forked from apache/jackrabbit-oak
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
OAK-9457: Lucene index is always used over ES index when the cost is …
…minimal (apache#298)
- Loading branch information
Showing
5 changed files
with
207 additions
and
16 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
192 changes: 192 additions & 0 deletions
192
oak-jcr/src/test/java/org/apache/jackrabbit/oak/IndexCostEvaluationTest.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,192 @@ | ||
| /* | ||
| * 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.jackrabbit.oak; | ||
|
|
||
| import ch.qos.logback.classic.Level; | ||
| import com.google.common.collect.ImmutableList; | ||
| import org.apache.jackrabbit.api.JackrabbitRepository; | ||
| import org.apache.jackrabbit.api.JackrabbitSession; | ||
| import org.apache.jackrabbit.oak.commons.junit.LogCustomizer; | ||
| import org.apache.jackrabbit.oak.jcr.Jcr; | ||
| import org.apache.jackrabbit.oak.plugins.index.property.PropertyIndexPlan; | ||
| import org.apache.jackrabbit.oak.query.QueryEngineSettings; | ||
| import org.apache.jackrabbit.oak.query.index.FilterImpl; | ||
| import org.apache.jackrabbit.oak.spi.query.Cursor; | ||
| import org.apache.jackrabbit.oak.spi.query.Filter; | ||
| import org.apache.jackrabbit.oak.spi.query.QueryIndex; | ||
| import org.apache.jackrabbit.oak.spi.query.QueryIndexProvider; | ||
| import org.apache.jackrabbit.oak.spi.state.NodeState; | ||
| import org.jetbrains.annotations.NotNull; | ||
| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.rules.TemporaryFolder; | ||
|
|
||
| import javax.jcr.Node; | ||
| import javax.jcr.Repository; | ||
| import javax.jcr.SimpleCredentials; | ||
| import java.io.File; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
||
| import static org.junit.Assert.assertTrue; | ||
|
|
||
| public class IndexCostEvaluationTest { | ||
| @Rule | ||
| public TemporaryFolder temporaryFolder = new TemporaryFolder(new File("target")); | ||
|
|
||
| private static final String TEST_USER_NAME = "testUserName"; | ||
|
|
||
| private Repository repository = null; | ||
| private JackrabbitSession session = null; | ||
| private Node root = null; | ||
| private LogCustomizer custom; | ||
|
|
||
| @Before | ||
| public void before() throws Exception { | ||
| custom = LogCustomizer | ||
| .forLogger( | ||
| "org.apache.jackrabbit.oak.query.QueryImpl") | ||
| .enable(Level.DEBUG).create(); | ||
| custom.starting(); | ||
|
|
||
|
|
||
| TestIndexProvider testProvider = new TestIndexProvider(); | ||
| TestIndexProvider2 testProvider2 = new TestIndexProvider2(); | ||
| TestIndexProvider3 testProvider3 = new TestIndexProvider3(); | ||
|
|
||
| Jcr jcr = new Jcr() | ||
| .with((QueryIndexProvider) testProvider) | ||
| .with((QueryIndexProvider) testProvider2) | ||
| .with((QueryIndexProvider) testProvider3); | ||
|
|
||
| repository = jcr.createRepository(); | ||
| session = (JackrabbitSession) repository.login(new SimpleCredentials("admin", "admin".toCharArray())); | ||
| root = session.getRootNode(); | ||
| } | ||
|
|
||
|
|
||
| @After | ||
| public void after() { | ||
| custom.finished(); | ||
| session.logout(); | ||
| if (repository instanceof JackrabbitRepository) { | ||
| ((JackrabbitRepository) repository).shutdown(); | ||
| } | ||
| } | ||
|
|
||
| // In cases where two indexes have same min cost i.e. both indexes are on par, we don't skip cost evaluation | ||
| // even of cost from previous index is less than min cost of new index. | ||
| @Test | ||
| public void costEvaluationTest() throws Exception { | ||
| boolean evaluationContinueLogPresent = false; | ||
| boolean evaluationSkipLogPresent = false; | ||
| for (String log : custom.getLogs()) { | ||
| if (log.equals("minCost: 2.1 of index :test-index2 > best Cost: 2.0 from index: test-index, but both indexes have same minimum cost - cost evaluation will continue")) { | ||
| evaluationContinueLogPresent = true; | ||
| } | ||
| if (log.equals("minCost: 2.11 of index :test-index3 < best Cost: 2.0 from index: test-index. Further index evaluation will be skipped")) { | ||
| evaluationSkipLogPresent = true; | ||
| } | ||
| } | ||
| assertTrue(evaluationContinueLogPresent); | ||
| assertTrue(evaluationSkipLogPresent); | ||
| } | ||
|
|
||
| private class TestIndexProvider implements QueryIndexProvider { | ||
| TestIndex index = new TestIndex(); | ||
|
|
||
| @Override | ||
| public @NotNull List<? extends QueryIndex> getQueryIndexes(NodeState nodeState) { | ||
| return ImmutableList.<QueryIndex>of(index); | ||
| } | ||
| } | ||
|
|
||
| private class TestIndexProvider2 extends TestIndexProvider { | ||
| public TestIndexProvider2() { | ||
| this.index = new TestIndex() { | ||
| public String getIndexName() { | ||
| return "test-index2"; | ||
| } | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| private class TestIndexProvider3 extends TestIndexProvider { | ||
| public TestIndexProvider3() { | ||
| this.index = new TestIndex() { | ||
| public String getIndexName() { | ||
| return "test-index3"; | ||
| } | ||
|
|
||
| public double getMinimumCost() { | ||
| return PropertyIndexPlan.COST_OVERHEAD + 0.11; | ||
| } | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| private class TestIndex implements QueryIndex, QueryIndex.AdvancedQueryIndex { | ||
|
|
||
| @Override | ||
| public double getMinimumCost() { | ||
| return PropertyIndexPlan.COST_OVERHEAD + 0.1; | ||
| } | ||
|
|
||
| @Override | ||
| public double getCost(Filter filter, NodeState rootState) { | ||
| return Double.POSITIVE_INFINITY; | ||
| } | ||
|
|
||
| @Override | ||
| public Cursor query(Filter filter, NodeState rootState) { | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public String getPlan(Filter filter, NodeState rootState) { | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public String getIndexName() { | ||
| return "test-index"; | ||
| } | ||
|
|
||
| @Override | ||
| public List<IndexPlan> getPlans(Filter filter, List<OrderEntry> sortOrder, NodeState rootState) { | ||
| IndexPlan.Builder b = new IndexPlan.Builder(); | ||
| Filter f = new FilterImpl(null, "SELECT * FROM [nt:file]", new QueryEngineSettings()); | ||
| IndexPlan plan1 = b.setEstimatedEntryCount(10).setPlanName("testIndexPlan1").setFilter(f).build(); | ||
| List<IndexPlan> indexList = new ArrayList<IndexPlan>(); | ||
|
|
||
| indexList.add(plan1); | ||
| return indexList; | ||
| } | ||
|
|
||
| @Override | ||
| public String getPlanDescription(IndexPlan plan, NodeState root) { | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public Cursor query(IndexPlan plan, NodeState rootState) { | ||
| return null; | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters