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[BUG FIX] Add space type default and ef search parameter in warmup (o…
…pensearch-project#276) Sets the default value of space type to L2 in KNNIndexShard. KNNIndexShard is used during warmup to load segments into memory. For indices created in ES 7.1 and 7.4, they will not have this value set because the only space we supported was l2. So, we need to hardcode the defaults here. For nmslib, the ef_search parameter is configurable at load time. So, it needs to be passed as a parameter in both the search load phase as well as warmup. This commit adds it to the warmup phase and abstracts load parameters to a helper function so that it can be consistent for both search and warmup. Signed-off-by: John Mazanec <[email protected]>
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src/test/java/org/opensearch/knn/index/IndexUtilTests.java
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| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| * | ||
| * Modifications Copyright OpenSearch Contributors. See | ||
| * GitHub history for details. | ||
| */ | ||
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| package org.opensearch.knn.index; | ||
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| import com.google.common.collect.ImmutableMap; | ||
| import org.opensearch.cluster.ClusterState; | ||
| import org.opensearch.cluster.metadata.IndexMetadata; | ||
| import org.opensearch.cluster.metadata.Metadata; | ||
| import org.opensearch.cluster.service.ClusterService; | ||
| import org.opensearch.common.settings.Settings; | ||
| import org.opensearch.knn.KNNTestCase; | ||
| import org.opensearch.knn.index.util.KNNEngine; | ||
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| import java.util.Map; | ||
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| import static org.mockito.ArgumentMatchers.anyString; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.when; | ||
| import static org.opensearch.knn.common.KNNConstants.HNSW_ALGO_EF_SEARCH; | ||
| import static org.opensearch.knn.common.KNNConstants.SPACE_TYPE; | ||
| import static org.opensearch.knn.index.IndexUtil.getParametersAtLoading; | ||
| import static org.opensearch.knn.index.KNNSettings.KNN_ALGO_PARAM_EF_SEARCH; | ||
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| public class IndexUtilTests extends KNNTestCase { | ||
| public void testGetLoadParameters() { | ||
| // Test faiss to ensure that space type gets set properly | ||
| SpaceType spaceType1 = SpaceType.COSINESIMIL; | ||
| KNNEngine knnEngine1 = KNNEngine.FAISS; | ||
| String indexName = "my-test-index"; | ||
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| Map<String, Object> loadParameters = getParametersAtLoading(spaceType1, knnEngine1, indexName); | ||
| assertEquals(1, loadParameters.size()); | ||
| assertEquals(spaceType1.getValue(), loadParameters.get(SPACE_TYPE)); | ||
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| // Test nmslib to ensure both space type and ef search are properly set | ||
| SpaceType spaceType2 = SpaceType.L1; | ||
| KNNEngine knnEngine2 = KNNEngine.NMSLIB; | ||
| int efSearchValue = 413; | ||
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| // We use the constant for the setting here as opposed to the identifier of efSearch in nmslib jni | ||
| Map<String, Object> indexSettings = ImmutableMap.of( | ||
| KNN_ALGO_PARAM_EF_SEARCH, efSearchValue | ||
| ); | ||
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| // Because ef search comes from an index setting, we need to mock the long line of calls to get those | ||
| // index settings | ||
| Settings settings = Settings.builder().loadFromMap(indexSettings).build(); | ||
| IndexMetadata indexMetadata = mock(IndexMetadata.class); | ||
| when(indexMetadata.getSettings()).thenReturn(settings); | ||
| Metadata metadata = mock(Metadata.class); | ||
| when(metadata.index(anyString())).thenReturn(indexMetadata); | ||
| ClusterState clusterState = mock(ClusterState.class); | ||
| when(clusterState.getMetadata()).thenReturn(metadata); | ||
| ClusterService clusterService = mock(ClusterService.class); | ||
| when(clusterService.state()).thenReturn(clusterState); | ||
| KNNSettings.state().setClusterService(clusterService); | ||
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| loadParameters = getParametersAtLoading(spaceType2, knnEngine2, indexName); | ||
| assertEquals(2, loadParameters.size()); | ||
| assertEquals(spaceType2.getValue(), loadParameters.get(SPACE_TYPE)); | ||
| assertEquals(efSearchValue, loadParameters.get(HNSW_ALGO_EF_SEARCH)); | ||
| } | ||
| } |