storm环境搭建及demo
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- 概述
- 文件下载
- 系统环境搭建和配置
- storm demo
- Q&A
参考
- 概述
Storm是一个开源的分布式实时计算系统,可以简单、可靠的处理大量的数据流。被称作“实时的hadoop”。Storm有很多使用场景:如实时分析,在线机器学习,持续计算, 分布式RPC,ETL等等。Storm支持水平扩展,具有高容错性,保证每个消息都会得到处理,而且处理速度很快(在一个小集群中,每个结点每秒可以处理 数以百万计的消息)。
* 文件下载1. zookeeper下载
下载地址:http://apache.fayea.com/zookeeper/zookeeper-3.3.6/zookeeper-3.3.6.tar.gz
1. storm下载
下载地址:http://mirrors.hust.edu.cn/apache/storm/apache-storm-1.0.3/apache-storm-1.0.3.tar.gz
* 系统环境搭建和配置1. 配置zookeeper(此处使用单节点配置)* * 上传zookeeper-3.3.6.tar.gz到centos服务器目录/home/temp * 解压tar -zxvf zookeeper-3.3.6.tar.gz * 移动到/usr/lib/zookeeper,mv zookeeper-3.3.6 /usr/lib/zookeeper * 配置zoo.cfg,cd /usr/lib/zookeeper/conf,cp zoo_sample.cfg zoo.cfg,配置示例参考:
# 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.maxClientCnxns=50# The number of milliseconds of each ticktickTime=2000# The number of ticks that the initial# synchronization phase can takeinitLimit=10# The number of ticks that can pass between# sending a request and getting an acknowledgementsyncLimit=5# the directory where the snapshot is stored.dataDir=/var/lib/zookeeper/data# the port at which the clients will connectclientPort=2181# the directory where the transaction logs are stored.dataLogDir=/var/lib/zookeeperserver.1=hadooplearn:2888:3888
* * 配置myid,echo 1>myid,移动myid文件到/var/lib/zookeeper/data目录,mv myid /var/lib/zookeeper/data/ * 启动zookeeper服务,cd /usr/lib/zookeeper,bin/zkServer.sh start * 验证zookeeper服务,bin/zkServer.sh status * zookeeper服务部署成功1. 配置storm(此处使用单节点)* * 上传apache-storm-1.0.3.tar.gz到centos服务器目录/home/temp * 解压,tar -zxvf apache-storm-1.0.3.tar.gz * 移动apache-storm-1.0.3到/usr/lib/apache-storm * 配置storm.yaml,cd /usr/lib/apache-storm/conf,配置示例参考:
# 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.
########### These MUST be filled in for a storm configurationstorm.zookeeper.servers: - "hadooplearn"# - "server2"nimbus.seeds: ["hadooplearn"]### ##### These may optionally be filled in:# ## List of custom serializations# topology.kryo.register:# - org.mycompany.MyType# - org.mycompany.MyType2: org.mycompany.MyType2Serializer### List of custom kryo decorators# topology.kryo.decorators:# - org.mycompany.MyDecorator### Locations of the drpc servers# drpc.servers:# - "server1"# - "server2"## Metrics Consumers# topology.metrics.consumer.register:# - class: "org.apache.storm.metric.LoggingMetricsConsumer"# parallelism.hint: 1# - class: "org.mycompany.MyMetricsConsumer"# parallelism.hint: 1# argument:# - endpoint: "metrics-collector.mycompany.org"
* * 启动nimbus,cd /usr/lib/apache-storm/bin,./storm nimbus * 启动storm web管理,cd /usr/lib/apache-storm/bin,./storm ui * 启动supervisor,cd /usr/lib/apache-storm/bin,./storm supervisor * 以后台服务运行的启动方式为:
nohup ./storm nimbus 1>/dev/null 2>&1 &
nohup ./storm ui 1>/dev/null 2>&1 &
nohup ./storm supervisor 1>/dev/null 2>&1 &
1. storm demo
下载地址:http://dl.download.csdn.net/down11/20170705/66e92331900ddcf5d5b88c37650b23dd.zip?response-content-disposition=attachment%3Bfilename%3D%22weekend-storm.zip%22&OSSAccessKeyId=9q6nvzoJGowBj4q1&Expires=1499244457&Signature=N%2BB5mmaOVn6OCxmCA5M6yLjjmJI%3D
* Q&A1. 如何杀死storm作业?
cd /usr/lib/apache-storm/bin,./storm kill ‘作业名称’,入示例中的作业名称为:demotopo
- 如何开发spout?
继承BaseRichSpout,实现open,declareOutputFields,nextTuple三个方法
- 如何开发bolt?
继承BaseBasicBolt,实现prepare,declareOutputFields,execute
- storm作业提交过程是怎样的?
创建TopologyBuilder实例builder
- 设置spout,builder.setSpout
- 多个spout时,下一个spout要指定本spout的输入spout,如:builder.setBolt(“upperbolt”, new UpperBolt(), 4).shuffleGrouping(“randomspout”);
- 用builder来创建一个topology,StormTopology demotop = builder.createTopology();
- 配置一些topology在集群中运行时的参数
- 将这个topology提交给storm集群运行:StormSubmitter.submitTopology(“demotopo”, conf, demotop);
运行jar包,提交Topologies,命令格式:storm jar 【jar路径】 【拓扑包名.拓扑类名】【stormIP地址】【storm端口】【拓扑名称】【参数】eg:storm jar /home/storm/storm-starter.jar storm.starter.WordCountTopology wordcountTop;
- 参考
http://zookeeper.apache.org/doc/r3.3.6/zookeeperStarted.html
http://storm.apache.org/releases/1.0.3/Setting-up-a-Storm-cluster.html
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