鍒嗗竷寮忓姩鎬侀厤缃悗娴帹鍓嶆氮 -- Nacos

Posted 2021-06-11 鏋舵瀯甯堢ぞ鍖?/a> 鍒嗗

馃尨 鍓嶈█

Nacos 鏄樋閲屽反宸寸殑寮€婧愮殑椤圭洰锛屽叏绉?Naming Configuration Service 锛屼笓娉ㄤ簬鏈嶅姟鍙戠幇鍜岄厤缃鐞嗛鍩熴€?/p>

Nacos 鑷村姏浜庡府鍔╂偍鍙戠幇銆侀厤缃拰绠＄悊寰湇鍔°€侼acos 鎻愪緵浜嗕竴缁勭畝鍗曟槗鐢ㄧ殑鐗规€ч泦锛屽府鍔╂偍蹇€熷疄鐜板姩鎬佹湇鍔″彂鐜般€佹湇鍔￠厤缃€佹湇鍔″厓鏁版嵁鍙婃祦閲忕鐞嗐€?/p>

瀹㈡埛绔瑷€鏂归潰鐩墠鏀寔 Java锛実o 銆乸ython銆?C# 鍜?C++绛変富娴佽瑷€

鐩墠 Github涓婂凡缁忔湁杩?18K 鐨?start锛屽張鏈夐樋閲屽反宸村鏉傜殑涓氬姟鍋氳儗涔︼紝鍦ㄥ紑婧愬競鍦洪潪甯稿彈娆㈣繋銆傛渶杩戜竴娆?commits 鏃堕棿鍦?021骞?鏈?鏃ワ紝绀惧尯缁存姢鎶曞叆鍔涘害寰堝ぇ锛屼竴浜沚ug涔熻兘鍙婃椂淇銆?br>

馃尨 鏍稿績鍔熻兘

1銆佸姩鎬侀厤缃湇鍔?

鍔ㄦ€侀厤缃湇鍔¤鎮ㄨ兘澶熶互涓績鍖栥€佸閮ㄥ寲鍜屽姩鎬佸寲鐨勬柟寮忕鐞嗘墍鏈夌幆澧冪殑閰嶇疆銆傚姩鎬侀厤缃秷闄や簡閰嶇疆鍙樻洿鏃堕噸鏂伴儴缃插簲鐢ㄥ拰鏈嶅姟鐨勯渶瑕併€傞厤缃腑蹇冨寲绠＄悊璁╁疄鐜版棤鐘舵€佹湇鍔℃洿绠€鍗曪紝涔熻鎸夐渶寮规€ф墿灞曟湇鍔℃洿瀹规槗銆?/p>

2銆佹湇鍔″彂鐜板強绠＄悊

鍔ㄦ€佹湇鍔″彂鐜板浠ユ湇鍔′负涓績鐨勶紙渚嬪寰湇鍔″拰浜戝師鐢燂級搴旂敤鏋舵瀯鏂瑰紡闈炲父鍏抽敭銆侼acos鏀寔DNS-Based鍜孯PC-Based锛圖ubbo銆乬RPC锛夋ā寮忕殑鏈嶅姟鍙戠幇銆侼acos涔熸彁渚涘疄鏃跺仴搴锋鏌ワ紝浠ラ槻姝㈠皢璇锋眰鍙戝線涓嶅仴搴风殑涓绘満鎴栨湇鍔″疄渚嬨€傚€熷姪Nacos锛屾偍鍙互鏇村鏄撳湴涓烘偍鐨勬湇鍔″疄鐜版柇璺櫒銆?/p>

3銆佸姩鎬丏NS鏈嶅姟

閫氳繃鏀寔鏉冮噸璺敱锛屽姩鎬丏NS鏈嶅姟鑳借鎮ㄨ交鏉惧疄鐜颁腑闂村眰璐熻浇鍧囪　銆佹洿鐏垫椿鐨勮矾鐢辩瓥鐣ャ€佹祦閲忔帶鍒朵互鍙婄畝鍗曟暟鎹腑蹇冨唴缃戠殑绠€鍗旸NS瑙ｆ瀽鏈嶅姟銆傚姩鎬丏NS鏈嶅姟杩樿兘璁╂偍鏇村鏄撳湴瀹炵幇浠NS鍗忚涓哄熀纭€鐨勬湇鍔″彂鐜帮紝浠ユ秷闄よ€﹀悎鍒板巶鍟嗙鏈夋湇鍔″彂鐜癆PI涓婄殑椋庨櫓銆?/p>

馃尨 Nacos 2.x 浼樼偣

鍦∟acos 1.X 鍩虹涓婏紝瀵归€氳灞傚仛浜嗕紭鍖栵紝鐩墠閲囩敤浜?code class="mq-24">gRPC瀹炵幇浜嗛暱杩炴帴鍜岄厤缃帹鍔紝浣跨敤闀块摼鎺ョ殑濂藉澶у箙搴﹀噺灏戜簡 1.x 杞蹇冭烦棰戠箒瀵艰嚧 JVM Full GC銆?/p>

1銆佸鎴风涓嶅啀闇€瑕佸畾鏃跺彂閫佸疄渚嬪績璺筹紝鍙渶瑕佹湁涓€涓淮鎸佽繛鎺ュ彲鐢?keepalive 娑堟伅鍗冲彲銆傞噸澶?TPS 鍙互澶у箙闄嶄綆銆?/p>

2銆乀CP 杩炴帴鏂紑鍙互琚揩閫熸劅鐭ュ埌锛屾彁鍗囧弽搴旈€熷害銆?/p>

3銆侀暱杩炴帴鐨勬祦寮忔帹閫侊紝姣?UDP 鏇村姞鍙潬锛沶io 鐨勬満鍒跺叿鏈夋洿楂樼殑鍚炲悙閲忥紝鑰屼笖鐢变簬鍙潬鎺ㄩ€侊紝鍙互鍔犻暱瀹㈡埛绔敤浜庡璐︽湇鍔″垪琛ㄧ殑鏃堕棿锛岀敋鑷冲垹闄ょ浉鍏崇殑璇锋眰銆傞噸澶嶇殑鏃犳晥 QPS 鍙互澶у箙闄嶄綆銆?/p>

4銆侀暱杩炴帴閬垮厤棰戠箒杩炴帴寮€閿€锛屽彲浠ュぇ骞呯紦瑙?TIME_WAIT 闂銆?/p>

5銆佺湡瀹炵殑闀胯繛鎺ワ紝瑙ｅ喅閰嶇疆妯″潡 GC 闂銆?/p>

6銆佹洿缁嗙矑搴︾殑鍚屾鍐呭锛屽噺灏戞湇鍔¤妭鐐归棿鐨勯€氫俊鍘嬪姏銆?/p>

馃尨 Show me the code

澶栭儴渚濊禆锛?/strong>

Spring Boot 宸茬粡涓?Nacos 灏佽浜唖tarter缁勪欢锛屽彧闇€鍦?pom.xml 鏂囦欢涓坊鍔爅ar鐗堟湰渚濊禆鍗冲彲锛?/p>

<dependency>
    <groupId>com.alibaba.boot</groupId>
    <artifactId>nacos-config-spring-boot-starter</artifactId>
    <version>0.2.1</version>
</dependency>
<dependency>
    <groupId>com.alibaba.boot</groupId>
    <artifactId>nacos-config-spring-boot-actuator</artifactId>
    <version>0.2.1</version>
</dependency>

閰嶇疆鏂囦欢锛?/strong>

鍦ㄩ厤缃枃浠?application.yaml 涓厤缃?Nacos 鐨勭浉鍏冲弬鏁帮紝鍏蜂綋鍐呭濡備笅锛?/p>

nacos:
  config:
    server-addr: 127.0.0.1:8848

灏卞儚Maven鐢?code class="mq-49">groupId銆?code class="mq-50">artifactId銆?code class="mq-51">version涓夎€呮潵瀹氫綅涓€涓?code class="mq-52">jar鍖呭湪浠撳簱涓殑浣嶇疆涓€鏍枫€侼acos涔熸彁渚涗簡 Namespace (鍛藉悕绌洪棿) 銆丏ata ID (閰嶇疆闆咺D)銆?Group (缁? 鏉ョ‘瀹氫竴涓厤缃枃浠躲€?/p>

StartApplication 鍚姩绫伙紝娣诲姞dataId锛?/strong>

@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class,
        DataSourceTransactionManagerAutoConfiguration.class})
@NacosPropertySource(dataId = "bulking-nacos-example", autoRefreshed = true)
public class StartApplication {

    public static void main(String[] args) {
        SpringApplication.run(StartApplication.class, args);
    }
}

nacos鎻愪緵浜嗘敞瑙ｆ柟寮忥紝瀹炴椂鍔ㄦ€佽幏鍙栭厤缃」鏈€鏂板€?/strong>

@Controller
@RequestMapping("config")
public class ConfigController {

    @NacosValue(value = "${useLocalCache}", autoRefreshed = true)
    private boolean useLocalCache;

    @RequestMapping(value = "/get", method = GET)
    @ResponseBody
    public boolean get() {
        return useLocalCache;
    }
}

馃尨 鎿嶄綔婕旂ず

绠＄悊鍚庡彴锛?/strong>

鏂板鍔ㄦ€侀厤缃?/strong>

褰撳簲鐢ㄥ惎鍔ㄦ椂锛屼細灏嗗綋鍓嶈妭鐐规敞鍐屽埌nacos涓?/p>

棣栨璁块棶锛?/span>http://localhost:9071/config/get

杩斿洖缁撴灉锛?/p>

true

灏唍acos涓?Data Id锛?code class="mq-94">bulking-nacos-example 涓殑 useLocalCache 璁剧疆鎴?code class="mq-96">false

婕旂ず宸ョ▼鍦ㄤ笉閲嶅惎鐨勬儏鍐典笅锛岃兘瀹炴椂鎰熺煡閰嶇疆椤圭殑鍙樺寲銆?/p>

馃尨 宸ョ▼浠ｇ爜

https://github.com/aalansehaiyang/spring-boot-bulking  

妯″潡锛歴pring-boot-bulking-naco

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