OmniaGM commented on code in PR #15158: URL: https://github.com/apache/kafka/pull/15158#discussion_r1459167324
########## server/src/main/java/org/apache/kafka/server/config/Defaults.java: ########## @@ -0,0 +1,278 @@ +/* + * 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.kafka.server.config; + +import org.apache.kafka.clients.CommonClientConfigs; +import org.apache.kafka.coordinator.group.Group; +import org.apache.kafka.coordinator.group.assignor.RangeAssignor; +import org.apache.kafka.common.config.SaslConfigs; +import org.apache.kafka.common.config.SslClientAuth; +import org.apache.kafka.common.config.SslConfigs; +import org.apache.kafka.common.config.internals.BrokerSecurityConfigs; +import org.apache.kafka.common.metrics.Sensor; +import org.apache.kafka.common.network.ListenerName; +import org.apache.kafka.common.security.auth.KafkaPrincipalBuilder; +import org.apache.kafka.common.security.auth.SecurityProtocol; +import org.apache.kafka.common.security.authenticator.DefaultKafkaPrincipalBuilder; +import org.apache.kafka.coordinator.group.OffsetConfig; +import org.apache.kafka.coordinator.transaction.TransactionLogConfig; +import org.apache.kafka.coordinator.transaction.TransactionStateManagerConfig; +import org.apache.kafka.raft.RaftConfig; +import org.apache.kafka.server.common.MetadataVersion; + +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.Locale; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +public class Defaults { + /** ********* Zookeeper Configuration *********/ + public static final int ZK_SESSION_TIMEOUT_MS = 18000; + public static final boolean ZK_ENABLE_SECURE_ACLS = false; + public static final int ZK_MAX_IN_FLIGHT_REQUESTS = 10; + public static final boolean ZK_SSL_CLIENT_ENABLE = false; + public static final String ZK_SSL_PROTOCOL = "TLSv1.2"; + public static final String ZK_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM = "HTTPS"; + public static final boolean ZK_SSL_CRL_ENABLE = false; + public static final boolean ZK_SSL_OCSP_ENABLE = false; + + /** ********* General Configuration *********/ + public static final boolean BROKER_ID_GENERATION_ENABLE = true; + public static final int MAX_RESERVED_BROKER_ID = 1000; + public static final int BROKER_ID = -1; + public static final int NUM_NETWORK_THREADS = 3; + public static final int NUM_IO_THREADS = 8; + public static final int BACKGROUND_THREADS = 10; + public static final int QUEUED_MAX_REQUESTS = 500; + public static final int QUEUED_MAX_REQUEST_BYTES = -1; + public static final int INITIAL_BROKER_REGISTRATION_TIMEOUT_MS = 60000; + public static final int BROKER_HEARTBEAT_INTERVAL_MS = 2000; + public static final int BROKER_SESSION_TIMEOUT_MS = 9000; + public static final int METADATA_SNAPSHOT_MAX_NEW_RECORD_BYTES = 20 * 1024 * 1024; + public static final long METADATA_SNAPSHOT_MAX_INTERVAL_MS = TimeUnit.HOURS.toMillis(1); + public static final int METADATA_MAX_IDLE_INTERVAL_MS = 500; + public static final int METADATA_MAX_RETENTION_BYTES = 100 * 1024 * 1024; + public static final boolean DELETE_TOPIC_ENABLE = true; + /** ********* KRaft mode configs *********/ + public static final int EMPTY_NODE_ID = -1; + public static final long SERVER_MAX_STARTUP_TIME_MS = Long.MAX_VALUE; + + /************* Authorizer Configuration ***********/ + public static final String AUTHORIZER_CLASS_NAME = ""; + + /** ********* Socket Server Configuration *********/ + public static final String LISTENERS = "PLAINTEXT://:9092"; + //TODO: Replace this with EndPoint.DefaultSecurityProtocolMap once EndPoint is out of core. + public static final String LISTENER_SECURITY_PROTOCOL_MAP = Arrays.stream(SecurityProtocol.values()) + .collect(Collectors.toMap(sp -> ListenerName.forSecurityProtocol(sp), sp -> sp)) + .entrySet() + .stream() + .map(entry -> entry.getKey().value() + ":" + entry.getValue().name()) + .collect(Collectors.joining(",")); + public static final int SOCKET_SEND_BUFFER_BYTES = 100 * 1024; + public static final int SOCKET_RECEIVE_BUFFER_BYTES = 100 * 1024; + public static final int SOCKET_REQUEST_MAX_BYTES = 100 * 1024 * 1024; + public static final int SOCKET_LISTEN_BACKLOG_SIZE = 50; + public static final int MAX_CONNECTIONS_PER_IP = Integer.MAX_VALUE; + public static final String MAX_CONNECTIONS_PER_IP_OVERRIDES = ""; + public static final int MAX_CONNECTIONS = Integer.MAX_VALUE; + public static final int MAX_CONNECTION_CREATION_RATE = Integer.MAX_VALUE; + public static final long CONNECTIONS_MAX_IDLE_MS = 10 * 60 * 1000L; + public static final int REQUEST_TIMEOUT_MS = 30000; + public static final long CONNECTION_SETUP_TIMEOUT_MS = CommonClientConfigs.DEFAULT_SOCKET_CONNECTION_SETUP_TIMEOUT_MS; + public static final long CONNECTION_SETUP_TIMEOUT_MAX_MS = CommonClientConfigs.DEFAULT_SOCKET_CONNECTION_SETUP_TIMEOUT_MAX_MS; + public static final int FAILED_AUTHENTICATION_DELAY_MS = 100; + + /** ********* Log Configuration *********/ + public static final int NUM_PARTITIONS = 1; + public static final String LOG_DIR = "/tmp/kafka-logs"; + public static final long LOG_CLEANUP_INTERVAL_MS = 5 * 60 * 1000L; + public static final int LOG_CLEANER_THREADS = 1; + public static final double LOG_CLEANER_IO_MAX_BYTES_PER_SECOND = Double.MAX_VALUE; + public static final long LOG_CLEANER_DEDUPE_BUFFER_SIZE = 128 * 1024 * 1024L; + public static final int LOG_CLEANER_IO_BUFFER_SIZE = 512 * 1024; + public static final double LOG_CLEANER_DEDUPE_BUFFER_LOAD_FACTOR = 0.9d; + public static final int LOG_CLEANER_BACKOFF_MS = 15 * 1000; + public static final boolean LOG_CLEANER_ENABLE = true; + public static final int LOG_FLUSH_OFFSET_CHECKPOINT_INTERVAL_MS = 60000; + public static final int LOG_FLUSH_START_OFFSET_CHECKPOINT_INTERVAL_MS = 60000; + public static final int NUM_RECOVERY_THREADS_PER_DATA_DIR = 1; + public static final boolean AUTO_CREATE_TOPICS_ENABLE = true; + + /** ********* Replication configuration *********/ + public static final int CONTROLLER_SOCKET_TIMEOUT_MS = REQUEST_TIMEOUT_MS; + public static final int REPLICATION_FACTOR = 1; + public static final long REPLICA_LAG_TIME_MAX_MS = 30000L; + public static final int REPLICA_SOCKET_TIMEOUT_MS = 30 * 1000; + public static final int REPLICA_SOCKET_RECEIVE_BUFFER_BYTES = 64 * 1024; + public static final int REPLICA_FETCH_MAX_BYTES = 1024 * 1024; + public static final int REPLICA_FETCH_WAIT_MAX_MS = 500; + public static final int REPLICA_FETCH_MIN_BYTES = 1; + public static final int REPLICA_FETCH_RESPONSE_MAX_BYTES = 10 * 1024 * 1024; + public static final int NUM_REPLICA_FETCHERS = 1; + public static final int REPLICA_FETCH_BACKOFF_MS = 1000; + public static final long REPLICA_HIGH_WATERMARK_CHECKPOINT_INTERVAL_MS = 5000L; + public static final int FETCH_PURGATORY_PURGE_INTERVAL_REQUESTS = 1000; + public static final int PRODUCER_PURGATORY_PURGE_INTERVAL_REQUESTS = 1000; + public static final int DELETE_RECORDS_PURGATORY_PURGE_INTERVAL_REQUESTS = 1; + public static final boolean AUTO_LEADER_REBALANCE_ENABLE = true; + public static final int LEADER_IMBALANCE_PER_BROKER_PERCENTAGE = 10; + public static final int LEADER_IMBALANCE_CHECK_INTERVAL_SECONDS = 300; + public static final String INTER_BROKER_SECURITY_PROTOCOL = SecurityProtocol.PLAINTEXT.toString(); + public static final String INTER_BROKER_PROTOCOL_VERSION = MetadataVersion.latestProduction().version(); + + /** ********* Controlled shutdown configuration *********/ + public static final int CONTROLLED_SHUTDOWN_MAX_RETRIES = 3; + public static final int CONTROLLED_SHUTDOWN_RETRY_BACKOFF_MS = 5000; + public static final boolean CONTROLLED_SHUTDOWN_ENABLE = true; + + /** ********* Group coordinator configuration *********/ + public static final int GROUP_MIN_SESSION_TIMEOUT_MS = 6000; + public static final int GROUP_MAX_SESSION_TIMEOUT_MS = 1800000; + public static final int GROUP_INITIAL_REBALANCE_DELAY_MS = 3000; + public static final int GROUP_MAX_SIZE = Integer.MAX_VALUE; + + /** ********* New group coordinator configs *********/ + public static final boolean NEW_GROUP_COORDINATOR_ENABLE = false; + public static final List<String> GROUP_COORDINATOR_REBALANCE_PROTOCOLS = Arrays.asList(Group.GroupType.CLASSIC.toString()); + public static final int GROUP_COORDINATOR_NUM_THREADS = 1; + + /** ********* Consumer group configs *********/ + public static final int CONSUMER_GROUP_SESSION_TIMEOUT_MS = 45000; + public static final int CONSUMER_GROUP_MIN_SESSION_TIMEOUT_MS = 45000; + public static final int CONSUMER_GROUP_MAX_SESSION_TIMEOUT_MS = 60000; + public static final int CONSUMER_GROUP_HEARTBEAT_INTERVAL_MS = 5000; + public static final int CONSUMER_GROUP_MIN_HEARTBEAT_INTERVAL_MS = 5000; + public static final int CONSUMER_GROUP_MAX_HEARTBEAT_INTERVAL_MS = 15000; + public static final int CONSUMER_GROUP_MAX_SIZE = Integer.MAX_VALUE; + public static final List<String> CONSUMER_GROUP_ASSIGNORS = Collections.singletonList(RangeAssignor.class.getName()); + + /** ********* Offset management configuration *********/ + public static final int OFFSET_METADATA_MAX_SIZE = OffsetConfig.DEFAULT_MAX_METADATA_SIZE; + public static final int OFFSETS_LOAD_BUFFER_SIZE = OffsetConfig.DEFAULT_LOAD_BUFFER_SIZE; + public static final short OFFSETS_TOPIC_REPLICATION_FACTOR = OffsetConfig.DEFAULT_OFFSETS_TOPIC_REPLICATION_FACTOR; + public static final int OFFSETS_TOPIC_PARTITIONS = OffsetConfig.DEFAULT_OFFSETS_TOPIC_NUM_PARTITIONS; + public static final int OFFSETS_TOPIC_SEGMENT_BYTES = OffsetConfig.DEFAULT_OFFSETS_TOPIC_SEGMENT_BYTES; + public static final int OFFSETS_TOPIC_COMPRESSION_CODEC = OffsetConfig.DEFAULT_OFFSETS_TOPIC_COMPRESSION_TYPE.id; + public static final int OFFSETS_RETENTION_MINUTES = 7 * 24 * 60; + public static final long OFFSETS_RETENTION_CHECK_INTERVAL_MS = OffsetConfig.DEFAULT_OFFSETS_RETENTION_CHECK_INTERVAL_MS; + public static final int OFFSET_COMMIT_TIMEOUT_MS = OffsetConfig.DEFAULT_OFFSET_COMMIT_TIMEOUT_MS; + public static final short OFFSET_COMMIT_REQUIRED_ACKS = OffsetConfig.DEFAULT_OFFSET_COMMIT_REQUIRED_ACKS; + + /** T********* ransaction management configuration *********/ Review Comment: fixed -- This is an automated message from the Apache Git Service. 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