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IGNITE-22962 Added conflict resolver metrics (#11469)
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146 changes: 146 additions & 0 deletions
146
...ore/src/test/java/org/apache/ignite/internal/metric/CacheMetricsConflictResolverTest.java
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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. | ||
| */ | ||
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| package org.apache.ignite.internal.metric; | ||
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| import org.apache.ignite.IgniteCache; | ||
| import org.apache.ignite.configuration.IgniteConfiguration; | ||
| import org.apache.ignite.internal.IgniteEx; | ||
| import org.apache.ignite.internal.processors.cache.CacheConflictResolutionManager; | ||
| import org.apache.ignite.internal.processors.cache.CacheObjectValueContext; | ||
| import org.apache.ignite.internal.processors.cache.GridCacheManagerAdapter; | ||
| import org.apache.ignite.internal.processors.cache.version.CacheVersionConflictResolver; | ||
| import org.apache.ignite.internal.processors.cache.version.GridCacheVersionConflictContext; | ||
| import org.apache.ignite.internal.processors.cache.version.GridCacheVersionedEntryEx; | ||
| import org.apache.ignite.internal.processors.metric.MetricRegistryImpl; | ||
| import org.apache.ignite.plugin.AbstractTestPluginProvider; | ||
| import org.apache.ignite.plugin.PluginContext; | ||
| import org.apache.ignite.spi.metric.LongMetric; | ||
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; | ||
| import org.junit.Test; | ||
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| import static org.apache.ignite.internal.processors.metric.impl.MetricUtils.cacheMetricsRegistryName; | ||
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| /** Tests conflict resolver metrics per cache. */ | ||
| public class CacheMetricsConflictResolverTest extends GridCommonAbstractTest { | ||
| /** {@inheritDoc} */ | ||
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { | ||
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); | ||
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| cfg.setPluginProviders(new AbstractTestPluginProvider() { | ||
| @Override public String name() { | ||
| return "ConflictResolverProvider"; | ||
| } | ||
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| @Override public <T> T createComponent(PluginContext ctx, Class<T> cls) { | ||
| if (cls != CacheConflictResolutionManager.class) | ||
| return null; | ||
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| return (T)new DynamicResolutionManager<>(); | ||
| } | ||
| }); | ||
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| return cfg; | ||
| } | ||
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| /** */ | ||
| @Test | ||
| public void testCacheConflictResolver() throws Exception { | ||
| IgniteEx ign = startGrid(0); | ||
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| IgniteCache<Object, Object> cache = ign.getOrCreateCache(DEFAULT_CACHE_NAME); | ||
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| checkMetrics(0, 0, 0); | ||
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| TestCacheVersionConflictResolver.plc = ResolvePolicy.USE_NEW; | ||
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| cache.put(0, 0); | ||
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| checkMetrics(1, 0, 0); | ||
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| TestCacheVersionConflictResolver.plc = ResolvePolicy.USE_OLD; | ||
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| cache.put(0, 0); | ||
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| checkMetrics(1, 1, 0); | ||
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| TestCacheVersionConflictResolver.plc = ResolvePolicy.MERGE; | ||
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| cache.put(0, 0); | ||
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| checkMetrics(1, 1, 1); | ||
| } | ||
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| /** */ | ||
| private void checkMetrics(int expAccepted, int expRejected, int expMerged) { | ||
| MetricRegistryImpl mreg = grid(0).context().metric().registry(cacheMetricsRegistryName(DEFAULT_CACHE_NAME, false)); | ||
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| assertEquals(expAccepted, mreg.<LongMetric>findMetric("ConflictResolverAcceptedCount").value()); | ||
| assertEquals(expRejected, mreg.<LongMetric>findMetric("ConflictResolverRejectedCount").value()); | ||
| assertEquals(expMerged, mreg.<LongMetric>findMetric("ConflictResolverMergedCount").value()); | ||
| } | ||
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| /** */ | ||
| private static class TestCacheVersionConflictResolver implements CacheVersionConflictResolver { | ||
| /** */ | ||
| private static ResolvePolicy plc; | ||
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| /** {@inheritDoc} */ | ||
| @Override public <K, V> GridCacheVersionConflictContext<K, V> resolve( | ||
| CacheObjectValueContext ctx, | ||
| GridCacheVersionedEntryEx<K, V> oldEntry, | ||
| GridCacheVersionedEntryEx<K, V> newEntry, | ||
| boolean atomicVerComparator | ||
| ) { | ||
| GridCacheVersionConflictContext<K, V> res = new GridCacheVersionConflictContext<>(ctx, oldEntry, newEntry); | ||
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| if (plc == ResolvePolicy.USE_NEW) | ||
| res.useNew(); | ||
| else if (plc == ResolvePolicy.USE_OLD) | ||
| res.useOld(); | ||
| else | ||
| res.merge( | ||
| newEntry.value(ctx), | ||
| Math.max(oldEntry.ttl(), newEntry.ttl()), | ||
| Math.max(oldEntry.expireTime(), newEntry.expireTime()) | ||
| ); | ||
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| return res; | ||
| } | ||
| } | ||
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| /** */ | ||
| private static class DynamicResolutionManager<K, V> extends GridCacheManagerAdapter<K, V> | ||
| implements CacheConflictResolutionManager<K, V> { | ||
| /** {@inheritDoc} */ | ||
| @Override public CacheVersionConflictResolver conflictResolver() { | ||
| return new TestCacheVersionConflictResolver(); | ||
| } | ||
| } | ||
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| /** Policy for conflict resolver. */ | ||
| private enum ResolvePolicy { | ||
| /** Use old. */ | ||
| USE_OLD, | ||
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| /** Use new. */ | ||
| USE_NEW, | ||
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| /** Merge. */ | ||
| MERGE | ||
| } | ||
| } |
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