import{_ as d,o as c,c as h,b as s,w as n,a as e,d as i,e as a,r}from"./app.977e81c1.js";const l={},p=i(`
arthas\u5982\u4F55\u67E5\u770Bhashmap\u7684\u503C
\u4E3A\u4E86\u67E5\u770BHashMap\u7684\u503C\uFF0C\u4F60\u53EF\u4EE5\u5229\u7528Arthas\u63D0\u4F9B\u7684\u547D\u4EE4\u6765\u52A8\u6001\u5730\u68C0\u67E5\u548C\u64CD\u4F5CJava\u7A0B\u5E8F\u7684\u8FD0\u884C\u65F6\u72B6\u6001\u3002\u57FA\u4E8E\u5DF2\u6709\u7684\u77E5\u8BC6\uFF0C\u8FD9\u91CC\u662F\u4E00\u4E2A\u5206\u6B65\u9AA4\u7684\u6307\u5BFC\u6765\u5E2E\u52A9\u4F60\u5B8C\u6210\u8FD9\u4E00\u4EFB\u52A1\uFF1A
\u9996\u5148\uFF0C\u786E\u4FDD\u4F60\u5DF2\u7ECF\u6309\u7167Arthas\u7684\u5B89\u88C5\u6307\u5357\u6210\u529F\u5B89\u88C5\u4E86Arthas\uFF0C\u5E76\u4E14\u5DF2\u7ECF\u5C06\u5176\u8FDE\u63A5\u5230\u4E86\u4F60\u60F3\u8981\u89C2\u5BDF\u7684Java\u8FDB\u7A0B\u4E2D\u3002\u6839\u636E\u4E4B\u524D\u7684\u77E5\u8BC6\uFF0C\u4F60\u53EF\u4EE5\u91C7\u7528\u4EE5\u4E0B\u51E0\u79CD\u65B9\u5F0F\u4E4B\u4E00\u6765\u5B89\u88C5\u548C\u542F\u52A8Arthas\uFF1A
curl -O https://arthas.aliyun.com/arthas-boot.jar
java -jar arthas-boot.jar
curl -L https://arthas.aliyun.com/install.sh | sh
\u5B8C\u6210\u8FD9\u4E9B\u6B65\u9AA4\u540E\uFF0C\u4F60\u4F1A\u770B\u5230Arthas\u7684\u542F\u52A8\u4FE1\u606F\uFF0C\u8868\u660E\u5B83\u5DF2\u6210\u529F\u9644\u7740\u5230\u6307\u5B9A\u7684Java\u8FDB\u7A0B\u4E0A\u3002
\u4E00\u65E6Arthas\u6210\u529F\u8FDE\u63A5\u5230\u76EE\u6807\u8FDB\u7A0B\uFF0C\u4F60\u53EF\u4EE5\u4F7F\u7528watch
\u6216\u8005dump
\u7B49\u547D\u4EE4\u6765\u67E5\u770BHashMap\u7684\u503C\u3002
\u4F7F\u7528watch
\u547D\u4EE4\u76D1\u89C6HashMap\u7684\u53D8\u5316
\u5982\u679C\u4F60\u60F3\u5728HashMap\u88AB\u8BBF\u95EE\u6216\u4FEE\u6539\u65F6\u67E5\u770B\u5176\u503C\uFF0C\u53EF\u4EE5\u4F7F\u7528watch
\u547D\u4EE4\u3002\u4F60\u9700\u8981\u77E5\u9053HashMap\u5B9E\u4F8B\u7684\u53D8\u91CF\u540D\uFF08\u5047\u8BBE\u4E3AmyHashMap
\uFF09\u4EE5\u53CA\u4F60\u611F\u5174\u8DA3\u7684\u76D1\u542C\u70B9\uFF08\u4F8B\u5982\u65B9\u6CD5\u8C03\u7528\uFF09\u3002
watch myHashMap get 'map => map.entrySet().forEach(e => {print(e.getKey() + ": " + e.getValue());})'
\u8FD9\u6BB5\u547D\u4EE4\u4F1A\u5728\u6BCF\u6B21get
\u65B9\u6CD5\u88AB\u8C03\u7528\u65F6\uFF0C\u6253\u5370\u51FAHashMap\u7684\u6240\u6709\u952E\u503C\u5BF9\u3002
\u4F7F\u7528dump
\u547D\u4EE4\u83B7\u53D6\u9759\u6001\u5FEB\u7167
\u5982\u679C\u4F60\u53EA\u60F3\u83B7\u53D6HashMap\u5F53\u524D\u7684\u72B6\u6001\uFF0C\u800C\u4E0D\u662F\u76D1\u63A7\u5176\u53D8\u5316\uFF0C\u53EF\u4EE5\u4F7F\u7528dump
\u547D\u4EE4\u83B7\u53D6\u7C7B\u7684\u8BE6\u7EC6\u4FE1\u606F\uFF0C\u7136\u540E\u901A\u8FC7\u67E5\u8BE2\u8FD9\u4E2A\u5FEB\u7167\u6765\u67E5\u770BHashMap\u7684\u503C\u3002
dump className myHashMapId
\u8FD9\u91CC\uFF0CclassName
\u662F\u5305\u542BHashMap\u5B9E\u4F8B\u7684\u7C7B\u540D\uFF0C\u800CmyHashMapId
\u662F\u8BE5HashMap\u5BF9\u8C61\u5728\u5806\u4E2D\u7684ID\uFF0C\u8FD9\u4E24\u4E2A\u4FE1\u606F\u53EF\u4EE5\u901A\u8FC7\u5176\u4ED6Arthas\u547D\u4EE4\u5982sm
\uFF08\u641C\u7D22\u65B9\u6CD5\uFF09\u6216trace
\u521D\u6B65\u5B9A\u4F4D\u5F97\u5230\u3002
watch
\u547D\u4EE4 \u5141\u8BB8\u4F60\u5728\u7279\u5B9A\u7684Java\u65B9\u6CD5\u6267\u884C\u524D\u540E\u6267\u884C\u81EA\u5B9A\u4E49\u7684Groovy\u811A\u672C\uFF0C\u8FD9\u5BF9\u4E8E\u89C2\u5BDF\u7279\u5B9A\u6761\u4EF6\u4E0B\u7684HashMap\u72B6\u6001\u975E\u5E38\u6709\u7528\u3002dump
\u547D\u4EE4 \u63D0\u4F9B\u4E86\u4E00\u4E2A\u7C7B\u7684\u5B9E\u4F8B\u7684\u8BE6\u7EC6\u5185\u5B58\u5FEB\u7167\uFF0C\u901A\u8FC7\u8FD9\u4E2A\u5FEB\u7167\uFF0C\u4F60\u53EF\u4EE5\u6DF1\u5165\u5206\u6790\u5BF9\u8C61\u7684\u5185\u90E8\u7ED3\u6784\uFF0C\u5305\u62ECHashMap\u7684\u6240\u6709\u6761\u76EE\u3002\u8BF7\u6839\u636E\u5B9E\u9645\u60C5\u51B5\u9009\u62E9\u5408\u9002\u7684\u547D\u4EE4\uFF0C\u5E76\u66FF\u6362\u793A\u4F8B\u4E2D\u7684\u5360\u4F4D\u7B26\uFF08\u5982myHashMap
\u3001className
\u3001myHashMapId
\uFF09\u4EE5\u5339\u914D\u4F60\u7684\u5B9E\u9645\u5E94\u7528\u573A\u666F\u3002