Mark fuzzy filter GA and remove experimental setting (opensearch-project#12631)

Signed-off-by: mgodwan <mgodwan@amazon.com>
Signed-off-by: Shivansh Arora <hishiv@amazon.com>

Author: mgodwan

CHANGELOG.md

@@ -144,6 +144,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Changed
 - Allow composite aggregation to run under a parent filter aggregation ([#11499](https://github.com/opensearch-project/OpenSearch/pull/11499))
 - Quickly compute terms aggregations when the top-level query is functionally match-all for a segment ([#11643](https://github.com/opensearch-project/OpenSearch/pull/11643))
+- Mark fuzzy filter GA and remove experimental setting ([12631](https://github.com/opensearch-project/OpenSearch/pull/12631))
 
 ### Deprecated
 

qa/rolling-upgrade/build.gradle

@@ -62,7 +62,6 @@ for (Version bwcVersion : BuildParams.bwcVersions.wireCompatible) {
       setting 'repositories.url.allowed_urls', 'http://snapshot.test*'
       setting 'path.repo', "${buildDir}/cluster/shared/repo/${baseName}"
       setting 'http.content_type.required', 'true'
-      systemProperty 'opensearch.experimental.optimize_doc_id_lookup.fuzzy_set.enabled', 'true'
     }
   }
 

server/src/main/java/org/opensearch/common/settings/FeatureFlagSettings.java

@@ -35,7 +35,6 @@ protected FeatureFlagSettings(
         FeatureFlags.TELEMETRY_SETTING,
         FeatureFlags.DATETIME_FORMATTER_CACHING_SETTING,
         FeatureFlags.WRITEABLE_REMOTE_INDEX_SETTING,
-        FeatureFlags.DOC_ID_FUZZY_SET_SETTING,
         FeatureFlags.REMOTE_STORE_MIGRATION_EXPERIMENTAL_SETTING,
         FeatureFlags.PLUGGABLE_CACHE_SETTING
     );

server/src/main/java/org/opensearch/common/util/FeatureFlags.java

@@ -59,11 +59,6 @@ public class FeatureFlags {
      */
     public static final String WRITEABLE_REMOTE_INDEX = "opensearch.experimental.feature.writeable_remote_index.enabled";
 
-    /**
-     * Gates the optimization to enable bloom filters for doc id lookup.
-     */
-    public static final String DOC_ID_FUZZY_SET = "opensearch.experimental.optimize_doc_id_lookup.fuzzy_set.enabled";
-
     /**
      * Gates the functionality of pluggable cache.
      * Enables OpenSearch to use pluggable caches with respective store names via setting.
@@ -133,7 +128,5 @@ public static boolean isEnabled(Setting<Boolean> featureFlag) {
         Property.NodeScope
     );
 
-    public static final Setting<Boolean> DOC_ID_FUZZY_SET_SETTING = Setting.boolSetting(DOC_ID_FUZZY_SET, false, Property.NodeScope);
-
     public static final Setting<Boolean> PLUGGABLE_CACHE_SETTING = Setting.boolSetting(PLUGGABLE_CACHE, false, Property.NodeScope);
 }

server/src/main/java/org/opensearch/index/IndexSettings.java

@@ -65,7 +65,6 @@
 import java.util.function.UnaryOperator;
 
 import static org.opensearch.Version.V_2_7_0;
-import static org.opensearch.common.util.FeatureFlags.DOC_ID_FUZZY_SET_SETTING;
 import static org.opensearch.common.util.FeatureFlags.SEARCHABLE_SNAPSHOT_EXTENDED_COMPATIBILITY;
 import static org.opensearch.index.codec.fuzzy.FuzzySetParameters.DEFAULT_FALSE_POSITIVE_PROBABILITY;
 import static org.opensearch.index.mapper.MapperService.INDEX_MAPPING_DEPTH_LIMIT_SETTING;
@@ -969,11 +968,8 @@ public IndexSettings(final IndexMetadata indexMetadata, final Settings nodeSetti
          */
         widenIndexSortType = IndexMetadata.SETTING_INDEX_VERSION_CREATED.get(settings).before(V_2_7_0);
 
-        boolean isOptimizeDocIdLookupUsingFuzzySetFeatureEnabled = FeatureFlags.isEnabled(DOC_ID_FUZZY_SET_SETTING);
-        if (isOptimizeDocIdLookupUsingFuzzySetFeatureEnabled) {
-            enableFuzzySetForDocId = scopedSettings.get(INDEX_DOC_ID_FUZZY_SET_ENABLED_SETTING);
-            docIdFuzzySetFalsePositiveProbability = scopedSettings.get(INDEX_DOC_ID_FUZZY_SET_FALSE_POSITIVE_PROBABILITY_SETTING);
-        }
+        setEnableFuzzySetForDocId(scopedSettings.get(INDEX_DOC_ID_FUZZY_SET_ENABLED_SETTING));
+        setDocIdFuzzySetFalsePositiveProbability(scopedSettings.get(INDEX_DOC_ID_FUZZY_SET_FALSE_POSITIVE_PROBABILITY_SETTING));
 
         scopedSettings.addSettingsUpdateConsumer(
             TieredMergePolicyProvider.INDEX_COMPOUND_FORMAT_SETTING,
@@ -1873,30 +1869,14 @@ public boolean isEnableFuzzySetForDocId() {
     }
 
     public void setEnableFuzzySetForDocId(boolean enableFuzzySetForDocId) {
-        verifyFeatureToSetDocIdFuzzySetSetting(enabled -> this.enableFuzzySetForDocId = enabled, enableFuzzySetForDocId);
+        this.enableFuzzySetForDocId = enableFuzzySetForDocId;
     }
 
     public double getDocIdFuzzySetFalsePositiveProbability() {
         return docIdFuzzySetFalsePositiveProbability;
     }
 
     public void setDocIdFuzzySetFalsePositiveProbability(double docIdFuzzySetFalsePositiveProbability) {
-        verifyFeatureToSetDocIdFuzzySetSetting(
-            fpp -> this.docIdFuzzySetFalsePositiveProbability = fpp,
-            docIdFuzzySetFalsePositiveProbability
-        );
-    }
-
-    private static <T> void verifyFeatureToSetDocIdFuzzySetSetting(Consumer<T> settingUpdater, T val) {
-        if (FeatureFlags.isEnabled(DOC_ID_FUZZY_SET_SETTING)) {
-            settingUpdater.accept(val);
-        } else {
-            throw new IllegalArgumentException(
-                "Fuzzy set for optimizing doc id lookup "
-                    + "cannot be enabled with feature flag ["
-                    + FeatureFlags.DOC_ID_FUZZY_SET
-                    + "] set to false"
-            );
-        }
+        this.docIdFuzzySetFalsePositiveProbability = docIdFuzzySetFalsePositiveProbability;
     }
 }

test/framework/src/main/java/org/opensearch/test/OpenSearchIntegTestCase.java

@@ -669,8 +669,6 @@ protected Settings featureFlagSettings() {
         // Enabling Telemetry setting by default
         featureSettings.put(FeatureFlags.TELEMETRY_SETTING.getKey(), true);
 
-        // Enabling fuzzy set for tests by default
-        featureSettings.put(FeatureFlags.DOC_ID_FUZZY_SET_SETTING.getKey(), true);
         return featureSettings.build();
     }