一 、elasticsearch  和elasticsearch-head

1、下载 elasticsearch-6.3.1  ,下载地址 ：https://pan.baidu.com/s/1ymxyUMe5Bxv1dYlCNW5HKA

來源：http://t.zoukankan.com/feng-jjy-p-11905467.html

2、解压，修改config/elasticsearch.yml ，

设置  cluster.name: esapp  ，注意：这里跟后面的skywalking中的 storage.elasticsearch.namespace 一致 ， 以及设置允许跨域

# ======================== Elasticsearch Configuration =========================

#

# NOTE: Elasticsearch comes with reasonable defaults for most settings.

#       Before you set out to tweak and tune the configuration, make sure you

#       understand what are you trying to accomplish and the consequences.

#

# The primary way of configuring a node is via this file. This template lists

# the most important settings you may want to configure for a production cluster.

#

# Please consult the documentation for further information on configuration options:

# https://www.elastic.co/guide/en/elasticsearch/reference/index.html

#

# ---------------------------------- Cluster -----------------------------------

#

# Use a descriptive name for your cluster:

#

cluster.name: esapp

#

# ------------------------------------ Node ------------------------------------

#

# Use a descriptive name for the node:

#

node.name: node-1

#

# Add custom attributes to the node:

#

#node.attr.rack: r1

#

# ----------------------------------- Paths ------------------------------------

#

# Path to directory where to store the data (separate multiple locations by comma):

#

#path.data: /path/to/data

#

# Path to log files:

#

#path.logs: /path/to/logs

#

# ----------------------------------- Memory -----------------------------------

#

# Lock the memory on startup:

#

#bootstrap.memory_lock: true

#

# Make sure that the heap size is set to about half the memory available

# on the system and that the owner of the process is allowed to use this

# limit.

#

# Elasticsearch performs poorly when the system is swapping the memory.

#

# ---------------------------------- Network -----------------------------------

#

# Set the bind address to a specific IP (IPv4 or IPv6):

#

network.host: 0.0.0.0

#

# Set a custom port for HTTP:

#

http.port: 9200

#

# For more information, consult the network module documentation.

#

# --------------------------------- Discovery ----------------------------------

#

# Pass an initial list of hosts to perform discovery when new node is started:

# The default list of hosts is ["127.0.0.1", "[::1]"]

#

#discovery.zen.ping.unicast.hosts: ["host1", "host2"]

#

# Prevent the "split brain" by configuring the majority of nodes (total number of master-eligible nodes / 2 + 1):

#

#discovery.zen.minimum_master_nodes:

#

# For more information, consult the zen discovery module documentation.

#

# ---------------------------------- Gateway -----------------------------------

#

# Block initial recovery after a full cluster restart until N nodes are started:

#

#gateway.recover_after_nodes: 3

#

# For more information, consult the gateway module documentation.

#

# ---------------------------------- Various -----------------------------------

#

# Require explicit names when deleting indices:

#

#action.destructive_requires_name: true

# 是否支持跨域

http.cors.enabled: true

# *表示支持所有域名

http.cors.allow-origin: "*"

http.cors.allow-headers: Authorization,X-Requested-With,Content-Length,Content-Type

3、 启动elasticsearch，若windows 的话，可以用bin/elasticsearch.bat 启动，可以看cmd的执行记录，可到logs 目录下查看启动的日志

若修改配置skywalking和elasticsearch 相互关联的配置的话，或者需要删除记录的话，删除data目录下的目录文件和数据，注意data目录要保留

4、下载 elasticsearch-head ， https://codeload.github.com/mobz/elasticsearch-head/zip/master

解压，放到chromer中(此步骤百度)

打开chrome浏览器

二、 zookeeper

若你skywalking的集群存储不是在zookeeper上，可以略过这步

1、下载  https://downloads.apache.org/zookeeper/zookeeper-3.6.3/apache-zookeeper-3.6.3-bin.tar.gz

2、解压，修改conf/zoo.cfg ，若单机版 无需修改

4、若要新增zookeeper 集群或者删除skywalking的集群记录的话，可以zoo.cfg 配置的dataDir的目录中的数据，比如配置的/tmp/zookeeper ，那就删除这个目录下面的目录和数据

三、apache-skywalking-apm    ，这个是服务器端的工具，以及UI

1、下载apache-skywalking-apm

在 https://skywalking.apache.org/downloads/中选择版本，我下载的是apache-skywalking-apm-8.8.1 版本，下载地址是 https://archive.apache.org/dist/skywalking/8.8.1/apache-skywalking-apm-8.8.1.tar.gz  ，注意：不是下载source的源码，是Distribution哦

2、解压打开config/application.yml  ,

2.1、修改cluster.selector 的配置， 因为要是用的是zookeeper，所以设置为zookeeper，也可以使用 kubernetes 、consul、etcd、nacos，注意：这里请使用ZooKeeper 3.5+ 的版本

2.2、设置 zookeeper的配置，因为要跟其他程序的namespace 区分开，所以设置成skywalking， 另外也可以hostPort 的值，因为我的本机模拟所以没做修改，如果是集群的话可以设置类似hostPort: ${SW_CLUSTER_ZK_HOST_PORT:192.168.1.2:2181,192.168.1.3:2181,192.168.1.4:2181}

cluster:

  selector: ${SW_CLUSTER:zookeeper}

  standalone:

  # Please check your ZooKeeper is 3.5+, However, it is also compatible with ZooKeeper 3.4.x. Replace the ZooKeeper 3.5+

  # library the oap-libs folder with your ZooKeeper 3.4.x library.

  zookeeper:

    namespace: ${SW_NAMESPACE:"skywalking"}

    hostPort: ${SW_CLUSTER_ZK_HOST_PORT:localhost:2181}

    # Retry Policy

    baseSleepTimeMs: ${SW_CLUSTER_ZK_SLEEP_TIME:1000} # initial amount of time to wait between retries

    maxRetries: ${SW_CLUSTER_ZK_MAX_RETRIES:3} # max number of times to retry

    # Enable ACL

    enableACL: ${SW_ZK_ENABLE_ACL:false} # disable ACL in default

    schema: ${SW_ZK_SCHEMA:digest} # only support digest schema

    expression: ${SW_ZK_EXPRESSION:skywalking:skywalking}

2.3、设置storage.selector 为elasticsearch ，若之前设置是elasticsearch 7的版本的话，这设置也要设置elasticsearch7才行

2.4、 设置 storage.elasticsearch.namespace （注意：这里跟后面的zookeeper的config目录下的elasticsearch.yml中cluster.name的配置节点 一致）  ，以及设置 storage.elasticsearch.clusterNodes

storage:

  selector: ${SW_STORAGE:elasticsearch}

  elasticsearch:

    namespace: ${SW_NAMESPACE:"esapp"}

    clusterNodes: ${SW_STORAGE_ES_CLUSTER_NODES:localhost:9200}

    protocol: ${SW_STORAGE_ES_HTTP_PROTOCOL:"http"}

    connectTimeout: ${SW_STORAGE_ES_CONNECT_TIMEOUT:500}

    socketTimeout: ${SW_STORAGE_ES_SOCKET_TIMEOUT:30000}

    numHttpClientThread: ${SW_STORAGE_ES_NUM_HTTP_CLIENT_THREAD:0}

    user: ${SW_ES_USER:""}

    password: ${SW_ES_PASSWORD:""}

    trustStorePath: ${SW_STORAGE_ES_SSL_JKS_PATH:""}

    trustStorePass: ${SW_STORAGE_ES_SSL_JKS_PASS:""}

    secretsManagementFile: ${SW_ES_SECRETS_MANAGEMENT_FILE:""} # Secrets management file in the properties format includes the username, password, which are managed by 3rd party tool.

    dayStep: ${SW_STORAGE_DAY_STEP:1} # Represent the number of days in the one minute/hour/day index.

    indexShardsNumber: ${SW_STORAGE_ES_INDEX_SHARDS_NUMBER:1} # Shard number of new indexes

    indexReplicasNumber: ${SW_STORAGE_ES_INDEX_REPLICAS_NUMBER:1} # Replicas number of new indexes

    # Super data set has been defined in the codes, such as trace segments.The following 3 config would be improve es performance when storage super size data in es.

    superDatasetDayStep: ${SW_SUPERDATASET_STORAGE_DAY_STEP:-1} # Represent the number of days in the super size dataset record index, the default value is the same as dayStep when the value is less than 0

    superDatasetIndexShardsFactor: ${SW_STORAGE_ES_SUPER_DATASET_INDEX_SHARDS_FACTOR:5} #  This factor provides more shards for the super data set, shards number = indexShardsNumber * superDatasetIndexShardsFactor. Also, this factor effects Zipkin and Jaeger traces.

    superDatasetIndexReplicasNumber: ${SW_STORAGE_ES_SUPER_DATASET_INDEX_REPLICAS_NUMBER:0} # Represent the replicas number in the super size dataset record index, the default value is 0.

    indexTemplateOrder: ${SW_STORAGE_ES_INDEX_TEMPLATE_ORDER:0} # the order of index template

    bulkActions: ${SW_STORAGE_ES_BULK_ACTIONS:5000} # Execute the async bulk record data every ${SW_STORAGE_ES_BULK_ACTIONS} requests

    # flush the bulk every 10 seconds whatever the number of requests

    # INT(flushInterval * 2/3) would be used for index refresh period.

    flushInterval: ${SW_STORAGE_ES_FLUSH_INTERVAL:15}

    concurrentRequests: ${SW_STORAGE_ES_CONCURRENT_REQUESTS:2} # the number of concurrent requests

    resultWindowMaxSize: ${SW_STORAGE_ES_QUERY_MAX_WINDOW_SIZE:10000}

    metadataQueryMaxSize: ${SW_STORAGE_ES_QUERY_MAX_SIZE:5000}

    segmentQueryMaxSize: ${SW_STORAGE_ES_QUERY_SEGMENT_SIZE:200}

    profileTaskQueryMaxSize: ${SW_STORAGE_ES_QUERY_PROFILE_TASK_SIZE:200}

    oapAnalyzer: ${SW_STORAGE_ES_OAP_ANALYZER:"{\"analyzer\":{\"oap_analyzer\":{\"type\":\"stop\"}}}"} # the oap analyzer.

    oapLogAnalyzer: ${SW_STORAGE_ES_OAP_LOG_ANALYZER:"{\"analyzer\":{\"oap_log_analyzer\":{\"type\":\"standard\"}}}"} # the oap log analyzer. It could be customized by the ES analyzer configuration to support more language log formats, such as Chinese log, Japanese log and etc.

    advanced: ${SW_STORAGE_ES_ADVANCED:""}

3、修改webapp/webapp.yml

因为的8080端口被占用了，所以 修改server.port 的端口 ，这个是UI前端展示，若电脑有多个ip的话也可以修改

spring.cloud.discovery.client.simple.instances.oap-service 的uri 配置

4、启动服务，在bin/startup 可以启动 ，启动完成后可以到logs/skywalking-oap-server.log 查看日志，有可能启动失败 或者连接不是zookeeper 等原因，下面截图这个是之前没启动zookeeper造成的失败问题

2022-07-11 15:55:43,239 - org.apache.zookeeper.ClientCnxn - 1244 [main-SendThread(localhost:2181)] INFO  [] - Socket error occurred: localhost/0:0:0:0:0:0:0:1:2181: Connection refused: no further information

2022-07-11 15:55:44,360 - org.apache.zookeeper.ClientCnxn - 1112 [main-SendThread(localhost:2181)] INFO  [] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)

56、打开浏览器进行查看，因为上面设置的端口是8090，则输入 http://localhost:8090/

五、apache-skywalking-java-agent

这个可以放到idea中到agent代理用

1、下载的是apache-skywalking-java-agent-8.8.0 ,下载地址 ：https://archive.apache.org/dist/skywalking/java-agent/8.8.0/apache-skywalking-java-agent-8.8.0.tgz    ，其它版本https://archive.apache.org/dist/skywalking/java-agent/8.9.0/apache-skywalking-java-agent-8.9.0.tgz

2、解压

六 、新增一个测试maven项目

1、 新建项目、

<dependencies>

<!--        <dependency>-->

<!--            <groupId>org.apache.skywalking</groupId>-->

<!--            <artifactId>apm-toolkit-logback-1.x</artifactId>-->

<!--            <version>8.4.0</version>-->

<!--        </dependency>-->

        <dependency>

            <groupId>org.projectlombok</groupId>

            <artifactId>lombok</artifactId>

            <version>${lombok.version}</version>

        </dependency>

        <!--fastjson-->

        <dependency>

            <groupId>com.alibaba</groupId>

            <artifactId>fastjson</artifactId>

            <version>${fastjson.version}</version>

        </dependency>

        <dependency>

            <groupId>org.mybatis.spring.boot</groupId>

            <artifactId>mybatis-spring-boot-starter</artifactId>

            <version>${mybatis.version}</version>

        </dependency>

        <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-web</artifactId>

    </dependency>

    <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-test</artifactId>

        <scope>test</scope>

    </dependency>

    <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-aop</artifactId>

    </dependency>

    </dependencies>

    <build>

        <finalName>${project.artifactId}</finalName>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

                <version>1.5.11.RELEASE</version>

                <executions>

                    <execution>

                        <goals>

                            <goal>repackage</goal>

                        </goals>

                    </execution>

                </executions>

            </plugin>

        </plugins>

    </build>
package com.zhianchen.skywalking;

import javafx.application.Application;

import lombok.extern.slf4j.Slf4j;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;

/*

 *

 *@Description TODO

 *@Author chenzhian

 *@Date 2022/7/8 16:41

 */

@SpringBootApplication(scanBasePackages = {"com.zhianchen.skywalking"},exclude = DataSourceAutoConfiguration.class)  //

@Slf4j

public class SkyWalkingApplication {

    public static void main(String[] args) {

        SpringApplication.run(SkyWalkingApplication.class);

    }

}
package com.zhianchen.skywalking.controller;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.RestController;

import java.util.Date;

/*

 *

 *@Description TODO

 *@Author chenzhian

 *@Date 2022/7/8 17:06

 */

@RestController

public class TestController {

    @RequestMapping(value = "/index",method = RequestMethod.GET)

    public String index(Object obj) {

        return new Date().toString();

    }

}

2、 配置VM options启动参数

-javaagent:目录\apache-skywalking-java-agent-8.8.0\skywalking-agent\skywalking-agent.jar

-Dskywalking.agent.service_name=Your_ApplicationName

-Dskywalking.collector.backend_service=127.0.0.1:11800

3、允许application

打开浏览器进行浏览（我配置的端口是9012）

http://localhost:9012/index

打开skywalking的UI前端进行查看是否有访问日志，有的话则算成功了

最终也可以到elasticsearch-head 查看存储记录

也可以查看之前的访问记录

SkyWalking 8 官方文档

https://skyapm.github.io/document-cn-translation-of-skywalking/zh/8.0.0/

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