mirror of https://github.com/apache/kafka.git
Kafka 9626: Improve ACLAuthorizer.acls() performance
This PR avoids creation of unnecessary sets in AclAuthorizer.acls() method implementation. Perf results: **Old** ``` Benchmark (aclCount) (resourceCount) Mode Cnt Score Error Units AclAuthorizerBenchmark.testAclsIterator 5 5000 avgt 15 5.821 ? 0.309 ms/op AclAuthorizerBenchmark.testAclsIterator 5 10000 avgt 15 15.303 ? 0.107 ms/op AclAuthorizerBenchmark.testAclsIterator 5 50000 avgt 15 74.976 ? 0.543 ms/op AclAuthorizerBenchmark.testAclsIterator 10 5000 avgt 15 15.366 ? 0.184 ms/op AclAuthorizerBenchmark.testAclsIterator 10 10000 avgt 15 29.899 ? 0.129 ms/op AclAuthorizerBenchmark.testAclsIterator 10 50000 avgt 15 167.301 ? 1.723 ms/op AclAuthorizerBenchmark.testAclsIterator 15 5000 avgt 15 21.980 ? 0.114 ms/op AclAuthorizerBenchmark.testAclsIterator 15 10000 avgt 15 44.385 ? 0.255 ms/op AclAuthorizerBenchmark.testAclsIterator 15 50000 avgt 15 241.919 ? 3.955 ms/op ``` **New** ``` Benchmark (aclCount) (resourceCount) Mode Cnt Score Error Units AclAuthorizerBenchmark.testAclsIterator 5 5000 avgt 15 0.666 ? 0.004 ms/op AclAuthorizerBenchmark.testAclsIterator 5 10000 avgt 15 1.427 ? 0.015 ms/op AclAuthorizerBenchmark.testAclsIterator 5 50000 avgt 15 21.410 ? 0.225 ms/op AclAuthorizerBenchmark.testAclsIterator 10 5000 avgt 15 1.230 ? 0.018 ms/op AclAuthorizerBenchmark.testAclsIterator 10 10000 avgt 15 4.303 ? 0.744 ms/op AclAuthorizerBenchmark.testAclsIterator 10 50000 avgt 15 36.724 ? 0.409 ms/op AclAuthorizerBenchmark.testAclsIterator 15 5000 avgt 15 2.433 ? 0.379 ms/op AclAuthorizerBenchmark.testAclsIterator 15 10000 avgt 15 9.818 ? 0.214 ms/op AclAuthorizerBenchmark.testAclsIterator 15 50000 avgt 15 52.886 ? 0.525 ms/op ``` Author: Manikumar Reddy <manikumar.reddy@gmail.com> Author: Lucas Bradstreet <lucas@confluent.io> Reviewers: Ismael Juma <ismael@juma.me.uk>, Rajini Sivaram <rajinisivaram@googlemail.com>, Lucas Bradstreet <lucas@confluent.io> Closes #8199 from omkreddy/KAFKA-9626
This commit is contained in:
Manikumar Reddy
Manikumar Reddy
parent
ea0c027531
commit
8dff0b168a
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@ -40,7 +40,7 @@
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<allow class="kafka.utils.KafkaScheduler"/>
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<allow class="org.apache.kafka.clients.FetchSessionHandler"/>
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<allow pkg="org.mockito"/>
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<allow pkg="kafka.security.authorizer"/>
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<subpackage name="cache">
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</subpackage>
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@ -22,7 +22,7 @@ import java.util.concurrent.locks.ReentrantReadWriteLock
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import com.typesafe.scalalogging.Logger
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import kafka.api.KAFKA_2_0_IV1
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import kafka.security.authorizer.AclAuthorizer.VersionedAcls
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import kafka.security.authorizer.AclAuthorizer.{ResourceOrdering, VersionedAcls}
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import kafka.security.authorizer.AclEntry.ResourceSeparator
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import kafka.server.{KafkaConfig, KafkaServer}
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import kafka.utils.CoreUtils.{inReadLock, inWriteLock}
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@ -36,7 +36,7 @@ import org.apache.kafka.common.errors.{ApiException, InvalidRequestException, Un
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import org.apache.kafka.common.protocol.ApiKeys
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import org.apache.kafka.common.resource._
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import org.apache.kafka.common.security.auth.KafkaPrincipal
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import org.apache.kafka.common.utils.{Time, SecurityUtils}
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import org.apache.kafka.common.utils.{SecurityUtils, Time}
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import org.apache.kafka.server.authorizer.AclDeleteResult.AclBindingDeleteResult
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import org.apache.kafka.server.authorizer._
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import org.apache.zookeeper.client.ZKClientConfig
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@ -67,7 +67,7 @@ object AclAuthorizer {
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val WildcardHost = "*"
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// Orders by resource type, then resource pattern type and finally reverse ordering by name.
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private object ResourceOrdering extends Ordering[ResourcePattern] {
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class ResourceOrdering extends Ordering[ResourcePattern] {
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def compare(a: ResourcePattern, b: ResourcePattern): Int = {
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val rt = a.resourceType.compareTo(b.resourceType)
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@ -116,7 +116,7 @@ class AclAuthorizer extends Authorizer with Logging {
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private var extendedAclSupport: Boolean = _
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@volatile
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private var aclCache = new scala.collection.immutable.TreeMap[ResourcePattern, VersionedAcls]()(AclAuthorizer.ResourceOrdering)
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private var aclCache = new scala.collection.immutable.TreeMap[ResourcePattern, VersionedAcls]()(new ResourceOrdering)
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private val lock = new ReentrantReadWriteLock()
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// The maximum number of times we should try to update the resource acls in zookeeper before failing;
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@ -260,10 +260,15 @@ class AclAuthorizer extends Authorizer with Logging {
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override def acls(filter: AclBindingFilter): lang.Iterable[AclBinding] = {
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inReadLock(lock) {
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unorderedAcls.flatMap { case (resource, versionedAcls) =>
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versionedAcls.acls.map(acl => new AclBinding(resource, acl.ace))
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.filter(filter.matches)
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}.asJava
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val aclBindings = new util.ArrayList[AclBinding]()
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unorderedAcls.foreach { case (resource, versionedAcls) =>
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versionedAcls.acls.foreach { acl =>
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val binding = new AclBinding(resource, acl.ace)
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if (filter.matches(binding))
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aclBindings.add(binding)
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}
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}
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aclBindings
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}
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}
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@ -427,4 +427,8 @@ For a detailed description of spotbugs bug categories, see https://spotbugs.read
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<Bug pattern="RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT"/>
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</Match>
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<Match>
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<!-- Suppress warnings related to jmh generated code -->
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<Package name="org.apache.kafka.jmh.acl.generated"/>
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</Match>
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</FindBugsFilter>
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@ -0,0 +1,119 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.kafka.jmh.acl;
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import kafka.security.authorizer.AclAuthorizer;
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import kafka.security.authorizer.AclAuthorizer.VersionedAcls;
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import kafka.security.authorizer.AclEntry;
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import org.apache.kafka.common.acl.AccessControlEntry;
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import org.apache.kafka.common.acl.AclBindingFilter;
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import org.apache.kafka.common.acl.AclOperation;
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import org.apache.kafka.common.acl.AclPermissionType;
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import org.apache.kafka.common.resource.PatternType;
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import org.apache.kafka.common.resource.ResourcePattern;
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import org.apache.kafka.common.resource.ResourceType;
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import org.apache.kafka.common.security.auth.KafkaPrincipal;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Fork;
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import org.openjdk.jmh.annotations.Level;
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import org.openjdk.jmh.annotations.Measurement;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.OutputTimeUnit;
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import org.openjdk.jmh.annotations.Param;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.Setup;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.TearDown;
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import org.openjdk.jmh.annotations.Warmup;
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import scala.collection.JavaConverters;
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import scala.collection.immutable.TreeMap;
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import java.lang.reflect.Field;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.TimeUnit;
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@State(Scope.Benchmark)
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@Fork(value = 1)
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@Warmup(iterations = 5)
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@Measurement(iterations = 15)
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@BenchmarkMode(Mode.AverageTime)
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@OutputTimeUnit(TimeUnit.MILLISECONDS)
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public class AclAuthorizerBenchmark {
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@Param({"5000", "10000", "50000"})
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private int resourceCount;
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//no. of. rules per resource
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@Param({"5", "10", "15"})
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private int aclCount;
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private AclAuthorizer aclAuthorizer = new AclAuthorizer();
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private KafkaPrincipal principal = new KafkaPrincipal(KafkaPrincipal.USER_TYPE, "test-user");
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@Setup(Level.Trial)
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public void setup() throws Exception {
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setFieldValue(aclAuthorizer, AclAuthorizer.class.getDeclaredField("aclCache").getName(),
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prepareAclCache());
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}
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private void setFieldValue(Object obj, String fieldName, Object value) throws Exception {
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Field field = obj.getClass().getDeclaredField(fieldName);
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field.setAccessible(true);
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field.set(obj, value);
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}
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private TreeMap<ResourcePattern, VersionedAcls> prepareAclCache() {
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Map<ResourcePattern, Set<AclEntry>> aclEntries = new HashMap<>();
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for (int resourceId = 0; resourceId < resourceCount; resourceId++) {
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ResourcePattern resource = new ResourcePattern(
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(resourceId % 10 == 0) ? ResourceType.GROUP : ResourceType.TOPIC,
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"resource-" + resourceId,
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(resourceId % 5 == 0) ? PatternType.PREFIXED : PatternType.LITERAL);
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Set<AclEntry> entries = aclEntries.computeIfAbsent(resource, k -> new HashSet<>());
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for (int aclId = 0; aclId < aclCount; aclId++) {
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AccessControlEntry ace = new AccessControlEntry(principal.toString() + aclId,
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"*", AclOperation.READ, AclPermissionType.ALLOW);
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entries.add(new AclEntry(ace));
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}
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}
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TreeMap<ResourcePattern, VersionedAcls> aclCache = new TreeMap<>(new AclAuthorizer.ResourceOrdering());
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for (Map.Entry<ResourcePattern, Set<AclEntry>> entry : aclEntries.entrySet()) {
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aclCache = aclCache.updated(entry.getKey(),
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new VersionedAcls(JavaConverters.asScalaSetConverter(entry.getValue()).asScala().toSet(), 1));
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}
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return aclCache;
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}
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@TearDown(Level.Trial)
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public void tearDown() {
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aclAuthorizer.close();
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}
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@Benchmark
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public void testAclsIterator() {
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aclAuthorizer.acls(AclBindingFilter.ANY);
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}
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}
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