{"id":23175,"date":"2024-02-20T08:43:29","date_gmt":"2024-02-20T08:43:29","guid":{"rendered":"https:\/\/www.taosdata.com\/?p=23175"},"modified":"2024-02-28T08:54:41","modified_gmt":"2024-02-28T08:54:41","slug":"%e5%86%85%e5%ad%98%e6%b3%84%e6%bc%8f%e6%b2%bb%e7%90%86%e5%ae%9e%e6%88%98%ef%bc%9atdengine%e7%a0%94%e5%8f%91%e5%9b%a2%e9%98%9f%e4%bd%bf%e7%94%a8windbg%e7%9a%84%e7%bb%8f%e9%aa%8c%e5%88%86%e4%ba%ab","status":"publish","type":"post","link":"https:\/\/www.taosdata.com\/tdengine-engineering\/23175.html","title":{"rendered":"\u5185\u5b58\u6cc4\u6f0f\u6cbb\u7406\u5b9e\u6218\uff1aTDengine \u7814\u53d1\u56e2\u961f\u4f7f\u7528 Windbg \u7684\u7ecf\u9a8c\u5206\u4eab"},"content":{"rendered":"\n<p>\u5185\u5b58\u6cc4\u6f0f\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u5b83\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u7684\u5185\u5b58\u5360\u7528\u9010\u6e10\u589e\u52a0\uff0c\u6700\u7ec8\u5bfc\u81f4\u7cfb\u7edf\u8d44\u6e90\u8017\u5c3d\u6216\u7a0b\u5e8f\u5d29\u6e83\u3002AddressSanitizer (ASan) \u548c Valgrind \u662f\u5f88\u597d\u7684\u5185\u5b58\u68c0\u6d4b\u5de5\u5177\uff0c<a href=\"https:\/\/www.taosdata.com\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"TDengine\" target=\"_blank\" rel=\"noopener\">TDengine<\/a> \u7684 CI \u8fc7\u7a0b\u5c31\u4f7f\u7528\u4e86 ASan \u3002\u4e0d\u8fc7\u8fd9\u6b21\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\u53d1\u751f\u5728 Windows \u4e0b\uff0c\u6211\u4eec CI \u6682\u65f6\u8fd8\u6ca1\u6709\u8986\u76d6\u5230\uff0c\u56e0\u6b64 TDengine \u7814\u53d1\u9009\u62e9\u4f7f\u7528 Windbg \u6765\u89e3\u51b3\u95ee\u9898\u3002\u7ed3\u679c\u8bc1\u660e\uff0c\u5728 Windows \u4e0b\uff0c\u4f7f\u7528 Windbg \u4e5f\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<h3>\u5185\u5b58\u6cc4\u6f0f\u7684\u5e38\u7528\u68c0\u6d4b\u65b9\u6cd5<\/h3>\n\n\n\n<p><strong>\u5185\u5b58\u6cc4\u6f0f\u901a\u5e38\u4f1a\u53d1\u751f\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li>\u7a0b\u5e8f\u672a\u6b63\u786e\u91ca\u653e\u5df2\u5206\u914d\u7684\u5185\u5b58<\/li>\n\n\n\n<li>\u7a0b\u5e8f\u4e2d\u5b58\u5728\u5faa\u73af\u5f15\u7528\uff0c\u5bfc\u81f4\u5783\u573e\u6536\u96c6\u5668\u65e0\u6cd5\u56de\u6536\u5185\u5b58<\/li>\n\n\n\n<li>\u7a0b\u5e8f\u4e2d\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u7684\u7b2c\u4e09\u65b9\u5e93\u6216\u7ec4\u4ef6<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5185\u5b58\u6cc4\u6f0f\u7684\u68c0\u6d4b\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/strong><\/p>\n\n\n\n<ol start=\"1\">\n<li>\u9759\u6001\u4ee3\u7801\u5206\u6790\u5de5\u5177\uff1a\u672a\u91ca\u653e\u7684\u6307\u9488\u6216\u5185\u5b58\u5206\u914d\u9519\u8bef\u7b49\u95ee\u9898\uff0c\u4e0d\u80fd\u68c0\u6d4b\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u52a8\u6001\u5206\u914d\u5185\u5b58\u7684\u60c5\u51b5\u3002<\/li>\n\n\n\n<li>\u52a8\u6001\u5206\u6790\u5de5\u5177\uff1a\u53ef\u4ee5\u4f7f\u7528\u5185\u5b58\u5206\u914d\u548c\u91ca\u653e\u8ddf\u8e2a\u5668\u6765\u8ddf\u8e2a\u7a0b\u5e8f\u4e2d\u7684\u5185\u5b58\u5206\u914d\u548c\u91ca\u653e\u64cd\u4f5c\uff0c\u5e76\u68c0\u6d4b\u662f\u5426\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u7684\u60c5\u51b5\u3002\u7136\u800c\uff0c\u4f7f\u7528\u67d0\u4e9b\u5de5\u5177\uff08\u5982Valgrind\uff09\u53ef\u80fd\u4f1a\u5bf9\u7a0b\u5e8f\u7684\u6027\u80fd\u4ea7\u751f\u4e00\u5b9a\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u8c03\u8bd5\u5668\uff1aWinDbg \u548c GDB\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u4f18\u7f3a\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li>\u9759\u6001\u4ee3\u7801\u5206\u6790\u5de5\u5177\u53ef\u4ee5\u5728\u65e9\u671f\u53d1\u73b0\u95ee\u9898\uff0c\u4f46\u662f\u5b83\u4eec\u4e0d\u80fd\u68c0\u6d4b\u7a0b\u5e8f\u8fd0\u884c\u65f6\u52a8\u6001\u5206\u914d\u5185\u5b58\u7684\u60c5\u51b5\u3002<\/li>\n\n\n\n<li>\u52a8\u6001\u5206\u6790\u5de5\u5177\u53ef\u4ee5\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u68c0\u6d4b\u95ee\u9898\uff0c\u4f46\u662f\u5b83\u4eec\u53ef\u80fd\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u6027\u80fd\uff0c\u5e76\u4e14\u5728\u68c0\u6d4b\u5927\u578b\u5e94\u7528\u7a0b\u5e8f\u65f6\u53ef\u80fd\u9700\u8981\u5927\u91cf\u7684\u65f6\u95f4\u548c\u8d44\u6e90\u3002\u4e0d\u8fc7\u5728\u8d44\u6e90\u5145\u8db3\u7684\u6d4b\u8bd5\u73af\u5883\u4e2d\u8dd1\u7684\u8bdd\uff0c\u5c31\u90fd\u4e0d\u662f\u95ee\u9898\u4e86\uff0c\u6bd4\u5982 ASan \u5c31\u5e2e\u6211\u4eec\u53d1\u73b0\u8fc7\u4e0d\u5c11\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u8c03\u8bd5\u5668\u53ef\u4ee5\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u68c0\u6d4b\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u5f3a\u5927\u7684\u5206\u6790\u5de5\u5177\u3002<\/li>\n<\/ul>\n\n\n\n<h3>\u5b9e\u8df5\u5206\u6790<\/h3>\n\n\n\n<h4>\u57fa\u672c\u539f\u7406<\/h4>\n\n\n\n<p>\u4f7f\u7528 Windbg \u5b9a\u4f4d\u5185\u5b58\u6cc4\u9732\uff0c\u4f9d\u8d56 glags \u7ec4\u4ef6\u8bb0\u5f55\u7a0b\u5e8f\u5728\u8fd0\u884c\u671f\u95f4\u6240\u6709\u7533\u8bf7\u548c\u91ca\u653e\u7684\u5185\u5b58\uff0c\u540c\u65f6\u8bb0\u5f55\u7684\u8fd8\u6709\u7533\u8bf7\u5185\u5b58\u65f6\u7684\u8c03\u7528\u6808\u4fe1\u606f\u3002\u8fd9\u6837\u5728\u7a0b\u5e8f\u8fd0\u884c\u671f\u95f4\uff0c\u4f7f\u7528 umdh \u7ec4\u4ef6\u8fdb\u884c\u4e24\u6b21\u5feb\u7167\u8bb0\u5f55\uff0c\u901a\u8fc7\u6bd4\u8f83\u4e24\u6b21\u5feb\u7167\u4fe1\u606f\u7684\u5dee\u5f02\uff0c\u5c31\u53ef\u4ee5\u53d1\u73b0\u4e24\u6b21\u5feb\u7167\u95f4\u9694\u65f6\u95f4\u6bb5\u4e2d\u7533\u8bf7\u5374\u5e76\u672a\u91ca\u653e\u7684\u5185\u5b58\u7533\u8bf7\u4fe1\u606f\u3002\u5982\u679c\u6709\u5185\u5b58\u6cc4\u9732\uff0cdiff \u7ed3\u679c\u6700\u524d\u8fb9\u4e00\u822c\u5c31\u662f\u6cc4\u6f0f\u70b9\u7684\u8c03\u7528\u6808\u4fe1\u606f\u3002\u5f53\u7136\uff0c\u4e24\u6b21\u5feb\u7167\u671f\u95f4\uff0c\u8981\u5c3d\u91cf\u89e6\u53d1\u5185\u5b58\u6cc4\u9732\uff0c\u624d\u80fd\u66f4\u51c6\u786e\u7684\u5b9a\u4f4d\u3002diff \u7ed3\u679c\u4e2d\u8fd8\u4f1a\u6709\u5c11\u91cf\u6b63\u5e38\u7684\u7533\u8bf7\u6ca1\u6765\u5f97\u53ca\u91ca\u653e\u7684\u8c03\u7528\u4fe1\u606f\uff0c\u4e0d\u8fc7 diff \u7ed3\u679c\u4e2d\u80fd\u770b\u5230\u8c03\u7528\u6b21\u6570\uff0c\u6bd4\u8f83\u5bb9\u6613\u7504\u522b\u3002<\/p>\n\n\n\n<h4>\u95ee\u9898\u4ecb\u7ecd<\/h4>\n\n\n\n<p>taosdump \u5728 windows \u5bfc\u5165\u6570\u636e\u51fa\u9519\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>build and install latest TDengine 3.0 branch on Windows\nuse \"taosBenchmark -I stmt -y\" to create a lot of tables and data (10000 * 10000).\nuse \"taosdump -D test -o outputFile\" to dump out\nuse \"taos -s 'drop database test'\" to drop database\nuse \"taosdump -i inputFile\" to dump in.<\/code><\/pre>\n\n\n\n<p>\u9519\u8bef\u65e5\u5fd7\uff1ataosd &#8220;tsem_init failed, errno: 28&#8221;<\/p>\n\n\n\n<p>Taosdump: dumpInAvroDataImpl() LN7039 taos_stmt_execute() failed! reason: Out of Memory, timestamp: 1500000009256<\/p>\n\n\n\n<h4>\u5b9a\u4f4d\u8fc7\u7a0b<\/h4>\n\n\n\n<h5>\u914d\u7f6e gflags<\/h5>\n\n\n\n<p>gflags \u5de5\u5177\u5e94\u8be5\u4f4d\u4e8e\u8def\u5f84\uff1aC:\\Program Files (x86)\\Windows Kits\\10\\Debuggers\\x64\\gflags\uff0c\u5982\u679c\u6ca1\u6709\u7684\u8bdd\uff0c\u53ef\u4ee5\u76f4\u63a5\u524d\u5f80 Microsoft \u7684\u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d\u5b89\u88c5\uff1a<a href=\"https:\/\/learn.microsoft.com\/zh-cn\/windows-hardware\/drivers\/debugger\/debugger-download-tools\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/learn.microsoft.com\/zh-cn\/windows-hardware\/drivers\/debugger\/debugger-download-tools<\/a><\/p>\n\n\n\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u5728\u547d\u4ee4\u884c\u6267\u884c gflags.exe \/i your_application.exe \u53ef\u8bbe\u7f6e\u8ddf\u8e2a\u76ee\u6807\uff0c\u540c\u65f6\u53ef\u4ee5\u8bbe\u7f6e\u76f8\u5173\u53c2\u6570\u3002\u53cc\u51fb\u8fd0\u884c\u4e5f\u662f\u53ef\u4ee5\u7684\uff0cImage File \u5bf9\u5e94 \/i \u53c2\u6570\uff0c\u9009\u62e9\u542f\u52a8\u7a0b\u5e8f your_application.exe \u540e\u5148\u6309 tab \u952e\uff0c\u7136\u540e\u9009\u62e9\u5176\u4ed6\u914d\u7f6e\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"541\" height=\"589\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/02\/1.jpeg\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-23176\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/02\/1.jpeg 541w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/02\/1-276x300.jpeg 276w\" sizes=\"(max-width: 541px) 100vw, 541px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<h5>\u5b9a\u4f4d\u6b65\u9aa4<\/h5>\n\n\n\n<ol start=\"1\">\n<li>\u542f\u52a8 your_application.exe\uff08\u6211\u8981\u8c03\u8bd5\u7684\u662f taosdump.exe\uff0c\u6240\u4ee5\u4e0b\u8fb9\u662f taosdump.exe\uff09<\/li>\n<\/ol>\n\n\n\n<p>&#8220;C:\\Program Files (x86)\\Windows Kits\\10\\Debuggers\\x64\\gflags&#8221; -i taosdump.exe +ust<\/p>\n\n\n\n<ol start=\"2\">\n<li>\u62f7\u8d1d pdb \u6587\u4ef6\u5230 mysymbols \u76ee\u5f55\uff0cpdb \u6587\u4ef6\u5b58\u50a8\u4e86\u7f16\u8bd1\u540e\u7684\u7a0b\u5e8f\u7684\u8c03\u8bd5\u4fe1\u606f\uff0c\u548c\u53ef\u6267\u884c\u7a0b\u5e8f\u4e00\u8d77\u751f\u6210\uff0c\u53ef\u4ee5\u5728\u5e94\u7528\u7a0b\u5e8f\u751f\u6210\u76ee\u5f55\u4e2d\u627e\u5230\u3002<\/li>\n\n\n\n<li>Set pdb \u76ee\u5f55<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>set _NT_SYMBOL_PATH=c:\\mysymbols;srv*c:\\mycache*https:\/\/msdl.microsoft.com\/download\/symbols<\/code><\/pre>\n\n\n\n<ol start=\"4\">\n<li>\u751f\u6210\u7b2c\u4e00\u6b21\u5185\u5b58\u5feb\u7167<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>\"C:\\Program Files (x86)\\Windows Kits\\10\\Debuggers\\x64\\umdh\" -pn:taosdump.exe -f:C:\\xstest\\umdhlog\\taosdump11.log<\/code><\/pre>\n\n\n\n<ol start=\"5\">\n<li>\u751f\u6210\u7b2c\u4e8c\u6b21\u5185\u5b58\u5feb\u7167<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>\"C:\\Program Files (x86)\\Windows Kits\\10\\Debuggers\\x64\\umdh\" -pn:taosdump.exe -f:C:\\xstest\\umdhlog\\taosdump12.log<\/code><\/pre>\n\n\n\n<ol start=\"6\">\n<li>\u751f\u6210\u5feb\u7167\u6bd4\u8f83\u7ed3\u679c\uff08umdh\uff09<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>\"C:\\Program Files (x86)\\Windows Kits\\10\\Debuggers\\x64\\umdh\"  C:\\xstest\\umdhlog\\taosdump11.log C:\\xstest\\umdhlog\\taosdump12.log -f:C:\\xstest\\umdhlog\\taosdumpdiff11_12.log<\/code><\/pre>\n\n\n\n<h4>\u5206\u6790\u4e0e\u89e3\u51b3<\/h4>\n\n\n\n<h5>\u7ed3\u679c\u6587\u4ef6<\/h5>\n\n\n\n<p>\u56e0\u4e3a taosdump \u7a0b\u5e8f\u542f\u52a8\u540e\u76f4\u81f3\u9000\u51fa\u90fd\u5728\u505a\u5927\u91cf\u7684\u4e1a\u52a1\u5de5\u4f5c\uff0c\u5185\u5b58\u6cc4\u9732\u5f88\u5bb9\u6613\u53d1\u751f\u5728\u4e24\u6b21\u5feb\u7167\u671f\u95f4\u3002 988040 &#8211; 6ecf0 \u8868\u793a&#8221;\u7533\u8bf7\u6b21\u6570 &#8211; \u91ca\u653e\u6b21\u6570&#8221;\uff0c \u5f88\u660e\u663e\u53d1\u751f\u4e86\u5185\u5b58\u6cc4\u9732\uff0c\u6cc4\u6f0f\u70b9\u5728 buildRequest \u51fd\u6570\u7684 sem_init \u8fd9\u91cc\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>+  919350 ( 988040 - 6ecf0)  201b0 allocs        BackTrace9CB6973F\n+   1ea5c ( 201b0 -  1754)        BackTrace9CB6973F        allocations\n\n        ntdll!RtlpAllocateHeapInternal+948D5\n        taos!heap_alloc_dbg_internal+1F6 (minkernel\\crts\\ucrt\\src\\appcrt\\heap\\debug_heap.cpp, 359)\n        taos!heap_alloc_dbg+4D (minkernel\\crts\\ucrt\\src\\appcrt\\heap\\debug_heap.cpp, 450)\n        taos!_calloc_dbg+6C (minkernel\\crts\\ucrt\\src\\appcrt\\heap\\debug_heap.cpp, 518)\n        taos!calloc+2E (minkernel\\crts\\ucrt\\src\\appcrt\\heap\\calloc.cpp, 30)\n        taos!sem_init+5D (C:\\workroom\\TDengine\\contrib\\pthread\\sem_init.c, 109)\n        taos!buildRequest+209 (C:\\workroom\\TDengine\\source\\client\\src\\clientImpl.c, 192)\n        taos!stmtCreateRequest+73 (C:\\workroom\\TDengine\\source\\client\\src\\clientStmt.c, 15)\n        taos!stmtSetTbName+115 (C:\\workroom\\TDengine\\source\\client\\src\\clientStmt.c, 588)\n        taos!taos_stmt_set_tbname+7F (C:\\workroom\\TDengine\\source\\client\\src\\clientMain.c, 1350)\n        taosdump!dumpInAvroDataImpl+E25 (C:\\workroom\\TDengine\\tools\\taos-tools\\src\\taosdump.c, 6260)\n        taosdump!dumpInOneAvroFile+3D2 (C:\\workroom\\TDengine\\tools\\taos-tools\\src\\taosdump.c, 7229)\n        taosdump!dumpInAvroWorkThreadFp+20B (C:\\workroom\\TDengine\\tools\\taos-tools\\src\\taosdump.c, 7306)\n        taosdump!ptw32_threadStart+CD (C:\\workroom\\TDengine\\contrib\\pthread\\ptw32_threadStart.c, 233)\n        taosdump!thread_start<unsigned int (__cdecl*)(void *),1>+9C (minkernel\\crts\\ucrt\\src\\appcrt\\startup\\thread.cpp, 97)\n        KERNEL32!BaseThreadInitThunk+10\n        ntdll!RtlUserThreadStart+2B\n<\/code><\/pre>\n\n\n\n<h5>\u6cc4\u6f0f\u70b9\u4fee\u6539<\/h5>\n\n\n\n<p>\u63a5\u4e0b\u6765\u67e5\u770b\u4ee3\u7801\u5e76\u4fee\u6539\uff0cC \u8bed\u8a00\u5bf9\u5185\u5b58\u7684\u4f7f\u7528\u81ea\u7531\u5ea6\u5f88\u9ad8\uff0c\u56e0\u6b64\u4e5f\u6bd4\u8f83\u9ebb\u70e6\u3002\u53ef\u4ee5\u770b\u5230\u6709\u4e9b\u8def\u5f84\u9057\u6f0f\u4e86 tsem_destory \u7684\u8c03\u7528\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"705\" height=\"1024\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/02\/2-1-705x1024.png\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-23177\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/02\/2-1-705x1024.png 705w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/02\/2-1-206x300.png 206w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/02\/2-1-768x1116.png 768w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/02\/2-1.png 881w\" sizes=\"(max-width: 705px) 100vw, 705px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p>\u66f4\u52a0\u8be6\u7ec6\u7684\u4ee3\u7801\u65b9\u6848\u8bf7\u89c1 <a href=\"https:\/\/github.com\/taosdata\/TDengine\/pull\/19580\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/github.com\/taosdata\/TDengine\/pull\/19580<\/a><\/p>\n\n\n\n<h3>\u603b\u7ed3<\/h3>\n\n\n\n<p>\u5de5\u6b32\u5584\u5176\u4e8b\u5fc5\u5148\u5229\u5176\u5668\uff0c\u638c\u63e1\u66f4\u591a\u7684\u5de5\u5177\u548c\u624b\u6bb5\uff0c\u5728\u89e3\u51b3\u95ee\u9898\u65f6\u624d\u80fd\u6bd4\u8f83\u4ece\u5bb9\uff0cWindbg \u5b9a\u4f4d\u5185\u5b58\u6cc4\u6f0f\u7684\u65b9\u5f0f\u975e\u5e38\u7b80\u5355\uff0c\u4f46\u662f\u5f88\u6709\u6548\u3002\u4e0d\u8fc7\u9700\u8981\u6ce8\u610f\uff0c\u5b83\u4f9d\u8d56 pdb \u6587\u4ef6\uff0c\u56e0\u6b64\uff0c\u53d1\u5e03\u5e94\u7528\u7a0b\u5e8f\u65f6\u8981\u8bb0\u5f97\u4fdd\u7559 pdb \u6587\u4ef6\u3002pdb \u6587\u4ef6\u5305\u542b\u4e86\u7a0b\u5e8f\u7684\u7b26\u53f7\u4fe1\u606f\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u51c6\u786e\u5b9a\u4f4d\u95ee\u9898\u6240\u5728\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\uff0c\u4ece\u51fa\u95ee\u9898\u7684\u4ee3\u7801\u53ef\u4ee5\u770b\u51fa\uff0c\u8fd9\u5757\u5185\u5b58\u7684\u7ba1\u7406\u65b9\u5f0f\u8fd8\u662f\u6bd4\u8f83\u5bb9\u6613\u51fa\u9519\uff0cRAII \u673a\u5236\u80fd\u8f83\u597d\u7684\u907f\u514d\u8d44\u6e90\u6cc4\u9732\uff0cC \u8bed\u8a00\u4e2d\u4e5f\u53ef\u4ee5\u901a\u8fc7\u6a21\u62df RAII \u6765\u8fbe\u5230\u7c7b\u4f3c\u7684\u6548\u679c\uff0c\u867d\u7136\u6ca1\u6709 C++ \u90a3\u4e48\u6d41\u7545\uff0c\u4e5f\u8bb8\u4ee5\u540e\u53ef\u4ee5\u8003\u8651\u4f18\u5316\u4e00\u4e0b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p><em>RAII\uff08Resource Acquisition Is Initialization\uff09\u673a\u5236\u662f\u4e00\u79cd\u91cd\u8981\u7684\u8d44\u6e90\u7ba1\u7406\u65b9\u5f0f\uff0c\u5b83\u5c06\u8d44\u6e90\u7684\u83b7\u53d6\u548c\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u5173\u8054\u8d77\u6765\u3002\u901a\u8fc7\u5728\u5bf9\u8c61\u7684\u6784\u9020\u51fd\u6570\u4e2d\u83b7\u53d6\u8d44\u6e90\uff0c\u5728\u6790\u6784\u51fd\u6570\u4e2d\u91ca\u653e\u8d44\u6e90\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u8d44\u6e90\u7684\u6b63\u786e\u7ba1\u7406\uff0c\u9632\u6b62\u8d44\u6e90\u6cc4\u6f0f\u548c\u5185\u5b58\u6cc4\u6f0f\u7b49\u95ee\u9898\u3002RAII \u673a\u5236\u5728 C++ \u7b49\u7f16\u7a0b\u8bed\u8a00\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\uff0c\u662f\u4e00\u79cd\u6709\u6548\u7684\u8d44\u6e90\u7ba1\u7406\u65b9\u5f0f\u3002<\/em><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u5e72\u8d27\uff01Windbg \u5728 TDengine \u5185\u5b58\u6cc4\u6f0f\u8c03\u8bd5\u4e2d\u7684\u5e94\u7528\u4e0e\u5b9e\u8df5\u5206\u4eab\u3002<\/p>\n","protected":false},"author":177,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,7],"tags":[],"_links":{"self":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/posts\/23175"}],"collection":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/users\/177"}],"replies":[{"embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/comments?post=23175"}],"version-history":[{"count":0,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/posts\/23175\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/media?parent=23175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/categories?post=23175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/tags?post=23175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}