Set INDICES_MAX_CLAUSE_COUNT dynamically (opensearch-project#13568) (o…

…pensearch-project#14436) --------- (cherry picked from commit c5c6024) Signed-off-by: Harsha Vamsi Kalluri <[email protected]> Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Signed-off-by: kkewwei <[email protected]>
kkewwei · Jul 24, 2024 · 8b4619b · 8b4619b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -20,6 +20,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `com.gradle.develocity` from 3.17.4 to 3.17.5 ([#14397](https://github.com/opensearch-project/OpenSearch/pull/14397))
 
 ### Changed
+- Updated the `indices.query.bool.max_clause_count` setting from being static to dynamically updateable ([#13568](https://github.com/opensearch-project/OpenSearch/pull/13568))
 
 ### Deprecated
 

diff --git a/server/src/internalClusterTest/java/org/opensearch/search/query/QueryStringIT.java b/server/src/internalClusterTest/java/org/opensearch/search/query/QueryStringIT.java
@@ -45,7 +45,7 @@
 import org.opensearch.index.query.QueryStringQueryBuilder;
 import org.opensearch.search.SearchHit;
 import org.opensearch.search.SearchHits;
-import org.opensearch.search.SearchModule;
+import org.opensearch.search.SearchService;
 import org.opensearch.test.ParameterizedStaticSettingsOpenSearchIntegTestCase;
 import org.junit.Before;
 import org.junit.BeforeClass;
@@ -101,7 +101,7 @@ public void setup() throws Exception {
     protected Settings nodeSettings(int nodeOrdinal) {
         return Settings.builder()
             .put(super.nodeSettings(nodeOrdinal))
-            .put(SearchModule.INDICES_MAX_CLAUSE_COUNT_SETTING.getKey(), CLUSTER_MAX_CLAUSE_COUNT)
+            .put(SearchService.INDICES_MAX_CLAUSE_COUNT_SETTING.getKey(), CLUSTER_MAX_CLAUSE_COUNT)
             .build();
     }
 

diff --git a/server/src/internalClusterTest/java/org/opensearch/search/query/SimpleQueryStringIT.java b/server/src/internalClusterTest/java/org/opensearch/search/query/SimpleQueryStringIT.java
@@ -57,7 +57,7 @@
 import org.opensearch.plugins.Plugin;
 import org.opensearch.search.SearchHit;
 import org.opensearch.search.SearchHits;
-import org.opensearch.search.SearchModule;
+import org.opensearch.search.SearchService;
 import org.opensearch.search.builder.SearchSourceBuilder;
 import org.opensearch.test.ParameterizedStaticSettingsOpenSearchIntegTestCase;
 import org.junit.BeforeClass;
@@ -79,6 +79,7 @@
 import static org.opensearch.index.query.QueryBuilders.simpleQueryStringQuery;
 import static org.opensearch.index.query.QueryBuilders.termQuery;
 import static org.opensearch.search.SearchService.CLUSTER_CONCURRENT_SEGMENT_SEARCH_SETTING;
+import static org.opensearch.search.SearchService.INDICES_MAX_CLAUSE_COUNT_SETTING;
 import static org.opensearch.test.StreamsUtils.copyToStringFromClasspath;
 import static org.opensearch.test.hamcrest.OpenSearchAssertions.assertAcked;
 import static org.opensearch.test.hamcrest.OpenSearchAssertions.assertFailures;
@@ -122,7 +123,7 @@ public static void createRandomClusterSetting() {
     protected Settings nodeSettings(int nodeOrdinal) {
         return Settings.builder()
             .put(super.nodeSettings(nodeOrdinal))
-            .put(SearchModule.INDICES_MAX_CLAUSE_COUNT_SETTING.getKey(), CLUSTER_MAX_CLAUSE_COUNT)
+            .put(SearchService.INDICES_MAX_CLAUSE_COUNT_SETTING.getKey(), CLUSTER_MAX_CLAUSE_COUNT)
             .build();
     }
 
@@ -720,6 +721,52 @@ public void testFieldAliasOnDisallowedFieldType() throws Exception {
         assertHits(response.getHits(), "1");
     }
 
+    public void testDynamicClauseCountUpdate() throws Exception {
+        client().prepareIndex("testdynamic").setId("1").setSource("field", "foo bar baz").get();
+        assertAcked(
+            client().admin()
+                .cluster()
+                .prepareUpdateSettings()
+                .setTransientSettings(Settings.builder().put(INDICES_MAX_CLAUSE_COUNT_SETTING.getKey(), CLUSTER_MAX_CLAUSE_COUNT - 1))
+        );
+        refresh();
+        StringBuilder sb = new StringBuilder("foo");
+
+        // create clause_count + 1 clauses to hit error
+        for (int i = 0; i <= CLUSTER_MAX_CLAUSE_COUNT; i++) {
+            sb.append(" OR foo" + i);
+        }
+
+        QueryStringQueryBuilder qb = queryStringQuery(sb.toString()).field("field");
+
+        SearchPhaseExecutionException e = expectThrows(SearchPhaseExecutionException.class, () -> {
+            client().prepareSearch("testdynamic").setQuery(qb).get();
+        });
+
+        assert (e.getDetailedMessage().contains("maxClauseCount is set to " + (CLUSTER_MAX_CLAUSE_COUNT - 1)));
+
+        // increase clause count by 2
+        assertAcked(
+            client().admin()
+                .cluster()
+                .prepareUpdateSettings()
+                .setTransientSettings(Settings.builder().put(INDICES_MAX_CLAUSE_COUNT_SETTING.getKey(), CLUSTER_MAX_CLAUSE_COUNT + 2))
+        );
+
+        Thread.sleep(1);
+
+        SearchResponse response = client().prepareSearch("testdynamic").setQuery(qb).get();
+        assertHitCount(response, 1);
+        assertHits(response.getHits(), "1");
+
+        assertAcked(
+            client().admin()
+                .cluster()
+                .prepareUpdateSettings()
+                .setTransientSettings(Settings.builder().putNull(INDICES_MAX_CLAUSE_COUNT_SETTING.getKey()))
+        );
+    }
+
     private void assertHits(SearchHits hits, String... ids) {
         assertThat(hits.getTotalHits().value, equalTo((long) ids.length));
         Set<String> hitIds = new HashSet<>();

diff --git a/server/src/main/java/org/opensearch/common/settings/ClusterSettings.java b/server/src/main/java/org/opensearch/common/settings/ClusterSettings.java
@@ -151,7 +151,6 @@
 import org.opensearch.repositories.fs.FsRepository;
 import org.opensearch.rest.BaseRestHandler;
 import org.opensearch.script.ScriptService;
-import org.opensearch.search.SearchModule;
 import org.opensearch.search.SearchService;
 import org.opensearch.search.aggregations.MultiBucketConsumerService;
 import org.opensearch.search.backpressure.settings.NodeDuressSettings;
@@ -541,6 +540,7 @@ public void apply(Settings value, Settings current, Settings previous) {
                 SearchService.MAX_OPEN_PIT_CONTEXT,
                 SearchService.MAX_PIT_KEEPALIVE_SETTING,
                 SearchService.MAX_AGGREGATION_REWRITE_FILTERS,
+                SearchService.INDICES_MAX_CLAUSE_COUNT_SETTING,
                 SearchService.CARDINALITY_AGGREGATION_PRUNING_THRESHOLD,
                 CreatePitController.PIT_INIT_KEEP_ALIVE,
                 Node.WRITE_PORTS_FILE_SETTING,
@@ -591,7 +591,6 @@ public void apply(Settings value, Settings current, Settings previous) {
                 ResourceWatcherService.RELOAD_INTERVAL_HIGH,
                 ResourceWatcherService.RELOAD_INTERVAL_MEDIUM,
                 ResourceWatcherService.RELOAD_INTERVAL_LOW,
-                SearchModule.INDICES_MAX_CLAUSE_COUNT_SETTING,
                 ThreadPool.ESTIMATED_TIME_INTERVAL_SETTING,
                 FastVectorHighlighter.SETTING_TV_HIGHLIGHT_MULTI_VALUE,
                 Node.BREAKER_TYPE_KEY,

diff --git a/server/src/main/java/org/opensearch/index/search/QueryParserHelper.java b/server/src/main/java/org/opensearch/index/search/QueryParserHelper.java
@@ -38,7 +38,7 @@
 import org.opensearch.index.mapper.MappedFieldType;
 import org.opensearch.index.query.QueryShardContext;
 import org.opensearch.index.query.QueryShardException;
-import org.opensearch.search.SearchModule;
+import org.opensearch.search.SearchService;
 
 import java.util.Collection;
 import java.util.HashMap;
@@ -180,7 +180,7 @@ static Map<String, Float> resolveMappingField(
     }
 
     static void checkForTooManyFields(int numberOfFields, QueryShardContext context, @Nullable String inputPattern) {
-        Integer limit = SearchModule.INDICES_MAX_CLAUSE_COUNT_SETTING.get(context.getIndexSettings().getSettings());
+        int limit = SearchService.INDICES_MAX_CLAUSE_COUNT_SETTING.get(context.getIndexSettings().getSettings());
         if (numberOfFields > limit) {
             StringBuilder errorMsg = new StringBuilder("field expansion ");
             if (inputPattern != null) {

diff --git a/server/src/main/java/org/opensearch/search/SearchModule.java b/server/src/main/java/org/opensearch/search/SearchModule.java
@@ -37,7 +37,6 @@
 import org.opensearch.common.Nullable;
 import org.opensearch.common.geo.GeoShapeType;
 import org.opensearch.common.geo.ShapesAvailability;
-import org.opensearch.common.settings.Setting;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.xcontent.ParseFieldRegistry;
 import org.opensearch.core.ParseField;
@@ -318,13 +317,6 @@
  * @opensearch.internal
  */
 public class SearchModule {
-    public static final Setting<Integer> INDICES_MAX_CLAUSE_COUNT_SETTING = Setting.intSetting(
-        "indices.query.bool.max_clause_count",
-        1024,
-        1,
-        Integer.MAX_VALUE,
-        Setting.Property.NodeScope
-    );
 
     private final Map<String, Highlighter> highlighters;
     private final ParseFieldRegistry<MovAvgModel.AbstractModelParser> movingAverageModelParserRegistry = new ParseFieldRegistry<>(
@@ -1130,7 +1122,6 @@ private void registerQueryParsers(List<SearchPlugin> plugins) {
         registerQuery(new QuerySpec<>(MatchAllQueryBuilder.NAME, MatchAllQueryBuilder::new, MatchAllQueryBuilder::fromXContent));
         registerQuery(new QuerySpec<>(QueryStringQueryBuilder.NAME, QueryStringQueryBuilder::new, QueryStringQueryBuilder::fromXContent));
         registerQuery(new QuerySpec<>(BoostingQueryBuilder.NAME, BoostingQueryBuilder::new, BoostingQueryBuilder::fromXContent));
-        BooleanQuery.setMaxClauseCount(INDICES_MAX_CLAUSE_COUNT_SETTING.get(settings));
         registerQuery(new QuerySpec<>(BoolQueryBuilder.NAME, BoolQueryBuilder::new, BoolQueryBuilder::fromXContent));
         registerQuery(new QuerySpec<>(TermQueryBuilder.NAME, TermQueryBuilder::new, TermQueryBuilder::fromXContent));
         registerQuery(new QuerySpec<>(TermsQueryBuilder.NAME, TermsQueryBuilder::new, TermsQueryBuilder::fromXContent));

diff --git a/server/src/main/java/org/opensearch/search/SearchService.java b/server/src/main/java/org/opensearch/search/SearchService.java
@@ -35,6 +35,7 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.lucene.search.FieldDoc;
+import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.search.TopDocs;
 import org.opensearch.LegacyESVersion;
 import org.opensearch.OpenSearchException;
@@ -282,6 +283,15 @@ public class SearchService extends AbstractLifecycleComponent implements IndexEv
         Property.NodeScope
     );
 
+    public static final Setting<Integer> INDICES_MAX_CLAUSE_COUNT_SETTING = Setting.intSetting(
+        "indices.query.bool.max_clause_count",
+        1024,
+        1,
+        Integer.MAX_VALUE,
+        Setting.Property.NodeScope,
+        Setting.Property.Dynamic
+    );
+
     public static final Setting<Boolean> CLUSTER_ALLOW_DERIVED_FIELD_SETTING = Setting.boolSetting(
         "search.derived_field.enabled",
         true,
@@ -412,6 +422,9 @@ public SearchService(
         lowLevelCancellation = LOW_LEVEL_CANCELLATION_SETTING.get(settings);
         clusterService.getClusterSettings().addSettingsUpdateConsumer(LOW_LEVEL_CANCELLATION_SETTING, this::setLowLevelCancellation);
 
+        IndexSearcher.setMaxClauseCount(INDICES_MAX_CLAUSE_COUNT_SETTING.get(settings));
+        clusterService.getClusterSettings().addSettingsUpdateConsumer(INDICES_MAX_CLAUSE_COUNT_SETTING, IndexSearcher::setMaxClauseCount);
+
         allowDerivedField = CLUSTER_ALLOW_DERIVED_FIELD_SETTING.get(settings);
         clusterService.getClusterSettings().addSettingsUpdateConsumer(CLUSTER_ALLOW_DERIVED_FIELD_SETTING, this::setAllowDerivedField);
     }