modules/core/src/test/java/org/apache/ignite/internal/processors/performancestatistics/PerformanceStatisticsSelfTest.java - ignite - Git at Google

 /*
  * 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.performancestatistics;

 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.locks.Lock;
 import java.util.function.Consumer;
 import javax.cache.processor.EntryProcessor;
 import javax.cache.processor.EntryProcessorException;
 import javax.cache.processor.MutableEntry;
 import org.apache.ignite.IgniteCache;
 import org.apache.ignite.cache.CacheEntryProcessor;
 import org.apache.ignite.configuration.IgniteConfiguration;
 import org.apache.ignite.internal.IgniteEx;
 import org.apache.ignite.internal.util.GridIntList;
 import org.apache.ignite.internal.util.typedef.internal.CU;
 import org.apache.ignite.internal.util.typedef.internal.U;
 import org.apache.ignite.lang.IgniteRunnable;
 import org.apache.ignite.lang.IgniteUuid;
 import org.apache.ignite.transactions.Transaction;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;

 import static org.apache.ignite.internal.processors.performancestatistics.AbstractPerformanceStatisticsTest.ClientType.CLIENT;
 import static org.apache.ignite.internal.processors.performancestatistics.AbstractPerformanceStatisticsTest.ClientType.SERVER;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_GET;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_GET_ALL;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_GET_AND_PUT;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_GET_AND_REMOVE;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_INVOKE;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_INVOKE_ALL;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_LOCK;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_PUT;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_PUT_ALL;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_REMOVE;
 import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_REMOVE_ALL;

 /**
  * Tests performance statistics.
  */
 @RunWith(Parameterized.class)
 @SuppressWarnings({"LockAcquiredButNotSafelyReleased"})
 public class PerformanceStatisticsSelfTest extends AbstractPerformanceStatisticsTest {
     /** Nodes count. */
     private static final int NODES_CNT = 2;

     /** Cache entry count. */
     private static final int ENTRY_COUNT = 100;

     /** Test entry processor. */
     private static final EntryProcessor<Object, Object, Object> ENTRY_PROC =
         new EntryProcessor<Object, Object, Object>() {
             @Override public Object process(MutableEntry<Object, Object> entry, Object... arguments)
                 throws EntryProcessorException {
                 return null;
             }
         };

     /** Test cache entry processor. */
     private static final CacheEntryProcessor<Object, Object, Object> CACHE_ENTRY_PROC =
         new CacheEntryProcessor<Object, Object, Object>() {
             @Override public Object process(MutableEntry<Object, Object> entry, Object... arguments)
                 throws EntryProcessorException {
                 return null;
             }
         };

     /** Client type to run operations from. */
     @Parameterized.Parameter
     public ClientType clientType;

     /** @return Test parameters. */
     @Parameterized.Parameters(name = "clientType={0}")
     public static Collection<?> parameters() {
         return Arrays.asList(new Object[][] {{SERVER}, {CLIENT}});
     }

     /** Ignite. */
     private static IgniteEx srv;

     /** Ignite node to run load from. */
     private static IgniteEx node;

     /** Test cache. */
     private static IgniteCache<Object, Object> cache;

     /** {@inheritDoc} */
     @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
         IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);

         cfg.setCacheConfiguration(defaultCacheConfiguration());

         return cfg;
     }

     /** {@inheritDoc} */
     @Override protected void beforeTestsStarted() throws Exception {
         srv = startGrid(NODES_CNT - 1);

         IgniteEx client = startClientGrid(NODES_CNT);

         node = clientType == SERVER ? srv : client;

         cache = node.cache(DEFAULT_CACHE_NAME);

         for (int i = 0; i < ENTRY_COUNT; i++)
             cache.put(i, i);
     }

     /** @throws Exception If failed. */
     @Test
     public void testCompute() throws Exception {
         String testTaskName = "testTask";
         int executions = 5;
         long startTime = U.currentTimeMillis();

         startCollectStatistics();

         IgniteRunnable task = new IgniteRunnable() {
             @Override public void run() {
                 // No-op.
             }
         };

         for (int i = 0; i < executions; i++)
             node.compute().withName(testTaskName).run(task);

         HashMap<IgniteUuid, Integer> sessions = new HashMap<>();
         AtomicInteger tasks = new AtomicInteger();
         AtomicInteger jobs = new AtomicInteger();

         stopCollectStatisticsAndRead(new TestHandler() {
             @Override public void task(UUID nodeId, IgniteUuid sesId, String taskName, long taskStartTime,
                 long duration, int affPartId) {
                 sessions.compute(sesId, (uuid, cnt) -> cnt == null ? 1 : ++cnt);

                 tasks.incrementAndGet();

                 assertEquals(node.context().localNodeId(), nodeId);
                 assertEquals(testTaskName, taskName);
                 assertTrue(taskStartTime >= startTime);
                 assertTrue(duration >= 0);
                 assertEquals(-1, affPartId);
             }

             @Override public void job(UUID nodeId, IgniteUuid sesId, long queuedTime, long jobStartTime, long duration,
                 boolean timedOut) {
                 sessions.compute(sesId, (uuid, cnt) -> cnt == null ? 1 : ++cnt);

                 jobs.incrementAndGet();

                 assertEquals(srv.context().localNodeId(), nodeId);
                 assertTrue(queuedTime >= 0);
                 assertTrue(jobStartTime >= startTime);
                 assertTrue(duration >= 0);
                 assertFalse(timedOut);
             }
         });

         assertEquals(executions, tasks.get());
         assertEquals(executions, jobs.get());

         Collection<Integer> vals = sessions.values();

         assertEquals(executions, vals.size());
         assertTrue("Invalid sessions: " + sessions, vals.stream().allMatch(cnt -> cnt == NODES_CNT));
     }

     /** @throws Exception If failed. */
     @Test
     public void testCacheOperation() throws Exception {
         checkCacheOperation(CACHE_PUT, cache -> cache.put(1, 1));
         checkCacheOperation(CACHE_PUT, cache -> cache.putAsync(2, 2).get());

         checkCacheOperation(CACHE_PUT_ALL, cache -> cache.putAll(Collections.singletonMap(3, 3)));
         checkCacheOperation(CACHE_PUT_ALL, cache -> cache.putAllAsync(Collections.singletonMap(4, 4)).get());

         checkCacheOperation(CACHE_GET, cache -> cache.get(1));
         checkCacheOperation(CACHE_GET, cache -> cache.getAsync(2).get());

         checkCacheOperation(CACHE_GET_AND_PUT, cache -> cache.getAndPut(1, 1));
         checkCacheOperation(CACHE_GET_AND_PUT, cache -> cache.getAndPutAsync(2, 2).get());

         checkCacheOperation(CACHE_GET_ALL, cache -> cache.getAll(Collections.singleton(1)));
         checkCacheOperation(CACHE_GET_ALL, cache -> cache.getAllAsync(Collections.singleton(2)).get());

         checkCacheOperation(CACHE_GET_ALL, cache -> cache.getAllOutTx(Collections.singleton(1)));
         checkCacheOperation(CACHE_GET_ALL, cache -> cache.getAllOutTxAsync(Collections.singleton(2)).get());

         checkCacheOperation(CACHE_REMOVE, cache -> cache.remove(1));
         checkCacheOperation(CACHE_REMOVE, cache -> cache.removeAsync(2).get());

         checkCacheOperation(CACHE_REMOVE_ALL, cache -> cache.removeAll(Collections.singleton(3)));
         checkCacheOperation(CACHE_REMOVE_ALL, cache -> cache.removeAllAsync(Collections.singleton(4)).get());

         checkCacheOperation(CACHE_GET_AND_REMOVE, cache -> cache.getAndRemove(5));
         checkCacheOperation(CACHE_GET_AND_REMOVE, cache -> cache.getAndRemoveAsync(6).get());

         checkCacheOperation(CACHE_LOCK, cache -> {
             Lock lock = cache.lock(7);

             lock.lock();
             lock.unlock();
         });

         checkCacheOperation(CACHE_LOCK, cache -> {
             Lock lock = cache.lockAll(Collections.singleton(8));

             lock.lock();
             lock.unlock();
         });

         checkCacheOperation(CACHE_INVOKE, cache -> cache.invoke(10, ENTRY_PROC));
         checkCacheOperation(CACHE_INVOKE, cache -> cache.invokeAsync(10, ENTRY_PROC).get());

         checkCacheOperation(CACHE_INVOKE, cache -> cache.invoke(10, CACHE_ENTRY_PROC));
         checkCacheOperation(CACHE_INVOKE, cache -> cache.invokeAsync(10, CACHE_ENTRY_PROC).get());

         checkCacheOperation(CACHE_INVOKE_ALL, cache -> cache.invokeAll(Collections.singleton(10), ENTRY_PROC));
         checkCacheOperation(CACHE_INVOKE_ALL,
             cache -> cache.invokeAllAsync(Collections.singleton(10), ENTRY_PROC).get());

         checkCacheOperation(CACHE_INVOKE_ALL, cache -> cache.invokeAll(Collections.singleton(10), CACHE_ENTRY_PROC));
         checkCacheOperation(CACHE_INVOKE_ALL,
             cache -> cache.invokeAllAsync(Collections.singleton(10), CACHE_ENTRY_PROC).get());
     }

     /** Checks cache operation. */
     private void checkCacheOperation(OperationType op, Consumer<IgniteCache<Object, Object>> clo) throws Exception {
         long startTime = U.currentTimeMillis();

         cleanPerformanceStatisticsDir();

         startCollectStatistics();

         clo.accept(cache);

         AtomicInteger ops = new AtomicInteger();

         stopCollectStatisticsAndRead(new TestHandler() {
             @Override public void cacheOperation(UUID nodeId, OperationType type, int cacheId, long opStartTime,
                 long duration) {
                 ops.incrementAndGet();

                 assertEquals(node.context().localNodeId(), nodeId);
                 assertEquals(op, type);
                 assertEquals(CU.cacheId(DEFAULT_CACHE_NAME), cacheId);
                 assertTrue(opStartTime >= startTime);
                 assertTrue(duration >= 0);
             }
         });

         assertEquals(1, ops.get());
     }

     /** @throws Exception If failed. */
     @Test
     public void testTransaction() throws Exception {
         checkTx(true);

         checkTx(false);
     }

     /** @param commited {@code True} if check transaction commited. */
     private void checkTx(boolean commited) throws Exception {
         long startTime = U.currentTimeMillis();

         cleanPerformanceStatisticsDir();

         startCollectStatistics();

         try (Transaction tx = node.transactions().txStart()) {
             for (int i = 0; i < 10; i++)
                 cache.put(i, i * 2);

             if (commited)
                 tx.commit();
             else
                 tx.rollback();
         }

         AtomicInteger txs = new AtomicInteger();

         stopCollectStatisticsAndRead(new TestHandler() {
             @Override public void transaction(UUID nodeId, GridIntList cacheIds, long txStartTime, long duration,
                 boolean txCommited) {
                 txs.incrementAndGet();

                 assertEquals(node.context().localNodeId(), nodeId);
                 assertEquals(1, cacheIds.size());
                 assertEquals(CU.cacheId(DEFAULT_CACHE_NAME), cacheIds.get(0));
                 assertTrue(txStartTime >= startTime);
                 assertTrue(duration >= 0);
                 assertEquals(commited, txCommited);
             }
         });

         assertEquals(1, txs.get());
     }
 }
	/*
	* 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.performancestatistics;

	import java.util.Arrays;
	import java.util.Collection;
	import java.util.Collections;
	import java.util.HashMap;
	import java.util.UUID;
	import java.util.concurrent.atomic.AtomicInteger;
	import java.util.concurrent.locks.Lock;
	import java.util.function.Consumer;
	import javax.cache.processor.EntryProcessor;
	import javax.cache.processor.EntryProcessorException;
	import javax.cache.processor.MutableEntry;
	import org.apache.ignite.IgniteCache;
	import org.apache.ignite.cache.CacheEntryProcessor;
	import org.apache.ignite.configuration.IgniteConfiguration;
	import org.apache.ignite.internal.IgniteEx;
	import org.apache.ignite.internal.util.GridIntList;
	import org.apache.ignite.internal.util.typedef.internal.CU;
	import org.apache.ignite.internal.util.typedef.internal.U;
	import org.apache.ignite.lang.IgniteRunnable;
	import org.apache.ignite.lang.IgniteUuid;
	import org.apache.ignite.transactions.Transaction;
	import org.junit.Test;
	import org.junit.runner.RunWith;
	import org.junit.runners.Parameterized;

	import static org.apache.ignite.internal.processors.performancestatistics.AbstractPerformanceStatisticsTest.ClientType.CLIENT;
	import static org.apache.ignite.internal.processors.performancestatistics.AbstractPerformanceStatisticsTest.ClientType.SERVER;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_GET;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_GET_ALL;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_GET_AND_PUT;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_GET_AND_REMOVE;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_INVOKE;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_INVOKE_ALL;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_LOCK;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_PUT;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_PUT_ALL;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_REMOVE;
	import static org.apache.ignite.internal.processors.performancestatistics.OperationType.CACHE_REMOVE_ALL;

	/**
	* Tests performance statistics.
	*/
	@RunWith(Parameterized.class)
	@SuppressWarnings({"LockAcquiredButNotSafelyReleased"})
	public class PerformanceStatisticsSelfTest extends AbstractPerformanceStatisticsTest {
	/** Nodes count. */
	private static final int NODES_CNT = 2;

	/** Cache entry count. */
	private static final int ENTRY_COUNT = 100;

	/** Test entry processor. */
	private static final EntryProcessor<Object, Object, Object> ENTRY_PROC =
	new EntryProcessor<Object, Object, Object>() {
	@Override public Object process(MutableEntry<Object, Object> entry, Object... arguments)
	throws EntryProcessorException {
	return null;
	}
	};

	/** Test cache entry processor. */
	private static final CacheEntryProcessor<Object, Object, Object> CACHE_ENTRY_PROC =
	new CacheEntryProcessor<Object, Object, Object>() {
	@Override public Object process(MutableEntry<Object, Object> entry, Object... arguments)
	throws EntryProcessorException {
	return null;
	}
	};

	/** Client type to run operations from. */
	@Parameterized.Parameter
	public ClientType clientType;

	/** @return Test parameters. */
	@Parameterized.Parameters(name = "clientType={0}")
	public static Collection<?> parameters() {
	return Arrays.asList(new Object[][] {{SERVER}, {CLIENT}});
	}

	/** Ignite. */
	private static IgniteEx srv;

	/** Ignite node to run load from. */
	private static IgniteEx node;

	/** Test cache. */
	private static IgniteCache<Object, Object> cache;

	/** {@inheritDoc} */
	@Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
	IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);

	cfg.setCacheConfiguration(defaultCacheConfiguration());

	return cfg;
	}

	/** {@inheritDoc} */
	@Override protected void beforeTestsStarted() throws Exception {
	srv = startGrid(NODES_CNT - 1);

	IgniteEx client = startClientGrid(NODES_CNT);

	node = clientType == SERVER ? srv : client;

	cache = node.cache(DEFAULT_CACHE_NAME);

	for (int i = 0; i < ENTRY_COUNT; i++)
	cache.put(i, i);
	}

	/** @throws Exception If failed. */
	@Test
	public void testCompute() throws Exception {
	String testTaskName = "testTask";
	int executions = 5;
	long startTime = U.currentTimeMillis();

	startCollectStatistics();

	IgniteRunnable task = new IgniteRunnable() {
	@Override public void run() {
	// No-op.
	}
	};

	for (int i = 0; i < executions; i++)
	node.compute().withName(testTaskName).run(task);

	HashMap<IgniteUuid, Integer> sessions = new HashMap<>();
	AtomicInteger tasks = new AtomicInteger();
	AtomicInteger jobs = new AtomicInteger();

	stopCollectStatisticsAndRead(new TestHandler() {
	@Override public void task(UUID nodeId, IgniteUuid sesId, String taskName, long taskStartTime,
	long duration, int affPartId) {
	sessions.compute(sesId, (uuid, cnt) -> cnt == null ? 1 : ++cnt);

	tasks.incrementAndGet();

	assertEquals(node.context().localNodeId(), nodeId);
	assertEquals(testTaskName, taskName);
	assertTrue(taskStartTime >= startTime);
	assertTrue(duration >= 0);
	assertEquals(-1, affPartId);
	}

	@Override public void job(UUID nodeId, IgniteUuid sesId, long queuedTime, long jobStartTime, long duration,
	boolean timedOut) {
	sessions.compute(sesId, (uuid, cnt) -> cnt == null ? 1 : ++cnt);

	jobs.incrementAndGet();

	assertEquals(srv.context().localNodeId(), nodeId);
	assertTrue(queuedTime >= 0);
	assertTrue(jobStartTime >= startTime);
	assertTrue(duration >= 0);
	assertFalse(timedOut);
	}
	});

	assertEquals(executions, tasks.get());
	assertEquals(executions, jobs.get());

	Collection<Integer> vals = sessions.values();

	assertEquals(executions, vals.size());
	assertTrue("Invalid sessions: " + sessions, vals.stream().allMatch(cnt -> cnt == NODES_CNT));
	}

	/** @throws Exception If failed. */
	@Test
	public void testCacheOperation() throws Exception {
	checkCacheOperation(CACHE_PUT, cache -> cache.put(1, 1));
	checkCacheOperation(CACHE_PUT, cache -> cache.putAsync(2, 2).get());

	checkCacheOperation(CACHE_PUT_ALL, cache -> cache.putAll(Collections.singletonMap(3, 3)));
	checkCacheOperation(CACHE_PUT_ALL, cache -> cache.putAllAsync(Collections.singletonMap(4, 4)).get());

	checkCacheOperation(CACHE_GET, cache -> cache.get(1));
	checkCacheOperation(CACHE_GET, cache -> cache.getAsync(2).get());

	checkCacheOperation(CACHE_GET_AND_PUT, cache -> cache.getAndPut(1, 1));
	checkCacheOperation(CACHE_GET_AND_PUT, cache -> cache.getAndPutAsync(2, 2).get());

	checkCacheOperation(CACHE_GET_ALL, cache -> cache.getAll(Collections.singleton(1)));
	checkCacheOperation(CACHE_GET_ALL, cache -> cache.getAllAsync(Collections.singleton(2)).get());

	checkCacheOperation(CACHE_GET_ALL, cache -> cache.getAllOutTx(Collections.singleton(1)));
	checkCacheOperation(CACHE_GET_ALL, cache -> cache.getAllOutTxAsync(Collections.singleton(2)).get());

	checkCacheOperation(CACHE_REMOVE, cache -> cache.remove(1));
	checkCacheOperation(CACHE_REMOVE, cache -> cache.removeAsync(2).get());

	checkCacheOperation(CACHE_REMOVE_ALL, cache -> cache.removeAll(Collections.singleton(3)));
	checkCacheOperation(CACHE_REMOVE_ALL, cache -> cache.removeAllAsync(Collections.singleton(4)).get());

	checkCacheOperation(CACHE_GET_AND_REMOVE, cache -> cache.getAndRemove(5));
	checkCacheOperation(CACHE_GET_AND_REMOVE, cache -> cache.getAndRemoveAsync(6).get());

	checkCacheOperation(CACHE_LOCK, cache -> {
	Lock lock = cache.lock(7);

	lock.lock();
	lock.unlock();
	});

	checkCacheOperation(CACHE_LOCK, cache -> {
	Lock lock = cache.lockAll(Collections.singleton(8));

	lock.lock();
	lock.unlock();
	});

	checkCacheOperation(CACHE_INVOKE, cache -> cache.invoke(10, ENTRY_PROC));
	checkCacheOperation(CACHE_INVOKE, cache -> cache.invokeAsync(10, ENTRY_PROC).get());

	checkCacheOperation(CACHE_INVOKE, cache -> cache.invoke(10, CACHE_ENTRY_PROC));
	checkCacheOperation(CACHE_INVOKE, cache -> cache.invokeAsync(10, CACHE_ENTRY_PROC).get());

	checkCacheOperation(CACHE_INVOKE_ALL, cache -> cache.invokeAll(Collections.singleton(10), ENTRY_PROC));
	checkCacheOperation(CACHE_INVOKE_ALL,
	cache -> cache.invokeAllAsync(Collections.singleton(10), ENTRY_PROC).get());

	checkCacheOperation(CACHE_INVOKE_ALL, cache -> cache.invokeAll(Collections.singleton(10), CACHE_ENTRY_PROC));
	checkCacheOperation(CACHE_INVOKE_ALL,
	cache -> cache.invokeAllAsync(Collections.singleton(10), CACHE_ENTRY_PROC).get());
	}

	/** Checks cache operation. */
	private void checkCacheOperation(OperationType op, Consumer<IgniteCache<Object, Object>> clo) throws Exception {
	long startTime = U.currentTimeMillis();

	cleanPerformanceStatisticsDir();

	startCollectStatistics();

	clo.accept(cache);

	AtomicInteger ops = new AtomicInteger();

	stopCollectStatisticsAndRead(new TestHandler() {
	@Override public void cacheOperation(UUID nodeId, OperationType type, int cacheId, long opStartTime,
	long duration) {
	ops.incrementAndGet();

	assertEquals(node.context().localNodeId(), nodeId);
	assertEquals(op, type);
	assertEquals(CU.cacheId(DEFAULT_CACHE_NAME), cacheId);
	assertTrue(opStartTime >= startTime);
	assertTrue(duration >= 0);
	}
	});

	assertEquals(1, ops.get());
	}

	/** @throws Exception If failed. */
	@Test
	public void testTransaction() throws Exception {
	checkTx(true);

	checkTx(false);
	}

	/** @param commited {@code True} if check transaction commited. */
	private void checkTx(boolean commited) throws Exception {
	long startTime = U.currentTimeMillis();

	cleanPerformanceStatisticsDir();

	startCollectStatistics();

	try (Transaction tx = node.transactions().txStart()) {
	for (int i = 0; i < 10; i++)
	cache.put(i, i * 2);

	if (commited)
	tx.commit();
	else
	tx.rollback();
	}

	AtomicInteger txs = new AtomicInteger();

	stopCollectStatisticsAndRead(new TestHandler() {
	@Override public void transaction(UUID nodeId, GridIntList cacheIds, long txStartTime, long duration,
	boolean txCommited) {
	txs.incrementAndGet();

	assertEquals(node.context().localNodeId(), nodeId);
	assertEquals(1, cacheIds.size());
	assertEquals(CU.cacheId(DEFAULT_CACHE_NAME), cacheIds.get(0));
	assertTrue(txStartTime >= startTime);
	assertTrue(duration >= 0);
	assertEquals(commited, txCommited);
	}
	});

	assertEquals(1, txs.get());
	}
	}