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Posted to commits@druid.apache.org by "jtuglu1 (via GitHub)" <gi...@apache.org> on 2026/03/11 19:46:22 UTC
[PR] Support blacklist datanode dynamic config (druid)
jtuglu1 opened a new pull request, #19136:
URL: https://github.com/apache/druid/pull/19136
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Fixes #XXXX.
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##### Key changed/added classes in this PR
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* `OurBar`
* `TheirBaz`
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Re: [PR] Support blacklist datanode dynamic config (druid)
Posted by "jtuglu1 (via GitHub)" <gi...@apache.org>.
jtuglu1 commented on code in PR #19136:
URL: https://github.com/apache/druid/pull/19136#discussion_r2928252792
##########
server/src/main/java/org/apache/druid/client/BrokerServerView.java:
##########
@@ -99,6 +105,28 @@ public BrokerServerView(
this.emitter = emitter;
this.brokerViewOfCoordinatorConfig = brokerViewOfCoordinatorConfig;
+ // Compose coordinator filter (clone semantics) with broker blacklist filter.
+ // Coordinator filter is applied first, then blacklisted nodes are excluded from the result.
+ this.compositeFilter = (servers, mode) -> {
+ final Int2ObjectRBTreeMap<Set<QueryableDruidServer>> afterCoordFilter =
+ brokerViewOfCoordinatorConfig.getQueryableServers(servers, mode);
+ final BrokerDynamicConfig brokerConfig = brokerViewOfBrokerConfig.getDynamicConfig();
+ if (brokerConfig == null || brokerConfig.getBlacklistedDataNodes().isEmpty()) {
+ return afterCoordFilter;
+ }
+ final Set<String> blacklisted = brokerConfig.getBlacklistedDataNodes();
+ final Int2ObjectRBTreeMap<Set<QueryableDruidServer>> result = new Int2ObjectRBTreeMap<>();
Review Comment:
This might be a bit expensive – nlogn in # of servers (which hopefully shouldn't be too bad). It didn't show up in profiles.
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Re: [PR] Support blacklist datanode dynamic config (druid)
Posted by "github-advanced-security[bot] (via GitHub)" <gi...@apache.org>.
github-advanced-security[bot] commented on code in PR #19136:
URL: https://github.com/apache/druid/pull/19136#discussion_r2920885599
##########
embedded-tests/src/test/java/org/apache/druid/testing/embedded/server/EmbeddedBrokerDynamicConfigTest.java:
##########
@@ -0,0 +1,166 @@
+/*
+ * 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.druid.testing.embedded.server;
+
+import com.google.common.collect.ImmutableSet;
+import org.apache.druid.common.utils.IdUtils;
+import org.apache.druid.indexing.common.task.TaskBuilder;
+import org.apache.druid.server.QueryBlocklistRule;
+import org.apache.druid.server.broker.BrokerDynamicConfig;
+import org.apache.druid.server.http.BrokerDynamicConfigSyncer;
+import org.apache.druid.testing.embedded.EmbeddedBroker;
+import org.apache.druid.testing.embedded.EmbeddedCoordinator;
+import org.apache.druid.testing.embedded.EmbeddedDruidCluster;
+import org.apache.druid.testing.embedded.EmbeddedHistorical;
+import org.apache.druid.testing.embedded.EmbeddedIndexer;
+import org.apache.druid.testing.embedded.EmbeddedOverlord;
+import org.apache.druid.testing.embedded.indexing.Resources;
+import org.apache.druid.testing.embedded.junit5.EmbeddedClusterTestBase;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+
+import java.util.List;
+
+/**
+ * Integration test for broker dynamic configuration, covering {@code queryBlocklist}
+ * and {@code blacklistedDataNodes} features.
+ */
+public class EmbeddedBrokerDynamicConfigTest extends EmbeddedClusterTestBase
+{
+ private final EmbeddedCoordinator coordinator = new EmbeddedCoordinator();
+ private final EmbeddedOverlord overlord = new EmbeddedOverlord();
+ private final EmbeddedIndexer indexer = new EmbeddedIndexer();
+ private final EmbeddedHistorical historical = new EmbeddedHistorical();
+ private final EmbeddedBroker broker = new EmbeddedBroker();
+
+ @Override
+ protected EmbeddedDruidCluster createCluster()
+ {
+ indexer.addProperty("druid.segment.handoff.pollDuration", "PT0.1s");
+
+ return EmbeddedDruidCluster.withEmbeddedDerbyAndZookeeper()
+ .useLatchableEmitter()
+ .addServer(overlord)
+ .addServer(coordinator)
+ .addServer(indexer)
+ .addServer(historical)
+ .addServer(broker);
+ }
+
+ @BeforeAll
+ @Override
+ public void setup() throws Exception
+ {
+ super.setup();
+ ingestData();
+ cluster.callApi().waitForAllSegmentsToBeAvailable(dataSource, coordinator, broker);
+ }
+
+ @Test
+ @Timeout(30)
+ public void testQueryBlocklistBlocksMatchingQueries()
+ {
+ // Baseline: query succeeds before blocklist is applied
+ String initialResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ Assertions.assertFalse(initialResult.isBlank());
+
+ // Apply blocklist rule that matches all queries on this datasource
+ QueryBlocklistRule blockRule = new QueryBlocklistRule(
+ "block-test-datasource",
+ ImmutableSet.of(dataSource),
+ null,
+ null
+ );
+ updateBrokerDynamicConfig(
+ BrokerDynamicConfig.builder()
+ .withQueryBlocklist(List.of(blockRule))
+ .build()
+ );
+
+ // Query should now throw due to FORBIDDEN blocklist rule
+ Assertions.assertThrows(
+ RuntimeException.class,
+ () -> cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource)
+ );
+
+ // Clear the blocklist and verify queries resume
+ updateBrokerDynamicConfig(BrokerDynamicConfig.builder().build());
+ String finalResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ Assertions.assertFalse(finalResult.isBlank());
+ }
+
+ @Test
+ @Timeout(30)
+ public void testBlacklistedDataNodesExcludesNodesFromQueryRouting()
+ {
+ // Baseline: query returns data
+ String initialResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ int initialCount = Integer.parseInt(initialResult.trim());
+ Assertions.assertTrue(initialCount > 0, "Expected non-zero row count before blacklisting");
+
+ // Blacklist the historical node
+ String historicalHostAndPort = historical.bindings().selfNode().getHostAndPort();
+ updateBrokerDynamicConfig(
+ BrokerDynamicConfig.builder()
+ .withBlacklistedDataNodes(ImmutableSet.of(historicalHostAndPort))
+ .build()
+ );
+
+ // No servers are available for any segment, so the broker returns 0
+ String blacklistedResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ int blacklistedCount = Integer.parseInt(blacklistedResult.trim());
+ Assertions.assertEquals(0, blacklistedCount, "Expected 0 rows when historical is blacklisted");
+
+ // Clear the blacklist and verify data is accessible again
+ updateBrokerDynamicConfig(BrokerDynamicConfig.builder().build());
+ String restoredResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ int restoredCount = Integer.parseInt(restoredResult.trim());
Review Comment:
## Missing catch of NumberFormatException
Potential uncaught 'java.lang.NumberFormatException'.
[Show more details](https://github.com/apache/druid/security/code-scanning/10881)
##########
embedded-tests/src/test/java/org/apache/druid/testing/embedded/server/EmbeddedBrokerDynamicConfigTest.java:
##########
@@ -0,0 +1,166 @@
+/*
+ * 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.druid.testing.embedded.server;
+
+import com.google.common.collect.ImmutableSet;
+import org.apache.druid.common.utils.IdUtils;
+import org.apache.druid.indexing.common.task.TaskBuilder;
+import org.apache.druid.server.QueryBlocklistRule;
+import org.apache.druid.server.broker.BrokerDynamicConfig;
+import org.apache.druid.server.http.BrokerDynamicConfigSyncer;
+import org.apache.druid.testing.embedded.EmbeddedBroker;
+import org.apache.druid.testing.embedded.EmbeddedCoordinator;
+import org.apache.druid.testing.embedded.EmbeddedDruidCluster;
+import org.apache.druid.testing.embedded.EmbeddedHistorical;
+import org.apache.druid.testing.embedded.EmbeddedIndexer;
+import org.apache.druid.testing.embedded.EmbeddedOverlord;
+import org.apache.druid.testing.embedded.indexing.Resources;
+import org.apache.druid.testing.embedded.junit5.EmbeddedClusterTestBase;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+
+import java.util.List;
+
+/**
+ * Integration test for broker dynamic configuration, covering {@code queryBlocklist}
+ * and {@code blacklistedDataNodes} features.
+ */
+public class EmbeddedBrokerDynamicConfigTest extends EmbeddedClusterTestBase
+{
+ private final EmbeddedCoordinator coordinator = new EmbeddedCoordinator();
+ private final EmbeddedOverlord overlord = new EmbeddedOverlord();
+ private final EmbeddedIndexer indexer = new EmbeddedIndexer();
+ private final EmbeddedHistorical historical = new EmbeddedHistorical();
+ private final EmbeddedBroker broker = new EmbeddedBroker();
+
+ @Override
+ protected EmbeddedDruidCluster createCluster()
+ {
+ indexer.addProperty("druid.segment.handoff.pollDuration", "PT0.1s");
+
+ return EmbeddedDruidCluster.withEmbeddedDerbyAndZookeeper()
+ .useLatchableEmitter()
+ .addServer(overlord)
+ .addServer(coordinator)
+ .addServer(indexer)
+ .addServer(historical)
+ .addServer(broker);
+ }
+
+ @BeforeAll
+ @Override
+ public void setup() throws Exception
+ {
+ super.setup();
+ ingestData();
+ cluster.callApi().waitForAllSegmentsToBeAvailable(dataSource, coordinator, broker);
+ }
+
+ @Test
+ @Timeout(30)
+ public void testQueryBlocklistBlocksMatchingQueries()
+ {
+ // Baseline: query succeeds before blocklist is applied
+ String initialResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ Assertions.assertFalse(initialResult.isBlank());
+
+ // Apply blocklist rule that matches all queries on this datasource
+ QueryBlocklistRule blockRule = new QueryBlocklistRule(
+ "block-test-datasource",
+ ImmutableSet.of(dataSource),
+ null,
+ null
+ );
+ updateBrokerDynamicConfig(
+ BrokerDynamicConfig.builder()
+ .withQueryBlocklist(List.of(blockRule))
+ .build()
+ );
+
+ // Query should now throw due to FORBIDDEN blocklist rule
+ Assertions.assertThrows(
+ RuntimeException.class,
+ () -> cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource)
+ );
+
+ // Clear the blocklist and verify queries resume
+ updateBrokerDynamicConfig(BrokerDynamicConfig.builder().build());
+ String finalResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ Assertions.assertFalse(finalResult.isBlank());
+ }
+
+ @Test
+ @Timeout(30)
+ public void testBlacklistedDataNodesExcludesNodesFromQueryRouting()
+ {
+ // Baseline: query returns data
+ String initialResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ int initialCount = Integer.parseInt(initialResult.trim());
+ Assertions.assertTrue(initialCount > 0, "Expected non-zero row count before blacklisting");
+
+ // Blacklist the historical node
+ String historicalHostAndPort = historical.bindings().selfNode().getHostAndPort();
+ updateBrokerDynamicConfig(
+ BrokerDynamicConfig.builder()
+ .withBlacklistedDataNodes(ImmutableSet.of(historicalHostAndPort))
+ .build()
+ );
+
+ // No servers are available for any segment, so the broker returns 0
+ String blacklistedResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ int blacklistedCount = Integer.parseInt(blacklistedResult.trim());
Review Comment:
## Missing catch of NumberFormatException
Potential uncaught 'java.lang.NumberFormatException'.
[Show more details](https://github.com/apache/druid/security/code-scanning/10880)
##########
embedded-tests/src/test/java/org/apache/druid/testing/embedded/server/EmbeddedBrokerDynamicConfigTest.java:
##########
@@ -0,0 +1,166 @@
+/*
+ * 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.druid.testing.embedded.server;
+
+import com.google.common.collect.ImmutableSet;
+import org.apache.druid.common.utils.IdUtils;
+import org.apache.druid.indexing.common.task.TaskBuilder;
+import org.apache.druid.server.QueryBlocklistRule;
+import org.apache.druid.server.broker.BrokerDynamicConfig;
+import org.apache.druid.server.http.BrokerDynamicConfigSyncer;
+import org.apache.druid.testing.embedded.EmbeddedBroker;
+import org.apache.druid.testing.embedded.EmbeddedCoordinator;
+import org.apache.druid.testing.embedded.EmbeddedDruidCluster;
+import org.apache.druid.testing.embedded.EmbeddedHistorical;
+import org.apache.druid.testing.embedded.EmbeddedIndexer;
+import org.apache.druid.testing.embedded.EmbeddedOverlord;
+import org.apache.druid.testing.embedded.indexing.Resources;
+import org.apache.druid.testing.embedded.junit5.EmbeddedClusterTestBase;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+
+import java.util.List;
+
+/**
+ * Integration test for broker dynamic configuration, covering {@code queryBlocklist}
+ * and {@code blacklistedDataNodes} features.
+ */
+public class EmbeddedBrokerDynamicConfigTest extends EmbeddedClusterTestBase
+{
+ private final EmbeddedCoordinator coordinator = new EmbeddedCoordinator();
+ private final EmbeddedOverlord overlord = new EmbeddedOverlord();
+ private final EmbeddedIndexer indexer = new EmbeddedIndexer();
+ private final EmbeddedHistorical historical = new EmbeddedHistorical();
+ private final EmbeddedBroker broker = new EmbeddedBroker();
+
+ @Override
+ protected EmbeddedDruidCluster createCluster()
+ {
+ indexer.addProperty("druid.segment.handoff.pollDuration", "PT0.1s");
+
+ return EmbeddedDruidCluster.withEmbeddedDerbyAndZookeeper()
+ .useLatchableEmitter()
+ .addServer(overlord)
+ .addServer(coordinator)
+ .addServer(indexer)
+ .addServer(historical)
+ .addServer(broker);
+ }
+
+ @BeforeAll
+ @Override
+ public void setup() throws Exception
+ {
+ super.setup();
+ ingestData();
+ cluster.callApi().waitForAllSegmentsToBeAvailable(dataSource, coordinator, broker);
+ }
+
+ @Test
+ @Timeout(30)
+ public void testQueryBlocklistBlocksMatchingQueries()
+ {
+ // Baseline: query succeeds before blocklist is applied
+ String initialResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ Assertions.assertFalse(initialResult.isBlank());
+
+ // Apply blocklist rule that matches all queries on this datasource
+ QueryBlocklistRule blockRule = new QueryBlocklistRule(
+ "block-test-datasource",
+ ImmutableSet.of(dataSource),
+ null,
+ null
+ );
+ updateBrokerDynamicConfig(
+ BrokerDynamicConfig.builder()
+ .withQueryBlocklist(List.of(blockRule))
+ .build()
+ );
+
+ // Query should now throw due to FORBIDDEN blocklist rule
+ Assertions.assertThrows(
+ RuntimeException.class,
+ () -> cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource)
+ );
+
+ // Clear the blocklist and verify queries resume
+ updateBrokerDynamicConfig(BrokerDynamicConfig.builder().build());
+ String finalResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ Assertions.assertFalse(finalResult.isBlank());
+ }
+
+ @Test
+ @Timeout(30)
+ public void testBlacklistedDataNodesExcludesNodesFromQueryRouting()
+ {
+ // Baseline: query returns data
+ String initialResult = cluster.callApi().runSql("SELECT COUNT(*) FROM %s", dataSource);
+ int initialCount = Integer.parseInt(initialResult.trim());
Review Comment:
## Missing catch of NumberFormatException
Potential uncaught 'java.lang.NumberFormatException'.
[Show more details](https://github.com/apache/druid/security/code-scanning/10879)
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Re: [PR] Support blacklist datanode dynamic config (druid)
Posted by "jtuglu1 (via GitHub)" <gi...@apache.org>.
jtuglu1 commented on PR #19136:
URL: https://github.com/apache/druid/pull/19136#issuecomment-4051741291
Going to close this out in favor of the clone historicals feature. We can get close enough to what we need with that.
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Re: [PR] Support blacklist datanode dynamic config (druid)
Posted by "github-advanced-security[bot] (via GitHub)" <gi...@apache.org>.
github-advanced-security[bot] commented on code in PR #19136:
URL: https://github.com/apache/druid/pull/19136#discussion_r2920752656
##########
server/src/test/java/org/apache/druid/client/selector/ServerSelectorTest.java:
##########
@@ -168,4 +174,67 @@
Assert.assertTrue(selector.hasData());
}
+ @Test
+ public void testFilterAppliedToRealtimeServers()
+ {
+ final DataSegment segment = DataSegment.builder()
Review Comment:
## Deprecated method or constructor invocation
Invoking [DataSegment.builder](1) should be avoided because it has been deprecated.
[Show more details](https://github.com/apache/druid/security/code-scanning/10878)
##########
server/src/main/java/org/apache/druid/client/selector/ServerSelector.java:
##########
@@ -155,7 +155,7 @@
.forEach(candidates::add);
if (candidates.size() < numCandidates) { //-V6007: false alarm due to a bug in PVS-Studio
- realtimeTierStrategy.pick(realtimeServers, segment.get(), numCandidates - candidates.size())
+ realtimeTierStrategy.pick(filter.getQueryableServers(realtimeServers, cloneQueryMode), segment.get(), numCandidates - candidates.size())
Review Comment:
## Deprecated method or constructor invocation
Invoking [TierSelectorStrategy.pick](1) should be avoided because it has been deprecated.
[Show more details](https://github.com/apache/druid/security/code-scanning/10877)
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Re: [PR] Support blacklist datanode dynamic config (druid)
Posted by "jtuglu1 (via GitHub)" <gi...@apache.org>.
jtuglu1 closed pull request #19136: Support blacklist datanode dynamic config
URL: https://github.com/apache/druid/pull/19136
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