findingrish commented on code in PR #13365: URL: https://github.com/apache/druid/pull/13365#discussion_r1030017311
########## examples/bin/start-druid-main: ########## @@ -0,0 +1,436 @@ +#!/usr/bin/env python3 + +# 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. + +import sys +import os +import psutil +import pathlib +import multiprocessing +import argparse + +QUICKSTART_ROOT_CONFIG_PATH = "conf/druid/single-server/quickstart" + +MEMORY_GIGABYTES_IDENTIFIER = "g" +MEMORY_MEGABYTES_IDENTIFIER = "m" +SERVICE_SEPARATOR = "," + +MM_TASK_JAVAOPTS_ARRAY = ["-server", "-Duser.timezone=UTC","-Dfile.encoding=UTF-8","-XX:+ExitOnOutOfMemoryError","-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager"] +MM_TASK_MEMORY_TYPE_LOW = "low" +MM_TASK_MEMORY_TYPE_HIGH = "high" +MM_TASK_MEM_MAP = { + MM_TASK_MEMORY_TYPE_LOW: ["-Xms256m", "-Xmx256m", "-XX:MaxDirectMemorySize=256g"], + MM_TASK_MEMORY_TYPE_HIGH: ["-Xms1g", "-Xmx1g", "-XX:MaxDirectMemorySize=1g"] +} + +MM_TASK_JAVAOPTS_PROP = "-Ddruid.indexer.runner.javaOptsArray" +MM_TASK_WORKER_CAPACITY_PROP = "-Ddruid.worker.capacity" + +BROKER = "broker" +ROUTER = "router" +COORDINATOR = "coordinator-overlord" +HISTORICAL = "historical" +MM = "middleManager" +MM_TASK = "middleManager-task" +MM_TASK_COUNT = "task-count" + +DEFAULT_SERVICES = [ + BROKER, + ROUTER, + COORDINATOR, + HISTORICAL, + MM +] + +SERVICE_MEMORY_DISTRIBUTION_WEIGHT = { + MM: 0.5, + ROUTER: 1, + COORDINATOR: 15, + BROKER: 23, + HISTORICAL: 40, + MM_TASK: 15 +} + +SERVICE_MEMORY_LOWER_BOUND = { + MM: 64, + ROUTER: 128, + MM_TASK: 1024, + BROKER: 900, + COORDINATOR: 256, + HISTORICAL: 900 +} + +SERVICE_MEMORY_HEAP_PERCENTAGE = { + MM: 1, + ROUTER: 1, + COORDINATOR: 1, + BROKER: 0.60, + HISTORICAL: 0.40, + MM_TASK: 0.50 +} + +LOGGING_ENABLED = False + +def custom_print(message): + if LOGGING_ENABLED: + print(message) + +def error_and_exit(message): + sys.stderr.write(message + '\n') + sys.exit(1) + +def configure_parser(): + parser = argparse.ArgumentParser( + prog='Druid quickstart', + formatter_class=argparse.RawTextHelpFormatter, + epilog= +""" +sample usage: + start-druid + Start up all the services (including zk). + 50 - 80 percent of system memory is used. + start-druid -m=100g + Start up all the services (including zk) + using the given memory. + start-druid -m=100g --compute_only + Compute memory distribution and validate + arguments. + start-druid -m=100g -sl=broker,router + Start broker & router service, using 100g of memory. + Read config from conf/druid/single-server/quickstart. + start-druid -m=100g --sl=broker,router \\ + -cp=conf/druid/single-server/custom + Start broker & router service, using 100g of memory. + Read config from <config_path>. + Since <memory> is specified, exception is thrown if + jvm.config is present for any of the services. + start-druid -sl=broker,router \\ + -cp=conf/druid/single-server/custom + Start broker & router service, using system memory. + If jvm.config is specified for both the + services within <config_path>/<service>, + memory distribution is not calculated. + If jvm.config is present for either of the services, + exception is thrown. + If jvm.config is not present for both of the services, + memory distribution is calculated. + start-druid -m=100g \\ + -cp=conf/druid/single-server/custom \\ + -sl=broker,router \\ + --run_zk + Start broker, router and zookeeper. + zk config is read from conf/zk. +""" + ) + parser.add_argument('--memory', '-m', type=str, required=False, + help='Total memory for all processes (services and tasks, if any). \n' + 'This parameter is ignored if each service already has a jvm.config \n' + 'in the given conf directory. e.g. 500m, 4g, 6g\n') + parser.add_argument('--service_list', '-sl', type=str, required=False, + help='List of services to be started, subset of \n' + '{broker, router, middleManager, historical, coordinator-overlord}. \n' + 'If the argument is not given, all services \n' + 'and zookeeper is started. e.g. -sl=broker,historical') + parser.add_argument('--config_path', '-cp', type=str, required=False, Review Comment: I am using `--config`. -- This is an automated message from the Apache Git Service. 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