{"id":117063,"date":"2026-10-22T13:24:41","date_gmt":"2026-10-22T05:24:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/117063.html"},"modified":"2026-10-22T13:24:41","modified_gmt":"2026-10-22T05:24:41","slug":"07-%c2%b7-linux-%e8%bf%9b%e7%a8%8b%e4%b8%8e%e7%ab%af%e5%8f%a3%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/117063.html","title":{"rendered":"07 \u00b7 Linux \u8fdb\u7a0b\u4e0e\u7aef\u53e3\u7ba1\u7406"},"content":{"rendered":"

07 \u00b7 \u8fdb\u7a0b\u4e0e\u7aef\u53e3\u7ba1\u7406<\/h2>\n

\u4e00\u53e5\u8bdd\u5b9a\u4f4d：\u5224\u65ad\u201c\u6211\u7684\u670d\u52a1\u8fd8\u6d3b\u7740\u5417\u201d\u201c\u7aef\u53e3\u88ab\u8c01\u5360\u4e86\u201d\u201c\u600e\u4e48\u6740\u6389\u5361\u6b7b\u7684\u8fdb\u7a0b\u201d\u3002<\/p>\n

\n

1. \u67e5\u8fdb\u7a0b：ps<\/h3>\n

# \u6700\u5e38\u7528\u7ec4\u5408：\u67e5\u6240\u6709\u8fdb\u7a0b<\/span>
\nps<\/span> -ef<\/span> # \u5168\u683c\u5f0f\u5217\u51fa\u6240\u6709\u8fdb\u7a0b<\/span>
\nps<\/span> aux # \u53e6\u4e00\u79cd\u98ce\u683c（\u5e26CPU\/\u5185\u5b58\u5360\u7528）<\/span><\/p>\n

# \u2605\u5b9e\u6218：\u67e5\u81ea\u5df1\u7684 Java \u8fdb\u7a0b<\/span>
\nps<\/span> -ef<\/span> |<\/span> grep<\/span> java<\/span>
\nps<\/span> -ef<\/span> |<\/span> grep<\/span> app.jar<\/p>\n

# \u8f93\u51fa\u89e3\u8bfb（ps -ef）<\/span>
\n# UID PID PPID C STIME TTY TIME CMD<\/span>
\n# root 12345 1 0 10:30 ? 00:01:23 java -jar app.jar<\/span>
\n# \u2514\u2500\u8fdb\u7a0bID（kill \u8981\u7528\u5b83） \u2514\u2500\u542f\u52a8\u547d\u4ee4<\/span><\/p>\n

\n

2. Java \u4e13\u5c5e：jps \/ jstack \/ jmap<\/h3>\n

JDK \u81ea\u5e26\u7684\u795e\u5668（\u6bd4 ps \u66f4\u61c2 Java）：<\/p>\n

jps # \u5217\u51fa\u6240\u6709 Java \u8fdb\u7a0b（\u53ea\u663e\u793a PID + \u4e3b\u7c7b）<\/span>
\njps -l<\/span> # \u663e\u793a\u5b8c\u6574\u5305\u540d\/jar\u8def\u5f84<\/span>
\njps -v<\/span> # \u663e\u793a JVM \u542f\u52a8\u53c2\u6570<\/span><\/p>\n

# \u6392\u67e5 CPU \u9ad8 \/ \u5361\u6b7b：\u6253\u5370\u7ebf\u7a0b\u6808<\/span>
\njstack <<\/span>PID><\/span> ><\/span> thread.txt # \u5bfc\u51fa\u6240\u6709\u7ebf\u7a0b\u5806\u6808<\/span>
\njstack <<\/span>PID><\/span> |<\/span> grep<\/span> -A<\/span> 20<\/span> "BLOCKED"<\/span> # \u770b\u963b\u585e\u7684\u7ebf\u7a0b<\/span><\/p>\n

# \u6392\u67e5\u5185\u5b58：\u770b\u5806\u5185\u5b58<\/span>
\njmap -heap<\/span> <<\/span>PID><\/span> # \u5806\u5185\u5b58\u6982\u51b5<\/span>
\njmap -histo<\/span> <<\/span>PID><\/span> |<\/span> head<\/span> -20<\/span> # \u5bf9\u8c61\u6570\u91cf Top20（\u67e5\u5185\u5b58\u6cc4\u6f0f）<\/span>
\njmap -dump:format<\/span>=<\/span>b,file=<\/span>heap.hprof <<\/span>PID><\/span> # \u5bfc\u51fa\u5806\u5feb\u7167（\u7528 MAT \u5206\u6790）<\/span><\/p>\n

\u8fd9\u4e9b\u662f Java \u7a0b\u5e8f\u5458\u6392\u67e5\u7ebf\u4e0a\u95ee\u9898\u7684\u770b\u5bb6\u672c\u9886，\u8be6\u7ec6\u7528\u6cd5\u89c1 15 \u7bc7\u6545\u969c\u6392\u67e5\u3002<\/p>\n

\n

3. \u5b9e\u65f6\u76d1\u63a7\u8fdb\u7a0b：top<\/h3>\n

top<\/span> # \u5b9e\u65f6\u8fdb\u7a0b\u5217\u8868（\u7c7b\u4f3c\u4efb\u52a1\u7ba1\u7406\u5668）<\/span><\/p>\n

top \u754c\u9762\u64cd\u4f5c：<\/p>\n\n\u6309\u952e\u4f5c\u7528<\/tr>\n\n\n\n\n\n\n
P<\/td>\n\u6309 CPU \u4f7f\u7528\u7387\u6392\u5e8f（\u9ed8\u8ba4）<\/td>\n<\/tr>\n
M<\/td>\n\u6309\u5185\u5b58\u4f7f\u7528\u7387\u6392\u5e8f<\/td>\n<\/tr>\n
1<\/td>\n\u5c55\u5f00\u663e\u793a\u6bcf\u4e2a CPU \u6838\u5fc3<\/td>\n<\/tr>\n
k<\/td>\n\u8f93\u5165 PID \u6740\u8fdb\u7a0b<\/td>\n<\/tr>\n
q<\/td>\n\u9000\u51fa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

# \u53ea\u770b\u67d0\u4e2a\u8fdb\u7a0b<\/span>
\ntop<\/span> -p<\/span> 12345<\/span><\/p>\n

# \u66f4\u597d\u7528\u7684\u66ff\u4ee3\u54c1（\u9700\u5b89\u88c5）：htop，\u5f69\u8272\u3001\u53ef\u9f20\u6807\u64cd\u4f5c<\/span>
\nhtop<\/span><\/p>\n

\n

4. \u6740\u8fdb\u7a0b：kill<\/h3>\n

kill<\/span> 12345<\/span> # \u6e29\u67d4\u5730\u8bf7\u6c42\u7ed3\u675f（\u53d1 SIGTERM，\u5e94\u7528\u80fd\u4f18\u96c5\u505c\u673a）<\/span>
\nkill<\/span> -9<\/span> 12345<\/span> # \u5f3a\u5236\u6740\u6b7b（SIGKILL，\u6700\u540e\u624b\u6bb5，\u4e0d\u7ed9\u6e05\u7406\u673a\u4f1a）<\/span>
\nkill<\/span> -15<\/span> 12345<\/span> # = kill 12345，\u63a8\u8350\u4f18\u5148\u7528<\/span><\/p>\n

# \u2605\u4e00\u952e\u6740\u6389\u67d0\u4e2a Java \u5e94\u7528<\/span>
\nps<\/span> -ef<\/span> |<\/span> grep<\/span> app.jar |<\/span> grep<\/span> -v<\/span> grep<\/span> |<\/span> awk<\/span> '{print $2}'<\/span> |<\/span> xargs<\/span> kill<\/span> -9<\/span><\/p>\n

# \u6309\u540d\u5b57\u6740（\u8c28\u614e，\u4f1a\u6740\u6389\u6240\u6709\u5339\u914d\u7684）<\/span>
\npkill<\/span> -f<\/span> app.jar
\nkillall<\/span> java<\/span> # \u6740\u6240\u6709 java \u8fdb\u7a0b（\u26a0\ufe0f\u614e\u7528）<\/span><\/p>\n

\u4f18\u5148 kill（15） \u8ba9 Spring Boot \u6267\u884c @PreDestroy\/\u4f18\u96c5\u505c\u673a；\u5b9e\u5728\u6740\u4e0d\u6389\u518d kill -9\u3002<\/p>\n

\n

5. \u67e5\u7aef\u53e3\u5360\u7528（\u90e8\u7f72\u5fc5\u5907）<\/h3>\n

\u201c\u7aef\u53e3 8080 \u88ab\u5360\u7528，\u542f\u52a8\u5931\u8d25\u201d：<\/p>\n

# ss（\u65b0，\u63a8\u8350，\u5feb）<\/span>
\nss -tlnp<\/span> # \u5217\u51fa\u6240\u6709\u76d1\u542c\u7684 TCP \u7aef\u53e3<\/span>
\nss -tlnp<\/span> |<\/span> grep<\/span> 8080<\/span> # \u770b 8080 \u88ab\u8c01\u5360\u4e86<\/span><\/p>\n

# netstat（\u8001，\u90e8\u5206\u7cfb\u7edf\u8981\u88c5 net-tools）<\/span>
\nnetstat<\/span> -tlnp<\/span> |<\/span> grep<\/span> 8080<\/span><\/p>\n

# \u53c2\u6570\u542b\u4e49：-t TCP -l \u76d1\u542c -n \u663e\u793a\u6570\u5b57(\u4e0d\u89e3\u6790\u57df\u540d) -p \u663e\u793a\u8fdb\u7a0b<\/span><\/p>\n

# lsof：\u67e5\u67d0\u7aef\u53e3\u5bf9\u5e94\u7684\u8fdb\u7a0b<\/span>
\nlsof<\/span> -i:8080<\/span> # \u8c01\u5728\u7528 8080<\/span>
\nlsof<\/span> -i:8080<\/span> -t<\/span> # \u53ea\u8f93\u51fa PID（\u65b9\u4fbf kill）<\/span><\/p>\n

# \u2605\u4e00\u952e\u627e\u5230\u5e76\u6740\u6389\u5360\u7528\u7aef\u53e3\u7684\u8fdb\u7a0b<\/span>
\nlsof<\/span> -i:8080<\/span> -t<\/span> |<\/span> xargs<\/span> kill<\/span> -9<\/span><\/p>\n

\u8f93\u51fa\u89e3\u8bfb：<\/p>\n

LISTEN 0 100 *:8080 *:* users:(("java",pid=12345,fd=28))
\n \u2514\u2500\u5360\u7528\u7aef\u53e3\u7684 PID<\/p>\n

\n

6. \u540e\u53f0\u4efb\u52a1\u7ba1\u7406<\/h3>\n

jobs<\/span> # \u67e5\u770b\u5f53\u524d shell \u7684\u540e\u53f0\u4efb\u52a1<\/span>
\n\u547d\u4ee4 &<\/span> # \u547d\u4ee4\u540e\u53f0\u8fd0\u884c<\/span>
\nCtrl+Z # \u628a\u524d\u53f0\u4efb\u52a1\u6682\u505c\u5e76\u8f6c\u540e\u53f0<\/span>
\nbg<\/span> # \u8ba9\u6682\u505c\u7684\u4efb\u52a1\u540e\u53f0\u7ee7\u7eed\u8dd1<\/span>
\nfg<\/span> # \u628a\u540e\u53f0\u4efb\u52a1\u8c03\u56de\u524d\u53f0<\/span>
\nnohup<\/span> \u547d\u4ee4 &<\/span> # \u540e\u53f0\u8fd0\u884c\u4e14\u5173\u6389\u7ec8\u7aef\u4e5f\u4e0d\u505c（\u90e8\u7f72\u5e38\u7528，\u89c110\u7bc7）<\/span><\/p>\n

\n

7. \u5b9e\u6218\u573a\u666f<\/h3>\n

# \u573a\u666f1：\u670d\u52a1\u542f\u52a8\u62a5\u201c\u7aef\u53e3\u88ab\u5360\u7528\u201d<\/span>
\nss -tlnp<\/span> |<\/span> grep<\/span> 8080<\/span> # \u627e\u5230\u5360\u7528\u7684 PID<\/span>
\nkill<\/span> -9<\/span> <<\/span>PID><\/span> # \u6740\u6389<\/span>
\n# \u6216\u4e00\u6761\u547d\u4ee4：<\/span>
\nlsof<\/span> -i:8080<\/span> -t<\/span> |<\/span> xargs<\/span> kill<\/span> -9<\/span><\/p>\n

# \u573a\u666f2：\u786e\u8ba4\u6211\u7684\u670d\u52a1\u5728\u4e0d\u5728\u8dd1<\/span>
\njps -l<\/span> |<\/span> grep<\/span> app
\nps<\/span> -ef<\/span> |<\/span> grep<\/span> app.jar |<\/span> grep<\/span> -v<\/span> grep<\/span><\/p>\n

# \u573a\u666f3：\u670d\u52a1\u5361\u6b7b\u6ca1\u54cd\u5e94<\/span>
\njps # \u62ff\u5230 PID<\/span>
\njstack <<\/span>PID><\/span> ><\/span> \/tmp\/stack.txt # \u5bfc\u51fa\u7ebf\u7a0b\u6808\u5206\u6790<\/span>
\ntop<\/span> -p<\/span> <<\/span>PID><\/span> # \u770b\u662f\u4e0d\u662f CPU \u6253\u6ee1<\/span><\/p>\n

# \u573a\u666f4：\u4f18\u96c5\u91cd\u542f<\/span>
\nps<\/span> -ef<\/span> |<\/span> grep<\/span> app.jar |<\/span> grep<\/span> -v<\/span> grep<\/span> |<\/span> awk<\/span> '{print $2}'<\/span> |<\/span> xargs<\/span> kill<\/span>
\n# \u7b49\u51e0\u79d2\u786e\u8ba4\u9000\u51fa\u540e\u518d\u542f\u52a8<\/span><\/p>\n

\n

8. \u5751\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n
    \n
  • \u26a0\ufe0f grep java \u4f1a\u628a grep \u81ea\u5df1\u4e5f\u5339\u914d\u8fdb\u53bb，\u8bb0\u5f97 | grep -v grep \u6392\u9664\u3002<\/li>\n
  • \u2705 \u6740 Java \u8fdb\u7a0b\u4f18\u5148 kill（15），\u7ed9\u4f18\u96c5\u505c\u673a\u673a\u4f1a；\u5361\u6b7b\u624d kill -9\u3002<\/li>\n
  • \u2705 \u67e5\u7aef\u53e3 ss -tlnp \u6bd4 netstat \u5feb\u4e14\u65b0\u7cfb\u7edf\u9ed8\u8ba4\u6709\u3002<\/li>\n
  • \u26a0\ufe0f killall \/ pkill \u8303\u56f4\u5927，\u751f\u4ea7\u73af\u5883\u5c0f\u5fc3\u8bef\u6740\u3002<\/li>\n
  • 💡 \u8bb0\u4f4f lsof -i:\u7aef\u53e3 -t | xargs kill -9 \u8fd9\u4e2a\u4e00\u952e\u6e05\u7aef\u53e3\u795e\u5668\u3002<\/li>\n<\/ul>\n
    \n

    9. \u672c\u7bc7\u901f\u8bb0<\/h3>\n

    ps<\/span> -ef<\/span> |<\/span> grep<\/span> java<\/span> # \u67e5\u8fdb\u7a0b<\/span>
    \njps -l<\/span> # \u67e5 Java \u8fdb\u7a0b<\/span>
    \ntop<\/span> \/ htop<\/span> # \u5b9e\u65f6\u76d1\u63a7<\/span>
    \nkill<\/span> <<\/span>PID><\/span> \/ kill<\/span> -9<\/span> <<\/span>PID><\/span> # \u7ed3\u675f\u8fdb\u7a0b<\/span>
    \nss -tlnp<\/span> |<\/span> grep<\/span> \u7aef\u53e3 # \u67e5\u7aef\u53e3\u5360\u7528<\/span>
    \nlsof<\/span> -i:\u7aef\u53e3 -t<\/span> |<\/span> xargs<\/span> kill<\/span> -9<\/span> # \u4e00\u952e\u6e05\u7aef\u53e3 \u2605<\/span>
    \njstack <<\/span>PID><\/span> # \u770b\u7ebf\u7a0b\u6808（\u5361\u6b7b\u6392\u67e5）<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

    07 \u00b7 \u8fdb\u7a0b\u4e0e\u7aef\u53e3\u7ba1\u7406\u4e00\u53e5\u8bdd\u5b9a\u4f4d：\u5224\u65ad\u201c\u6211\u7684\u670d\u52a1\u8fd8\u6d3b\u7740\u5417\u201d\u201c\u7aef\u53e3\u88ab\u8c01\u5360\u4e86\u201d\u201c\u600e\u4e48\u6740\u6389\u5361\u6b7b\u7684\u8fdb\u7a0b\u201d\u30021. \u67e5\u8fdb\u7a0b：ps
    \n# \u6700\u5e38\u7528\u7ec4\u5408：\u67e5\u6240\u6709\u8fdb\u7a0b
    \nps -ef # \u5168\u683c\u5f0f\u5217\u51fa\u6240\u6709\u8fdb\u7a0b
    \nps aux # \u53e6\u4e00\u79cd\u98ce\u683c（\u5e26CPU\/\u5185\u5b58\u5360\u7528）# \u2605\u5b9e\u6218：\u67e5\u81ea\u5df1\u7684 Java \u8fdb\u7a0b
    \nps -ef | grep java
    \nps -ef | grep ap<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,81,44],"topic":[],"class_list":["post-117063","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-python","tag-44"],"yoast_head":"\n07 \u00b7 Linux \u8fdb\u7a0b\u4e0e\u7aef\u53e3\u7ba1\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/117063.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"07 \u00b7 Linux \u8fdb\u7a0b\u4e0e\u7aef\u53e3\u7ba1\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"07 \u00b7 \u8fdb\u7a0b\u4e0e\u7aef\u53e3\u7ba1\u7406\u4e00\u53e5\u8bdd\u5b9a\u4f4d：\u5224\u65ad\u201c\u6211\u7684\u670d\u52a1\u8fd8\u6d3b\u7740\u5417\u201d\u201c\u7aef\u53e3\u88ab\u8c01\u5360\u4e86\u201d\u201c\u600e\u4e48\u6740\u6389\u5361\u6b7b\u7684\u8fdb\u7a0b\u201d\u30021. \u67e5\u8fdb\u7a0b：ps # \u6700\u5e38\u7528\u7ec4\u5408：\u67e5\u6240\u6709\u8fdb\u7a0b ps -ef # \u5168\u683c\u5f0f\u5217\u51fa\u6240\u6709\u8fdb\u7a0b ps aux # \u53e6\u4e00\u79cd\u98ce\u683c（\u5e26CPU\/\u5185\u5b58\u5360\u7528）# \u2605\u5b9e\u6218：\u67e5\u81ea\u5df1\u7684 Java \u8fdb\u7a0b ps -ef | grep java ps -ef | grep ap\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/117063.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-22T05:24:41+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/117063.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/117063.html\",\"name\":\"07 \u00b7 Linux \u8fdb\u7a0b\u4e0e\u7aef\u53e3\u7ba1\u7406 - 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