /** |
| * Resets integer. |
| */ |
| void reset() { |
| i = 0; |
| } |
| } |
| } |