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* the Apache License, Version 2.0 (the "License"); you may
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* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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package org.elasticsearch.index;
import org.apache.lucene.index.NoMergePolicy;
import org.apache.lucene.index.TieredMergePolicy;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.ByteSizeUnit;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import static org.elasticsearch.common.settings.Settings.Builder.EMPTY_SETTINGS;
import static org.elasticsearch.index.IndexSettingsTests.newIndexMeta;
import static org.hamcrest.Matchers.equalTo;
public class MergePolicySettingsTests extends ESTestCase {
protected final ShardId shardId = new ShardId("index", "_na_", 1);
public void testCompoundFileSettings() throws IOException {
assertThat(new MergePolicyConfig(logger, indexSettings(Settings.EMPTY)).getMergePolicy().getNoCFSRatio(), equalTo(0.1));
assertThat(new MergePolicyConfig(logger, indexSettings(build(true))).getMergePolicy().getNoCFSRatio(), equalTo(1.0));
assertThat(new MergePolicyConfig(logger, indexSettings(build(0.5))).getMergePolicy().getNoCFSRatio(), equalTo(0.5));
assertThat(new MergePolicyConfig(logger, indexSettings(build(1.0))).getMergePolicy().getNoCFSRatio(), equalTo(1.0));
assertThat(new MergePolicyConfig(logger, indexSettings(build("true"))).getMergePolicy().getNoCFSRatio(), equalTo(1.0));
assertThat(new MergePolicyConfig(logger, indexSettings(build("True"))).getMergePolicy().getNoCFSRatio(), equalTo(1.0));
assertThat(new MergePolicyConfig(logger, indexSettings(build("False"))).getMergePolicy().getNoCFSRatio(), equalTo(0.0));
assertThat(new MergePolicyConfig(logger, indexSettings(build("false"))).getMergePolicy().getNoCFSRatio(), equalTo(0.0));
assertThat(new MergePolicyConfig(logger, indexSettings(build(false))).getMergePolicy().getNoCFSRatio(), equalTo(0.0));
assertThat(new MergePolicyConfig(logger, indexSettings(build(0))).getMergePolicy().getNoCFSRatio(), equalTo(0.0));
assertThat(new MergePolicyConfig(logger, indexSettings(build(0.0))).getMergePolicy().getNoCFSRatio(), equalTo(0.0));
}
private static IndexSettings indexSettings(Settings settings) {
return new IndexSettings(newIndexMeta("test", settings), Settings.EMPTY);
}
public void testNoMerges() {
MergePolicyConfig mp = new MergePolicyConfig(logger, indexSettings(Settings.builder().put(MergePolicyConfig.INDEX_MERGE_ENABLED, false).build()));
assertTrue(mp.getMergePolicy() instanceof NoMergePolicy);
}
public void testUpdateSettings() throws IOException {
IndexSettings indexSettings = indexSettings(EMPTY_SETTINGS);
assertThat(indexSettings.getMergePolicy().getNoCFSRatio(), equalTo(0.1));
indexSettings = indexSettings(build(0.9));
assertThat((indexSettings.getMergePolicy()).getNoCFSRatio(), equalTo(0.9));
indexSettings.updateIndexMetaData(newIndexMeta("index", build(0.1)));
assertThat((indexSettings.getMergePolicy()).getNoCFSRatio(), equalTo(0.1));
indexSettings.updateIndexMetaData(newIndexMeta("index", build(0.0)));
assertThat((indexSettings.getMergePolicy()).getNoCFSRatio(), equalTo(0.0));
indexSettings.updateIndexMetaData(newIndexMeta("index", build("true")));
assertThat((indexSettings.getMergePolicy()).getNoCFSRatio(), equalTo(1.0));
indexSettings.updateIndexMetaData(newIndexMeta("index", build("false")));
assertThat((indexSettings.getMergePolicy()).getNoCFSRatio(), equalTo(0.0));
}
public void testTieredMergePolicySettingsUpdate() throws IOException {
IndexSettings indexSettings = indexSettings(Settings.EMPTY);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getForceMergeDeletesPctAllowed(), MergePolicyConfig.DEFAULT_EXPUNGE_DELETES_ALLOWED, 0.0d);
indexSettings.updateIndexMetaData(newIndexMeta("index", Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_EXPUNGE_DELETES_ALLOWED_SETTING.getKey(), MergePolicyConfig.DEFAULT_EXPUNGE_DELETES_ALLOWED + 1.0d).build()));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getForceMergeDeletesPctAllowed(), MergePolicyConfig.DEFAULT_EXPUNGE_DELETES_ALLOWED + 1.0d, 0.0d);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getFloorSegmentMB(), MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.getMbFrac(), 0);
indexSettings.updateIndexMetaData(newIndexMeta("index", Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_FLOOR_SEGMENT_SETTING.getKey(), new ByteSizeValue(MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.getMb() + 1, ByteSizeUnit.MB)).build()));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getFloorSegmentMB(), new ByteSizeValue(MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.getMb() + 1, ByteSizeUnit.MB).getMbFrac(), 0.001);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getMaxMergeAtOnce(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE);
indexSettings.updateIndexMetaData(newIndexMeta("index", Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE_SETTING.getKey(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE - 1).build()));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getMaxMergeAtOnce(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE - 1);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getMaxMergeAtOnceExplicit(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE_EXPLICIT);
indexSettings.updateIndexMetaData(newIndexMeta("index", Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE_EXPLICIT_SETTING.getKey(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE_EXPLICIT - 1).build()));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getMaxMergeAtOnceExplicit(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE_EXPLICIT-1);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getMaxMergedSegmentMB(), MergePolicyConfig.DEFAULT_MAX_MERGED_SEGMENT.getMbFrac(), 0.0001);
indexSettings.updateIndexMetaData(newIndexMeta("index", Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGED_SEGMENT_SETTING.getKey(), new ByteSizeValue(MergePolicyConfig.DEFAULT_MAX_MERGED_SEGMENT.getBytes() + 1)).build()));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getMaxMergedSegmentMB(), new ByteSizeValue(MergePolicyConfig.DEFAULT_MAX_MERGED_SEGMENT.getBytes() + 1).getMbFrac(), 0.0001);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getReclaimDeletesWeight(), MergePolicyConfig.DEFAULT_RECLAIM_DELETES_WEIGHT, 0);
indexSettings.updateIndexMetaData(newIndexMeta("index", Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_RECLAIM_DELETES_WEIGHT_SETTING.getKey(), MergePolicyConfig.DEFAULT_RECLAIM_DELETES_WEIGHT + 1).build()));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getReclaimDeletesWeight(), MergePolicyConfig.DEFAULT_RECLAIM_DELETES_WEIGHT + 1, 0);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getSegmentsPerTier(), MergePolicyConfig.DEFAULT_SEGMENTS_PER_TIER, 0);
indexSettings.updateIndexMetaData(newIndexMeta("index", Settings.builder().put(MergePolicyConfig.INDEX_MERGE_POLICY_SEGMENTS_PER_TIER_SETTING.getKey(), MergePolicyConfig.DEFAULT_SEGMENTS_PER_TIER + 1).build()));
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getSegmentsPerTier(), MergePolicyConfig.DEFAULT_SEGMENTS_PER_TIER + 1, 0);
indexSettings.updateIndexMetaData(newIndexMeta("index", EMPTY_SETTINGS)); // see if defaults are restored
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getForceMergeDeletesPctAllowed(), MergePolicyConfig.DEFAULT_EXPUNGE_DELETES_ALLOWED, 0.0d);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getFloorSegmentMB(), new ByteSizeValue(MergePolicyConfig.DEFAULT_FLOOR_SEGMENT.getMb(), ByteSizeUnit.MB).getMbFrac(), 0.00);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getMaxMergeAtOnce(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getMaxMergeAtOnceExplicit(), MergePolicyConfig.DEFAULT_MAX_MERGE_AT_ONCE_EXPLICIT);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getMaxMergedSegmentMB(), new ByteSizeValue(MergePolicyConfig.DEFAULT_MAX_MERGED_SEGMENT.getBytes() + 1).getMbFrac(), 0.0001);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getReclaimDeletesWeight(), MergePolicyConfig.DEFAULT_RECLAIM_DELETES_WEIGHT, 0);
assertEquals(((TieredMergePolicy) indexSettings.getMergePolicy()).getSegmentsPerTier(), MergePolicyConfig.DEFAULT_SEGMENTS_PER_TIER, 0);
}
public Settings build(String value) {
return Settings.builder().put(MergePolicyConfig.INDEX_COMPOUND_FORMAT_SETTING.getKey(), value).build();
}
public Settings build(double value) {
return Settings.builder().put(MergePolicyConfig.INDEX_COMPOUND_FORMAT_SETTING.getKey(), value).build();
}
public Settings build(int value) {
return Settings.builder().put(MergePolicyConfig.INDEX_COMPOUND_FORMAT_SETTING.getKey(), value).build();
}
public Settings build(boolean value) {
return Settings.builder().put(MergePolicyConfig.INDEX_COMPOUND_FORMAT_SETTING.getKey(), value).build();
}
}