用华为云镜像源码编译Spark3.0.1-伙伴云

用华为云镜像源码编译Spark3.0.1

网友投稿 608 2022-05-30

1. 环境准备

git version 1.8.3.1

java version "1.8.0_221"

scala version 2.12.8

apache-maven-3.6.1

[root@hadoop001 spark]# yum install -y git

git clone https://github.com/apache/spark.git

这里可能会出现下面的问题

问题1：

Cloning into 'spark'...

fatal: unable to access 'https://github.com/apache/spark.git/': Could not resolve host: github.com; Unknown error

这种情况的解决办法如下：

[root@hadoop001 ~]# ping github.com

PING github.com (192.30.255.113) 56(84) bytes of data.

# 把 github.com 地址加入到 /etc/hosts 里面

[root@hadoop001 sourcecode]$ vim /etc/hosts

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4

::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

192.168.100.100 hadoop001

192.30.255.113 github.com

用华为云镜像源码编译Spark3.0.1

问题2：

[root@hadoop001 ~]# git clone https://github.com/apache/spark.git

Cloning into 'spark'...

fatal: unable to access 'https://github.com/apache/spark.git/': Failed connect to github.com:443; Connection refused

解决办法：先把子切换到全局，然后再取消，接着取消全局代理

[root@hadoop001 ~]# git config --global http.proxy http://127.0.0.1:1080

[root@hadoop001 ~]# git config --global https.proxy http://127.0.0.1:1080

[root@hadoop001 ~]# git config --global --unset http.proxy

[root@hadoop001 ~]# git config --global --unset https.proxy

查看 spark 源码包

[root@hadoop001 ~]# cd spark/

[root@hadoop001 spark]# ll

total 380

-rw-r--r-- 1 root root 2643 Nov 28 11:24 appveyor.yml

drwxr-xr-x 3 root root 4096 Nov 28 11:24 assembly

drwxr-xr-x 2 root root 4096 Nov 28 11:24 bin

drwxr-xr-x 2 root root 4096 Nov 28 11:24 binder

drwxr-xr-x 2 root root 4096 Nov 28 11:24 build

drwxr-xr-x 9 root root 4096 Nov 28 11:24 common

drwxr-xr-x 2 root root 4096 Nov 28 11:24 conf

-rw-r--r-- 1 root root 997 Nov 28 11:24 CONTRIBUTING.md

drwxr-xr-x 4 root root 4096 Nov 28 11:24 core

drwxr-xr-x 5 root root 4096 Nov 28 11:24 data

drwxr-xr-x 6 root root 4096 Nov 28 11:24 dev

drwxr-xr-x 9 root root 12288 Nov 28 11:24 docs

drwxr-xr-x 3 root root 4096 Nov 28 11:24 examples

drwxr-xr-x 12 root root 4096 Nov 28 11:24 external

drwxr-xr-x 3 root root 4096 Nov 28 11:24 graphx

drwxr-xr-x 3 root root 4096 Nov 28 11:24 hadoop-cloud

drwxr-xr-x 3 root root 4096 Nov 28 11:24 launcher

-rw-r--r-- 1 root root 13453 Nov 28 11:24 LICENSE

-rw-r--r-- 1 root root 23221 Nov 28 11:24 LICENSE-binary

drwxr-xr-x 2 root root 4096 Nov 28 11:24 licenses

drwxr-xr-x 2 root root 4096 Nov 28 11:24 licenses-binary

drwxr-xr-x 4 root root 4096 Nov 28 11:24 mllib

drwxr-xr-x 3 root root 4096 Nov 28 11:24 mllib-local

-rw-r--r-- 1 root root 2002 Nov 28 11:24 NOTICE

-rw-r--r-- 1 root root 57677 Nov 28 11:24 NOTICE-binary

-rw-r--r-- 1 root root 122016 Nov 28 11:24 pom.xml

drwxr-xr-x 2 root root 4096 Nov 28 11:24 project

drwxr-xr-x 7 root root 4096 Nov 28 11:24 python

drwxr-xr-x 3 root root 4096 Nov 28 11:24 R

-rw-r--r-- 1 root root 4488 Nov 28 11:24 README.md

drwxr-xr-x 3 root root 4096 Nov 28 11:24 repl

drwxr-xr-x 5 root root 4096 Nov 28 11:24 resource-managers

drwxr-xr-x 2 root root 4096 Nov 28 11:24 sbin

-rw-r--r-- 1 root root 20431 Nov 28 11:24 scalastyle-config.xml

drwxr-xr-x 6 root root 4096 Nov 28 11:24 sql

drwxr-xr-x 3 root root 4096 Nov 28 11:24 streaming

drwxr-xr-x 3 root root 4096 Nov 28 11:24 tools

查看 spark 分支情况

[root@hadoop001 spark]# git branch -a

* master

remotes/origin/HEAD -> origin/master

remotes/origin/branch-0.5

remotes/origin/branch-0.6

remotes/origin/branch-0.7

remotes/origin/branch-0.8

remotes/origin/branch-0.9

remotes/origin/branch-1.0

remotes/origin/branch-1.0-jdbc

remotes/origin/branch-1.1

remotes/origin/branch-1.2

remotes/origin/branch-1.3

remotes/origin/branch-1.4

remotes/origin/branch-1.5

remotes/origin/branch-1.6

remotes/origin/branch-2.0

remotes/origin/branch-2.1

remotes/origin/branch-2.2

remotes/origin/branch-2.3

remotes/origin/branch-2.4

remotes/origin/branch-3.0

remotes/origin/master

切换到 spark 3.0.1

[root@hadoop001 spark]# git checkout v3.0.1

Note: checking out 'v3.0.1'.

You are in 'detached HEAD' state. You can look around, make experimental

changes and commit them, and you can discard any commits you make in this

state without impacting any branches by performing another checkout.

If you want to create a new branch to retain commits you create, you may

do so (now or later) by using -b with the checkout command again. Example:

git checkout -b new_branch_name

HEAD is now at 2b147c4... Preparing Spark release v3.0.1-rc3

2. 修改 spark 源码

简单的修改一下 spark 源码，再编译，我们想要的结果是执行 spark-shell 后会在命令行里面多出现 “Hitman who wakes up at five in the morning”

[root@hadoop001 deploy]# vim /root/spark/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala

3. spark 源码编译

需要在 Maven 的 settings.xml 中添加如下内容，我是用的华为云镜像，也可以用阿里云镜像，如果有梯子可以不用国内的镜像

[root@hadoop001 ~]# vim /usr/manven/apache-maven-3.6.1/conf/settings.xml

huaweicloud

https://mirrors.huaweicloud.com/repository/maven/

nexus-aliyun

central

Nexus aliyun

http://maven.aliyun.com/nexus/content/groups/public

-->

......

cloudera

https://repository.cloudera.com/artifactory/cloudera-repos/

true

false

cloudera-profile

由于我的 hadoop 版本是基于 CDH 源码编译的，因此需要在 spark 源码目录下的 pom 文件添加 CDH maven 仓库

[root@hadoop001 spark]# vim /root/spark/pom.xml

cloudera

https://repository.cloudera.com/artifactory/cloudera-repos/

注意：在编译前需要检查所需要的软件是否安装成功

[root@hadoop001 spark]# echo $HADOOP_HOME

/home/hadoop/app/hadoop-2.6.0-cdh5.7.0

[root@hadoop001 spark]#

[root@hadoop001 spark]# echo $JAVA_HOME

/usr/java/jdk1.8.0_221

[root@hadoop001 spark]# echo $SCALA_HOME

/usr/scala/scala-2.12.8

[root@hadoop001 spark]# echo $MAVEN_HOME

/usr/maven/apache-maven-3.6.1

[root@hadoop001 spark]#/root/spark/dev/make-distribution.sh --name 2.6.0-cdh5.7.0 --tgz -Phadoop-2.6 -Phive -Phive-thriftserv

er -Pyarn -Pkubernetes -Dhadoop.version=2.6.0-cdh5.7.0

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Summary for Spark Project Parent POM 3.0.1:

[INFO]

[INFO] Spark Project Parent POM ........................... SUCCESS [ 2.695 s]

[INFO] Spark Project Tags ................................. SUCCESS [ 5.812 s]

[INFO] Spark Project Sketch ............................... SUCCESS [ 7.493 s]

[INFO] Spark Project Local DB ............................. SUCCESS [ 2.248 s]

[INFO] Spark Project Networking ........................... SUCCESS [ 4.814 s]

[INFO] Spark Project Shuffle Streaming Service ............ SUCCESS [ 1.749 s]

[INFO] Spark Project Unsafe ............................... SUCCESS [ 11.155 s]

[INFO] Spark Project Launcher ............................. SUCCESS [01:24 min]

[INFO] Spark Project Core ................................. SUCCESS [08:23 min]

[INFO] Spark Project ML Local Library ..................... SUCCESS [01:20 min]

[INFO] Spark Project GraphX ............................... SUCCESS [01:00 min]

[INFO] Spark Project Streaming ............................ SUCCESS [01:42 min]

[INFO] Spark Project Catalyst ............................. SUCCESS [05:16 min]

[INFO] Spark Project SQL .................................. SUCCESS [06:20 min]

[INFO] Spark Project ML Library ........................... SUCCESS [04:25 min]

[INFO] Spark Project Tools ................................ SUCCESS [ 31.632 s]

[INFO] Spark Project Hive ................................. SUCCESS [04:32 min]

[INFO] Spark Project REPL ................................. SUCCESS [ 29.968 s]

[INFO] Spark Project Assembly ............................. SUCCESS [ 5.102 s]

[INFO] Kafka 0.10+ Token Provider for Streaming ........... SUCCESS [ 36.694 s]

[INFO] Spark Integration for Kafka 0.10 ................... SUCCESS [01:48 min]

[INFO] Kafka 0.10+ Source for Structured Streaming ........ SUCCESS [01:26 min]

[INFO] Spark Project Examples ............................. SUCCESS [ 59.937 s]

[INFO] Spark Integration for Kafka 0.10 Assembly .......... SUCCESS [ 4.603 s]

[INFO] Spark Avro ......................................... SUCCESS [01:01 min]

[INFO] ------------------------------------------------------------------------

[INFO] BUILD SUCCESS

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 42:07 min

[INFO] Finished at: 2020-11-28T14:31:20+08:00

[INFO] ------------------------------------------------------------------------

4. 结果验证

[root@hadoop001 spark]# tar -zxvf /root/spark/spark-3.0.1-bin-2.6.0-cdh5.7.0.tgz /home/hadoop/app/

[root@hadoop001 bin]# ./spark-shell

20/11/28 15:45:01 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties

Setting default log level to "WARN".

To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel).

Spark context Web UI available at http://hadoop001:4040

Spark context available as 'sc' (master = local[*], app id = local-1606549507863).

Spark session available as 'spark'.

Welcome to

____ __

/ __/__ ___ _____/ /__

_\ \/ _ \/ _ `/ __/ '_/

/___/ .__/\_,_/_/ /_/\_\ version 3.0.1

/_/

Using Scala version 2.12.10 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_221)

Type in expressions to have them evaluated.

Type :help for more information.

scala>

很遗憾，发现不是我们想要的结果，检查编译后的版本，发现版本是 spark3.0.1 和想要的版本没有错误，那到底是哪里错误呢？

[root@hadoop001 deploy]# git branch -vv

* (detached from v3.0.1) 2b147c4 Preparing Spark release v3.0.1-rc3

master 13fd272 [origin/master] Spelling r common dev mlib external project streaming resource managers python

在命令行中执行 spark-submit –version 和 spark-shell –version 查看结果

发现加上 spark-shell –version 有自己想要的结果，但是直接 spark-shell 没有想要的结果，那么唯一的解释应该是修改源码的地方有误，修改源码的位置出错了，经过一番的查找，确实是修改源码的位置有错误，如果想要我们预先假设的结果，需要修改 spark repl 模块的源码，修改地方如下所示：

[root@hadoop001 repl]# vim /root/spark/repl/src/main/scala/org/apache/spark/repl/SparkILoop.scala

......

由于前面已经编译完了整个spark，而且只对 repl 模块做了修改，因此我们只对 repl 这个子模块编译即可。那么如何编译 repl 子模块呢？请看 spark 官网做了详细的介绍，首先进入源码 repl 模块的 pom.xml 文件中，发现定义了 spark-repl_2.12

[root@hadoop001 repl]# vim /root/spark/repl/pom.xml

......

org.apache.spark

spark-parent_2.12

3.0.1

../pom.xml

spark-repl_2.12

jar

Spark Project REPL

http://spark.apache.org/

Apache Spark 文档中关于 Spark 子模块的编译说明截图如下：

因此对 spark repl 子模块的编译操作步骤如下：

[root@hadoop001 spark]# ./build/mvn -pl :spark-repl_2.12 clean install

......

[INFO] --- maven-install-plugin:3.0.0-M1:install (default-install) @ spark-repl_2.12 ---

[INFO] Installing /root/spark/repl/target/spark-repl_2.12-3.0.1.jar to /root/.m2/repository/org/apache/spark/spark-repl_2.12/3.0.1/spark-repl_2.12-3.0.1.jar

[INFO] Installing /root/spark/repl/dependency-reduced-pom.xml to /root/.m2/repository/org/apache/spark/spark-repl_2.12/3.0.1/spark-repl_2.12-3.0.1.pom

[INFO] Installing /root/spark/repl/target/spark-repl_2.12-3.0.1-tests.jar to /root/.m2/repository/org/apache/spark/spark-repl_2.12/3.0.1/spark-repl_2.12-3.0.1-tests.jar

[INFO] Installing /root/spark/repl/target/spark-repl_2.12-3.0.1-sources.jar to /root/.m2/repository/org/apache/spark/spark-repl_2.12/3.0.1/spark-repl_2.12-3.0.1-sources.jar

[INFO] Installing /root/spark/repl/target/spark-repl_2.12-3.0.1-test-sources.jar to /root/.m2/repository/org/apache/spark/spark-repl_2.12/3.0.1/spark-repl_2.12-3.0.1-test-sources.jar

[INFO] Installing /root/spark/repl/target/spark-repl_2.12-3.0.1-javadoc.jar to /root/.m2/repository/org/apache/spark/spark-repl_2.12/3.0.1/spark-repl_2.12-3.0.1-javadoc.jar

[INFO] ------------------------------------------------------------------------

[INFO] BUILD SUCCESS

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 04:31 min

[INFO] Finished at: 2020-11-28T16:47:29+08:00

[INFO] ------------------------------------------------------------------------

替换掉原来的 spark-repl jar

[root@hadoop001 jars]# mv /home/hadoop/app/spark-3.0.1-bin-2.6.0-cdh5.7.0/jars/spark-repl_2.12-3.0.1.jar spark-repl_2.12-3.0.1.jar_bak

[root@hadoop001 target]# cp /root/spark/repl/target/spark-repl_2.12-3.0.1.jar /home/hadoop/app/spark-3.0.1-bin-2.6.0-cdh5.7.0/jars/

发现是我们预先假设的结果

5. 总结

在源码修改的过程中一定要注意，别修改错了，同时源码编译也是一个基本功，需要非常熟练的掌握，可能没有梯子的会在源码编译中遇到不少的错误，大多数错误是由于网络造成的。

参考文献

参考官网

http://spark.apache.org/docs/latest/building-spark.html

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