{"id":943,"date":"2020-11-11T12:15:50","date_gmt":"2020-11-11T04:15:50","guid":{"rendered":"http:\/\/www.wangkaixuan.tech\/?p=943"},"modified":"2020-11-11T13:54:56","modified_gmt":"2020-11-11T05:54:56","slug":"linux%e6%80%a7%e8%83%bd%e7%9b%91%e6%b5%8b%e5%b7%a5%e5%85%b7-%e7%b3%bb%e7%bb%9f%e7%ba%a7","status":"publish","type":"post","link":"http:\/\/www.wangkaixuan.tech\/?p=943","title":{"rendered":"Linux\u6027\u80fd\u76d1\u6d4b\u5de5\u5177-01-\u7cfb\u7edf\u7ea7"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1.top<\/h2>\n\n\n\n<p>top\u662f\u4f17\u591alinux\/unix\u7cfb\u7edf\u81ea\u5e26\u7684\u76d1\u6d4b\u5de5\u5177\u3002<\/p>\n\n\n\n<p>top\u80fd\u63d0\u4f9b\u7cfb\u7edf\u603b\u4f53\uff0c\u4ee5\u53ca\u5206<strong>\u8fdb\u7a0b<\/strong>\u7684CPU\u3001\u5185\u5b58\u4f7f\u7528\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u5e38\u7528\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">a)  1 &#8211; \u5206\u6838\u5fc3\u67e5\u770bCPU\u5229\u7528\u7387<\/h3>\n\n\n\n<p>top\u547d\u4ee4\u9ed8\u8ba4\u5c55\u793a\u7684\u662f\u5404CPU\u5185\u6838\u4f7f\u7528\u7387\u7684\u5e73\u5747\u503c\uff08\u6211\u4eec\u5176\u5b9e\u542f\u52a8\u4e86\u4e00\u4e2a\u80fd\u5360\u6ee1\u4e00\u4e2a\u6838\u5fc3\u7684\u7a0b\u5e8f\uff0c\u4ece\u5e73\u5747\u503c\u6765\u770b\u5360\u7528\u7387\u53ea\u670925%\u5de6\u53f3\uff09:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-44.png\" alt=\"\" class=\"wp-image-946\" width=\"580\" height=\"251\"\/><\/figure>\n\n\n\n<p>\u5728\u754c\u9762\u952e\u51651\u53ef\u5c55\u793a\u5206\u6838\u5fc3\u7684\u4f7f\u7528\u7387\u4fe1\u606f\uff08\u8fd9\u65f6\u5c31\u80fd\u770b\u5230\u90a3\u4e2a\u5360\u6ee1\u4e00\u4e2a\u6838\u5fc3\u7684\u7a0b\u5e8f\u4e86\uff09\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"727\" height=\"348\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-45.png\" alt=\"\" class=\"wp-image-947\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">b) 2 &#8211; \u5206NUMA\u8282\u70b9\u67e5\u770bCPU\u5229\u7528\u7387<\/h3>\n\n\n\n<p>\u8fd9\u662f\u6211\u7684\u684c\u9762\u7535\u8111\uff0c\u53ea\u6709\u4e00\u4e2aNUMA\u8282\u70b9\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"119\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-47.png\" alt=\"\" class=\"wp-image-950\"\/><\/figure>\n\n\n\n<p>\u8fd9\u662f\u6211\u4eec\u7684\u670d\u52a1\u5668\uff0c\u6709\u4e24\u4e2aNUMA\u8282\u70b9\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1855\" height=\"339\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-46.png\" alt=\"\" class=\"wp-image-949\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">c) M &#8211; \u5c06\u8fdb\u7a0b\u6309\u7167\u5185\u5b58\u5360\u7528\u7387\u4ece\u5927\u5230\u5c0f\u6392\u5217<\/h2>\n\n\n\n<p>\u8fd9\u662f\u6211\u7684\u535a\u5ba2\u7f51\u7ad9\u7684\u4e3b\u673a\uff0c\u53ef\u4ee5\u770b\u5230\u5185\u5b58\u4f7f\u7528\u6700\u5927\u7684\u662fmysql\u7684\u8fdb\u7a0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"815\" height=\"350\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-48.png\" alt=\"\" class=\"wp-image-951\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">d) P &#8211; \u5c06\u8fdb\u7a0b\u6309\u7167CPU\u5229\u7528\u7387\u4ece\u5927\u5230\u5c0f\u6392\u5217<\/h3>\n\n\n\n<p>\u8fd9\u662f\u6211\u7684\u684c\u9762\u7535\u8111\uff0c\u6211\u542f\u52a8\u4e86\u4e00\u4e2a\u6d4b\u8bd5\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5360\u6ee1CPU\uff0c\u8fd9\u91cc\u53ef\u4ee5\u8f7b\u6613\u627e\u5230\u5b83\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"726\" height=\"275\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-50.png\" alt=\"\" class=\"wp-image-953\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2.htop<\/h2>\n\n\n\n<p>htop\u975elinux\u7cfb\u7edf\u7684\u81ea\u5e26\u5de5\u5177\uff0c\u9700\u8981\u7528\u6237\u81ea\u884c\u5b89\u88c5\u3002<\/p>\n\n\n\n<p>ubuntu\u4f7f\u7528<strong>sudo apt install htop<\/strong>\u547d\u4ee4\u5b89\u88c5\u5373\u53ef\uff0credhat\u7528\u6237\u9700\u8981\u4e0b\u8f7d\u6e90\u7801\uff08<a href=\"https:\/\/htop.dev\/\" data-type=\"URL\" data-id=\"https:\/\/htop.dev\/\">\u94fe\u63a5\u5728\u6b64<\/a>\uff09\u624b\u52a8\u5b89\u88c5\u3002<\/p>\n\n\n\n<p>htop\u7684\u754c\u9762\u4e0etop\u5f88\u7c7b\u4f3c\uff0c\u4f46\u529f\u80fd\u66f4\u5f3a\uff0c\u4e00\u5927\u7279\u8272\u662f<strong>\u652f\u6301\u9f20\u6807\u548c\u6eda\u8f6e\u64cd<\/strong>\u4f5c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"726\" height=\"439\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-51.png\" alt=\"\" class=\"wp-image-954\"\/><\/figure>\n\n\n\n<p>\u6bd4\u5982\u5728top\u754c\u9762\u4e2d\u6211\u4eec\u9700\u8981\u8f93\u5165P\u6765\u4f7f\u5f97\u8fdb\u7a0b\u5217\u8868\u6309\u7167CPU\u5229\u7528\u7387\u6392\u5217\uff0c\u8fd9\u91cc\u6211\u4eec\u6211\u4eec\u76f4\u63a5\u7528\u9f20\u6807\u70b9\u51fb\u5217\u5934\u5373\u53ef\uff08\u5f53\u7136\u8f93\u5165P\u7684\u65b9\u5f0f\u4e5f\u662f\u53ef\u4ee5\u4f7f\u7528\u7684\uff09\u3002<\/p>\n\n\n\n<p>\u5e38\u7528\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">a) F- \u8ffd\u8e2a\u663e\u793a<\/h3>\n\n\n\n<p>\uff08\u9f20\u6807\u6216\u952e\u76d8\uff09\u9009\u4e2d\u67d0\u8fdb\u7a0b\u540e\uff0c\u6309F\u53ef\u4f7f\u5f97\u8be5\u8fdb\u7a0b\u5728\u754c\u9762\u4e2d\u9ad8\u4eae\u663e\u793a\u3002\u8fd9\u6837\u7684\u8bdd\uff0c\u8fdb\u7a0b\u5373\u4f7f\u5728\u5217\u8868\u4e2d\u8df3\u6765\u8df3\u53bb\uff0c\u6211\u4eec\u4e5f\u80fd\u5feb\u901f\u5b9a\u4f4d\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"739\" height=\"439\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-52.png\" alt=\"\" class=\"wp-image-955\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">b) s -\u7528strace\u547d\u4ee4\u8ffd\u8e2a\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528\u60c5\u51b5<\/h3>\n\n\n\n<p>\u8981\u4f7f\u7528\u8be5\u529f\u80fd\uff0chtop\u9700\u8981sudo\u8fd0\u884c\uff0c\u6bd4\u5982\u6211\u4eec\u8ffd\u8e2a\u4e0bhtop\u672c\u8eab\u7684\u7cfb\u7edf\u8c03\u60c5\u51b5\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"744\" height=\"570\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-53.png\" alt=\"\" class=\"wp-image-956\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">c) \u5176\u4ed6\u5e38\u7528\u547d\u4ee4<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>\/ \u6216 F3 \uff1a \u641c\u7d22\u4e00\u4e2a\u8fdb\u7a0b<\/li><li>\\ \u6216 F4 \uff1a \u6a21\u7cca\u641c\u7d22\uff0c\u8fc7\u6ee4\u5668<\/li><li>F5 \uff1a\u6811\u72b6\u663e\u793a<\/li><li>F7 \uff1a\u51cf\u5c0fnice\uff0c\u589e\u52a0\u4f18\u5148\u7ea7<\/li><li>F8 \uff1a\u589e\u5927nice\uff0c\u51cf\u5c11\u4f18\u5148\u7ea7<\/li><li>F9 \uff1a\u6740\u6b7b\u8fdb\u7a0b<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3.pstack<\/h2>\n\n\n\n<p>pstack\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u811a\u672c\uff0c\u5b83\u8c03\u7528gdb\uff0cattach\u5230\u8fdb\u7a0b\u4e0a\uff0c\u4f7f\u7528bt\u8f93\u51fa\u5806\u6808\u4fe1\u606f\uff0c\u7136\u540e\u683c\u5f0f\u5316\u8f93\u51fa\u3002<\/p>\n\n\n\n<p>\u5728redhat\u4e0b\uff0c\u53ea\u9700yum\u5b89\u88c5gdb\u5373\u53ef\u9644\u5e26\u5b89\u88c5pstack\u547d\u4ee4\u3002<\/p>\n\n\n\n<p>\u5728ubuntu\u4e0b\u4f7f\u7528apt\u5b89\u88c5\u65f6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u65e0\u6cd5\u4f7f\u7528\u7684\u95ee\u9898\uff0c\u89e3\u51b3\u65b9\u6cd5\u662f\uff1a\u76f4\u63a5\u5728\/usr\/bin\u4e0b\u65b0\u5efa\u4e00\u4e2a\u540d\u4e3apstack\u7684\u811a\u672c\u6587\u4ef6\uff0c\u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\u5373\u53ef\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/sh\n\nif test $# -ne 1; then\n    echo \"Usage: `basename $0 .sh` &lt;process-id>\" 1>&amp;2\n    exit 1\nfi\n\nif test ! -r \/proc\/$1; then\n    echo \"Process $1 not found.\" 1>&amp;2\n    exit 1\nfi\n\n# GDB doesn't allow \"thread apply all bt\" when the process isn't\n# threaded; need to peek at the process to determine if that or the\n# simpler \"bt\" should be used.\n\nbacktrace=\"bt\"\nif test -d \/proc\/$1\/task ; then\n    # Newer kernel; has a task\/ directory.\n    if test `\/bin\/ls \/proc\/$1\/task | \/usr\/bin\/wc -l` -gt 1 2>\/dev\/null ; then\n\tbacktrace=\"thread apply all bt\"\n    fi\nelif test -f \/proc\/$1\/maps ; then\n    # Older kernel; go by it loading libpthread.\n    if \/bin\/grep -e libpthread \/proc\/$1\/maps > \/dev\/null 2>&amp;1 ; then\n\tbacktrace=\"thread apply all bt\"\n    fi\nfi\n\nGDB=${GDB:-\/usr\/bin\/gdb}\n\n# Run GDB, strip out unwanted noise.\n# --readnever is no longer used since .gdb_index is now in use.\n$GDB --quiet -nx $GDBARGS \/proc\/$1\/exe $1 &lt;&lt;EOF 2>&amp;1 | \nset width 0\nset height 0\nset pagination no\n$backtrace\nEOF\n\/bin\/sed -n \\\n    -e 's\/^\\((gdb) \\)*\/\/' \\\n    -e '\/^#\/p' \\\n    -e '\/^Thread\/p'<\/code><\/pre>\n\n\n\n<p>\u5b83\u663e\u793a\u7684\u5176\u5b9e\u662f\u8fdb\u7a0b\u5728\u67d0\u4e00\u523b\u7684\u8c03\u7528\u6808\u3002<\/p>\n\n\n\n<p>\u4ee5htop\u4e3a\u4f8b\uff0c\u8fd9\u662f\u6211\u4eec\u7528pstack\u8c03\u7528\u7684\u7ed3\u679c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"995\" height=\"151\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-54.png\" alt=\"\" class=\"wp-image-959\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u662f\u7528gdb\u8c03\u7528\u7684\u7ed3\u679c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"788\" height=\"147\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-55.png\" alt=\"\" class=\"wp-image-960\"\/><\/figure>\n\n\n\n<p>\u662f\u4e0d\u662f\u5f88\u50cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4.strace<\/h2>\n\n\n\n<p>strace\u662f\u4e00\u4e2a\u7528\u6765<strong>\u52a8\u6001\u8ffd\u8e2a<\/strong>\u8fdb\u7a0b\u5904\u7406\u7684\u7684\u7cfb\u7edf\u8c03\u7528\u548c\u4fe1\u53f7\u7684\u547d\u4ee4\u3002Redhat\u548cUbuntu\u76f4\u63a5\u4f7f\u7528yum\u6216apt\u547d\u4ee4\u5b89\u88c5\u5373\u53ef\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"801\" height=\"315\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-56.png\" alt=\"\" class=\"wp-image-961\"\/><\/figure>\n\n\n\n<p>wake_test\u8fdb\u7a0b\u4f1a\u5468\u671f\u6027\u5730sleep\u4e00\u4e0b\uff0c\u6bcf\u5f53\u5b83sleep\uff0cstrace\u8fd9\u91cc\u5c31\u8f93\u51fa\u4e00\u6761\u76f8\u5173\u8bb0\u5f55\uff0c\u8868\u793awake_test\u8fdb\u7a0b\u8c03\u7528\u4e86\u5e95\u5c42\u7684clock_nanosleep\u7cfb\u7edf\u8c03\u7528\u3002<\/p>\n\n\n\n<p>\u518d\u5982\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1120\" height=\"239\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-57.png\" alt=\"\" class=\"wp-image-962\"\/><\/figure>\n\n\n\n<p>\u6211\u4f7f\u7528\u4e0a\u9762\u7684\u547d\u4ee4\u76d1\u63a7\u535a\u5ba2\u7cfb\u7edf\u4e0a\u7684mysql\u8fdb\u7a0b\uff0c\u6211\u53ea\u8981\u4e00\u70b9\u51fb\u9875\u9762\uff08\u9020\u6210\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u573a\u666f\uff09\uff0cstrace\u8fd9\u91cc\u5c31\u4f1a\u8f93\u51fa\u76f8\u5173\u7684\u8bb0\u5f55\uff0c\u5982\u4e0a\u56fe\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5.perf<\/h2>\n\n\n\n<p>perf\u662f\u4e00\u4e2a\u6bd4\u8f83\u9ad8\u7ea7\u7684\u7cfb\u7edf\u7ea7\u76d1\u63a7\u547d\u4ee4\uff0c\u76f8\u5f53\u4e8epstack\u548cstrace\u7684\u7ed3\u5408\u540e\u7684\u5347\u7ea7\u7248\u3002<\/p>\n\n\n\n<p>\u5728redhat\u7cfb\u7edf\u4e0b\u4f7f\u7528yum\u5b89\u88c5\uff0c\u5728ubuntu\u4e0b\u4f7f\u7528apt\u5b89\u88c5\uff08\u5305\u540d\u79f0\u4e3alinux-tools-common\uff09\u3002<\/p>\n\n\n\n<p>perf\u529f\u80fd\u5f3a\u5927\uff0c\u6211\u5e38\u7528\u7684\u547d\u4ee4\u662f<strong>perf top -K -p xxx<\/strong>\uff0c\u5373\u5c06\u8fdb\u7a0b\u5728\u7528\u6237\u7a7a\u95f4\u7684\u8c03\u7528\u8017\u65f6\u6392\u5e8f\uff0c\u56e0\u6b64\u53ef\u4ee5\u7528\u6765\u5feb\u901f\u5b9a\u4f4d\u7cfb\u7edf\u8fd0\u884c\u74f6\u9888\u3002<\/p>\n\n\n\n<p>\u6211\u5728\u535a\u5ba2\u4e3b\u673a\u4e0a\u4f7f\u7528perf\u547d\u4ee4\u76d1\u63a7\u4e86\u4e00\u4e0bmysql\u7684\u884c\u4e3a\uff0c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"480\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2020\/11\/image-58.png\" alt=\"\" class=\"wp-image-964\"\/><\/figure>\n\n\n\n<p>\u5373mysql\u5728\u8fd0\u884c\u671f\u95f4\uff0c\u6700\u8017\u65f6\u7684\u64cd\u4f5c\u662f\u89e3\u6790sql\u8bed\u53e5\uff08MYSQLparse\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6.\u603b\u7ed3<\/h2>\n\n\n\n<p>\u8fd9\u4e9b\u7cfb\u7edf\u7ea7\u7684\u76d1\u6d4b\u5de5\u5177\u5927\u90fd\u662f\u57fa\u4e8eproc\u6587\u4ef6\u7cfb\u7edf\u548c\u4e00\u4e9b\u6027\u80fd\u5bc4\u5b58\u5668\u7684\uff0c\u603b\u4f53\u4e0a\u5c5e\u4e8e\u95f4\u63a5\u76d1\u63a7\uff0c\u56e0\u6b64\u96be\u4ee5\u505a\u5230\u975e\u5e38\u7cbe\u7ec6\u7684\u76d1\u6d4b\u548c\u5206\u6790\u3002<\/p>\n\n\n\n<p>\u4e0b\u4e00\u7bc7\u6587\u7ae0\u6211\u4eec\u5c06\u4ecb\u7ecd\u4fb5\u5165\u5f0f\u7684\u6027\u80fd\u76d1\u6d4b\u5de5\u5177\uff0c\u529f\u80fd\u66f4\u4e3a\u5f3a\u5927\uff0c\u76d1\u6d4b\u7ed3\u679c\u66f4\u4e3a\u53ef\u9760\uff0c\u4f46\u7f3a\u70b9\u662f\u9700\u8981\u4fee\u6539\u6e90\u4ee3\u7801\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.top top\u662f\u4f17\u591alinux\/unix\u7cfb\u7edf\u81ea\u5e26\u7684\u76d1\u6d4b\u5de5\u5177\u3002 top\u80fd\u63d0\u4f9b\u7cfb\u7edf\u603b\u4f53\uff0c\u4ee5\u53ca\u5206\u8fdb\u7a0b\u7684CPU\u3001\u5185\u5b58\u4f7f\u7528\u4fe1\u606f\u3002 \u5e38\u7528\u547d\u4ee4\u5982\u4e0b\uff1a a) 1 &#038;#821&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"http:\/\/www.wangkaixuan.tech\/?p=943\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-943","post","type-post","status-publish","format-standard","hentry","category-05-02-"],"_links":{"self":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=943"}],"version-history":[{"count":0,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/943\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=943"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}