Spring Native 入門實戰(zhàn)

基礎(chǔ)環(huán)境說明

GraalVM 是一種高性能的虛擬機，它可以顯著的提高程序的性能和運行效率，非常適合微服務。

下載地址如下，和普通 JDK 安裝一致:

• Linux (amd64) - link[1]
• Linux (aarch64) - link[2]
• MacOS (amd64) ? - link[3]
• Windows (amd64) - link[4]

PS: 如果使用 MacOS Catalina 及更新版本，請在安裝之前執(zhí)行以下命令，不然會提示文件已損壞。

sudo?xattr?-r?-d?com.apple.quarantine?path/to/graalvm/folder/

上手 Spring Native

• 基于https://start.spring.io[5] 創(chuàng)建項目

• 添加 native-image 構(gòu)建 profile

?<profiles>
??<profile>
???<id>native-image</id>
???<build>
????<plugins>
?????<plugin>
??????<groupId>org.graalvm.nativeimage</groupId>
??????<artifactId>native-image-maven-plugin</artifactId>
??????<version>21.0.0</version>
??????<configuration>
??????????????<!--?這里要指定?Main?方法的入口?-->
???????<mainClass>com.example.demo.DemoApplication</mainClass>
??????</configuration>
??????<executions>
???????<execution>
????????<goals>
?????????<goal>native-image</goal>
????????</goals>
????????<phase>package</phase>
???????</execution>
??????</executions>
?????</plugin>
????</plugins>
???</build>
??</profile>
?</profiles>

• 指定原有的 spring-boot-maven-plugin 構(gòu)建出 exec 程序

<plugin>
??<groupId>org.springframework.boot</groupId>
??<artifactId>spring-boot-maven-plugin</artifactId>
??<configuration>
????<!--執(zhí)行classifier為exec-->
????<classifier>exec</classifier>
????<image>
??????<builder>paketobuildpacks/builder:tiny</builder>
??????<env>
????????<BP_NATIVE_IMAGE>true</BP_NATIVE_IMAGE>
??????</env>
????</image>
??</configuration>
</plugin>

開始構(gòu)建

• 執(zhí)行 mvn 命令

?mvn?-Pnative-image?package

• 構(gòu)建成功, 耗時三分鐘。

[INFO]?BUILD?SUCCESS
[INFO]?------------------------------------------------------------------------
[INFO]?Total?time:?03:03?min
[INFO]?Finished?at:?2021-03-28T12:17:55+08:00
[INFO]?Final?Memory:?113M/310M
[INFO]?------------------------------------------------------------------------

ls?-lh?target/com.example.demo.demoapplication
-rwxr-xr-x??1?lengleng??staff????57M?Mar?28?12:17?target/com.example.demo.demoapplication

• 運行測試

target/com.example.demo.demoapplication

使用 upx 繼續(xù)壓縮

UPX - the Ultimate Packer for eXecutables 是一款開源的可執(zhí)行文件壓縮程序，可以壓縮常見平臺下的可執(zhí)行程序包。

• 安裝并壓縮 native-image 生成的執(zhí)行文件

brew?install?upx
upx?com.example.demo.demoapplication

• 壓縮為原來的 30% ,且能夠正常運行。

???????????????????????Ultimate?Packer?for?eXecutables
??????????????????????????Copyright?(C)?1996?-?2020
UPX?3.96????????Markus?Oberhumer,?Laszlo?Molnar?&?John?Reiser???Jan?23rd?2020

????????File?size?????????Ratio??????Format??????Name
???--------------------???------???-----------???-----------
??60185112?->??18501648???30.74%???macho/amd64???com.example.demo.demoapplication

Packed?1?file.

ls?-lh?target/com.example.demo.demoapplication
-rwxr-xr-x??1?lengleng??staff????18M?Mar?28?12:17?target/com.example.demo.demoapplication

參考資料

link: https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-21.0.0.2/graalvm-ce-java11-linux-amd64-21.0.0.2.tar.gz

link: https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-21.0.0.2/graalvm-ce-java11-linux-aarch64-21.0.0.2.tar.gz

link: https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-21.0.0.2/graalvm-ce-java11-darwin-amd64-21.0.0.2.tar.gz

link: https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-21.0.0.2/graalvm-ce-java11-windows-amd64-21.0.0.2.zip

https://start.spring.io: https://start.spring.io