{"id":583,"date":"2026-02-10T15:19:22","date_gmt":"2026-02-10T07:19:22","guid":{"rendered":"http:\/\/47.100.165.17\/wordpress\/?p=583"},"modified":"2026-03-02T23:00:52","modified_gmt":"2026-03-02T15:00:52","slug":"%e3%80%90mysql%e3%80%91%e8%87%aa%e5%8a%a8%e5%8c%96%e8%bf%90%e7%bb%b4%ef%bc%9a%e5%80%9f%e5%8a%a9-chatgpt-%e7%bc%96%e5%86%99%e5%a4%87%e4%bb%bd%e8%84%9a%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=583","title":{"rendered":"\u3010MySQL\u3011\u81ea\u52a8\u5316\u8fd0\u7ef4\uff1a\u7528ChatGPT\u5feb\u901f\u5b9e\u73b0\u5b9a\u65f6\u5907\u4efd\u811a\u672c"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u9700\u6c42\u80cc\u666f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u52a8\u6267\u884c MySQL \u5907\u4efd\u6548\u7387\u4f4e\u4e14\u6613\u51fa\u9519\uff0c\u9700\u5b9e\u73b0\u4ee5\u4e0b\u6838\u5fc3\u80fd\u529b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6bcf\u65e5 0 \u70b9\u81ea\u52a8\u6267\u884c\u5168\u91cf\u5907\u4efd<\/li>\n\n\n\n<li>\u5907\u4efd\u6587\u4ef6\u5e26\u65f6\u95f4\u6233\uff0c\u4fbf\u4e8e\u8ffd\u6eaf<\/li>\n\n\n\n<li>\u81ea\u52a8\u6e05\u7406 10 \u5929\u524d\u5907\u4efd\uff0c\u907f\u514d\u5b58\u50a8\u7a7a\u95f4\u8017\u5c3d<\/li>\n\n\n\n<li>\u8be6\u7ec6\u65e5\u5fd7\u8bb0\u5f55\uff0c\u652f\u6301\u95ee\u9898\u6392\u67e5<\/li>\n\n\n\n<li>\u5b8c\u5584\u7684\u9519\u8bef\u5904\u7406\u673a\u5236<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u86515fd5\">\u501f\u52a9 ChatGPT \u53ef\u5feb\u901f\u751f\u6210\u7b26\u5408\u9700\u6c42\u7684 Shell \u811a\u672c\uff0c\u7ed3\u5408 Linux Crontab \u5b9e\u73b0\u81ea\u52a8\u5316\u8fd0\u7ef4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6838\u5fc3\u5b9e\u73b0\u6b65\u9aa4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5411 ChatGPT \u63d0\u4ea4\u7cbe\u51c6\u63d0\u793a\u8bcd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u660e\u786e\u9700\u6c42\u4e0e\u57fa\u7840\u547d\u4ee4\uff0c\u63d0\u793a\u8bcd\u5982\u4e0b\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5df2\u77e5 xtrabackup \u5907\u4efd\u547d\u4ee4\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>xtrabackup --defaults-file=\/data\/mysql\/conf\/my.cnf -uu_backup -p'Ujg8G_aUU' --backup --stream=xbstream --target-dir=.\/ &gt;\/data\/backup\/xtrabackup.xbstream<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf7\u7f16\u5199 MySQL \u7269\u7406\u5907\u4efd\u811a\u672c\uff0c\u6ee1\u8db3\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6bcf\u5929 0 \u70b9\u6267\u884c\u5168\u91cf\u5907\u4efd\uff1b<\/li>\n\n\n\n<li>\u5907\u4efd\u6587\u4ef6\u5939\u540d\u4ee5 &#8220;bak_&#8221; \u5f00\u5934\uff0c\u542b\u65f6\u95f4\u6233\uff08bak_YYYYMMDD_HHMMSS\uff09\uff1b<\/li>\n\n\n\n<li>\u81ea\u52a8\u5220\u9664 10 \u5929\u524d\u5907\u4efd\uff1b<\/li>\n\n\n\n<li>\u8bb0\u5f55\u8be6\u7ec6\u65e5\u5fd7\uff1b<\/li>\n\n\n\n<li>\u5907\u4efd\u5931\u8d25\u65f6\u8f93\u51fa\u65e5\u5fd7\u5e76\u9000\u51fa\u3002<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">2. ChatGPT \u751f\u6210\u7684\u5907\u4efd\u811a\u672c\uff08\u53ef\u76f4\u63a5\u590d\u7528\uff09<\/h3>\n\n\n\n<pre id=\"Ui6l5\" class=\"wp-block-code\"><code>#!\/bin\/bash\n# MySQL\u7269\u7406\u5907\u4efd\u811a\u672c\uff08\u57fa\u4e8extrabackup\uff09\n# \u6bcf\u59290\u70b9\u6267\u884c\uff0c\u81ea\u52a8\u6e05\u740610\u5929\u524d\u5907\u4efd\n\n# ================================== \u914d\u7f6e\u533a ==================================\nBACKUP_ROOT=\"\/data\/backup\/xtrabackup_bak\"  # \u5907\u4efd\u6839\u76ee\u5f55\nMYSQL_CONF=\"\/data\/mysql\/conf\/my.cnf\"       # MySQL\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\nBACKUP_USER=\"u_backup\"                     # \u5907\u4efd\u7528\u6237\uff08\u9700\u63d0\u524d\u6388\u6743\uff09\nBACKUP_PASS=\"Ujg8G_aUU\"                    # \u5907\u4efd\u7528\u6237\u5bc6\u7801\nRETENTION_DAYS=10                          # \u5907\u4efd\u4fdd\u7559\u5929\u6570\n# ============================================================================\n\n# \u751f\u6210\u65f6\u95f4\u6233\u4e0e\u8def\u5f84\nTIMESTAMP=$(date +%Y%m%d_%H%M%S)\nBACKUP_DIR=\"${BACKUP_ROOT}\/bak_${TIMESTAMP}\"\nLOG_FILE=\"${BACKUP_ROOT}\/backup_${TIMESTAMP}.log\"\n\n# \u521d\u59cb\u5316\u5907\u4efd\u76ee\u5f55\nif &#91; ! -d \"${BACKUP_ROOT}\" ]; then\n    mkdir -p \"${BACKUP_ROOT}\"\n    echo \"$(date +'%Y-%m-%d %H:%M:%S') \u521d\u59cb\u5316\u5907\u4efd\u6839\u76ee\u5f55: ${BACKUP_ROOT}\" >> \"${LOG_FILE}\"\nfi\n\n# \u521b\u5efa\u5f53\u524d\u5907\u4efd\u76ee\u5f55\nmkdir -p \"${BACKUP_DIR}\"\nif &#91; $? -ne 0 ]; then\n    echo \"$(date +'%Y-%m-%d %H:%M:%S') \u9519\u8bef\uff1a\u521b\u5efa\u5907\u4efd\u76ee\u5f55\u5931\u8d25\" >> \"${LOG_FILE}\"\n    exit 1\nfi\n\n# \u6267\u884c\u5907\u4efd\necho \"$(date +'%Y-%m-%d %H:%M:%S') \u5f00\u59cb\u5907\u4efd...\" >> \"${LOG_FILE}\"\nxtrabackup \\\n    --defaults-file=\"${MYSQL_CONF}\" \\\n    -u\"${BACKUP_USER}\" \\\n    -p\"${BACKUP_PASS}\" \\\n    --backup \\\n    --stream=xbstream \\\n    --target-dir=\"${BACKUP_DIR}\" \\\n    > \"${BACKUP_DIR}\/xtrabackup_${TIMESTAMP}.xbstream\" 2>> \"${LOG_FILE}\"\n\n# \u9519\u8bef\u5904\u7406\nif &#91; $? -eq 0 ]; then\n    echo \"$(date +'%Y-%m-%d %H:%M:%S') \u5907\u4efd\u6210\u529f\uff01\u6587\u4ef6\u8def\u5f84\uff1a${BACKUP_DIR}\/xtrabackup_${TIMESTAMP}.xbstream\" >> \"${LOG_FILE}\"\nelse\n    echo \"$(date +'%Y-%m-%d %H:%M:%S') \u9519\u8bef\uff1a\u5907\u4efd\u5931\u8d25\uff01\" >> \"${LOG_FILE}\"\n    rm -rf \"${BACKUP_DIR}\"\n    exit 1\nfi\n\n# \u6e05\u7406\u8fc7\u671f\u5907\u4efd\necho \"$(date +'%Y-%m-%d %H:%M:%S') \u6e05\u7406${RETENTION_DAYS}\u5929\u524d\u5907\u4efd...\" >> \"${LOG_FILE}\"\nfind \"${BACKUP_ROOT}\" \\\n    -name \"bak_*\" \\\n    -type d \\\n    -mtime +${RETENTION_DAYS} \\\n    -exec rm -rf {} \\; 2>> \"${LOG_FILE}\"\n\necho \"$(date +'%Y-%m-%d %H:%M:%S') \u64cd\u4f5c\u5b8c\u6210\" >> \"${LOG_FILE}\"<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"O6HIh\">3. \u811a\u672c\u5173\u952e\u903b\u8f91\u89e3\u6790<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"X35Dx\">\uff081\uff09\u914d\u7f6e\u533a\uff1a\u7075\u6d3b\u9002\u914d\u4e0d\u540c\u73af\u5883<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u610b65f3\">\u811a\u672c\u5f00\u5934\u7684\u914d\u7f6e\u533a\u96c6\u4e2d\u5b9a\u4e49\u4e86\u6838\u5fc3\u53c2\u6570\uff0c\u53ef\u6839\u636e\u81ea\u8eab\u670d\u52a1\u5668\u73af\u5883\u4fee\u6539\uff0c\u65e0\u9700\u6539\u52a8\u540e\u7eed\u903b\u8f91\uff1a<\/p>\n\n\n\n<pre id=\"eb5Nx\" class=\"wp-block-code\"><code># ================================== \u914d\u7f6e\u533a ==================================\n\nBACKUP_ROOT=\"\/data\/backup\/xtrabackup_bak\"  # \u5907\u4efd\u6587\u4ef6\u5b58\u653e\u7684\u6839\u76ee\u5f55\n\nMYSQL_CONF=\"\/data\/mysql\/conf\/my.cnf\"       # MySQL\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\n\nBACKUP_USER=\"u_backup\"                     # \u5907\u4efd\u7528\u6237\uff08\u9700\u63d0\u524d\u6388\u6743\uff09\n\nBACKUP_PASS=\"Ujg8G_aUU\"                    # \u5907\u4efd\u7528\u6237\u5bc6\u7801\n\nRETENTION_DAYS=10                          # \u5907\u4efd\u4fdd\u7559\u5929\u6570\uff0810\u5929\uff09\n\n# ============================================================================<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>BACKUP<\/strong><strong>_<\/strong><strong>ROOT<\/strong>\uff1a\u5efa\u8bae\u9009\u62e9\u5b58\u50a8\u7a7a\u95f4\u5145\u8db3\u7684\u78c1\u76d8\u5206\u533a\uff0c\u907f\u514d\u56e0\u5907\u4efd\u6587\u4ef6\u5360\u7528\u8fc7\u591a\u7a7a\u95f4\u5bfc\u81f4\u4e1a\u52a1\u5f02\u5e38\uff1b<\/li>\n\n\n\n<li><strong>MYSQL<\/strong><strong>_<\/strong><strong>CONF<\/strong>\uff1a\u9700\u6307\u5411 MySQL \u5b9e\u9645\u7684\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\uff08\u5982\u9ed8\u8ba4\u8def\u5f84<code>\/etc\/my.cnf<\/code>\uff09\uff0c\u786e\u4fdd XtraBackup \u80fd\u8bfb\u53d6\u6570\u636e\u76ee\u5f55\u3001\u7aef\u53e3\u7b49\u5173\u952e\u914d\u7f6e\uff1b<\/li>\n\n\n\n<li><strong>RETENTION<\/strong><strong>_<\/strong><strong>DAYS<\/strong>\uff1a\u53ef\u6839\u636e\u78c1\u76d8\u5bb9\u91cf\u8c03\u6574\uff0c\u4f8b\u5982 TB \u7ea7\u6570\u636e\u573a\u666f\u53ef\u7f29\u77ed\u81f3 7 \u5929\uff0c\u5c0f\u578b\u6570\u636e\u5e93\u53ef\u5ef6\u957f\u81f3 30 \u5929\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"czfuB\">\uff082\uff09\u65f6\u95f4\u6233\u4e0e\u65e5\u5fd7\uff1a\u4fbf\u4e8e\u8ffd\u6eaf\u4e0e\u6392\u67e5<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"uc8132097\">\u811a\u672c\u901a\u8fc7<code>date +%Y%m%d_%H%M%S<\/code>\u751f\u6210\u7cbe\u786e\u5230\u79d2\u7684\u65f6\u95f4\u6233\uff0c\u786e\u4fdd\u5907\u4efd\u76ee\u5f55\u540d\u552f\u4e00\uff0c\u540c\u65f6\u4e3a\u6bcf\u6b21\u5907\u4efd\u751f\u6210\u72ec\u7acb\u65e5\u5fd7\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre id=\"dK4Ed\" class=\"wp-block-code\"><code>TIMESTAMP=$(date +%Y%m%d_%H%M%S)\n\nBACKUP_DIR=\"${BACKUP_ROOT}\/bak_${TIMESTAMP}\"  # \u5907\u4efd\u76ee\u5f55\u793a\u4f8b\uff1abak_20250930_000000\n\nLOG_FILE=\"${BACKUP_ROOT}\/backup_${TIMESTAMP}.log\"  # \u65e5\u5fd7\u6587\u4ef6\u793a\u4f8b\uff1abackup_20250930_000000.log<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65e5\u5fd7\u5185\u5bb9<\/strong>\uff1a\u5305\u542b\u5907\u4efd\u5f00\u59cb\u65f6\u95f4\u3001\u5907\u4efd\u7ed3\u679c\u3001\u6e05\u7406\u64cd\u4f5c\u7b49\u5173\u952e\u4fe1\u606f\uff0c\u82e5\u5907\u4efd\u5931\u8d25\uff0c\u53ef\u901a\u8fc7\u65e5\u5fd7\u5b9a\u4f4d\u95ee\u9898\uff08\u5982\u5bc6\u7801\u9519\u8bef\u3001\u6743\u9650\u4e0d\u8db3\uff09\uff1b<\/li>\n\n\n\n<li><strong>\u65e5\u5fd7\u67e5\u770b<\/strong>\uff1a\u6267\u884c<code>cat ${LOG_FILE}<\/code>\u5373\u53ef\u67e5\u770b\u5907\u4efd\u8be6\u60c5\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n\n\n\n<pre id=\"cFySu\" class=\"wp-block-code\"><code>2025-09-30 00:00:01 \u5f00\u59cb\u6267\u884cxtrabackup\u5907\u4efd...\n\n2025-09-30 00:05:23 \u5907\u4efd\u6210\u529f\uff01\u5907\u4efd\u6587\u4ef6\u8def\u5f84\uff1a\/data\/backup\/xtrabackup_bak\/ bak_20250930_000000\/xtrabackup_20250930_000000.xbstream\n\n2025-09-30 00:05:23 \u5f00\u59cb\u6e05\u740610\u5929\u524d\u7684\u5907\u4efd...\n\n2025-09-30 00:05:24 \u5907\u4efd\u53ca\u6e05\u7406\u64cd\u4f5c\u5b8c\u6210<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"ULyAO\">\uff083\uff09\u9519\u8bef\u5904\u7406\uff1a\u907f\u514d\u65e0\u6548\u5907\u4efd\u6b8b\u7559<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ud3f59004\">\u811a\u672c\u901a\u8fc7<code>$?<\/code>\u5224\u65ad\u524d\u5e8f\u547d\u4ee4\u6267\u884c\u7ed3\u679c\uff0c\u82e5\u5907\u4efd\u5931\u8d25\uff08\u5982 XtraBackup \u547d\u4ee4\u62a5\u9519\uff09\uff0c\u5219\u5220\u9664\u7a7a\u7684\u5907\u4efd\u76ee\u5f55\u5e76\u9000\u51fa\uff0c\u907f\u514d\u5360\u7528\u5b58\u50a8\u7a7a\u95f4\uff1a<\/p>\n\n\n\n<pre id=\"i89Q3\" class=\"wp-block-code\"><code># \u6267\u884cxtrabackup\u5907\u4efd\uff08\u6d41\u5f0f\u5907\u4efd\u5230\u6307\u5b9a\u76ee\u5f55\uff09\necho \"$(date +'%Y-%m-%d %H:%M:%S') \u5f00\u59cb\u6267\u884cxtrabackup\u5907\u4efd...\" &gt;&gt; \"${LOG_FILE}\"\nxtrabackup \\\n    --defaults-file=\"${MYSQL_CONF}\" \\\n    -u\"${BACKUP_USER}\" \\\n    -p\"${BACKUP_PASS}\" \\\n    --backup \\\n    --stream=xbstream \\\n    --target-dir=\"${BACKUP_DIR}\" \\\n    &gt; \"${BACKUP_DIR}\/xtrabackup_${TIMESTAMP}.xbstream\" 2&gt;&gt; \"${LOG_FILE}\"\n\n# \u68c0\u67e5\u5907\u4efd\u662f\u5426\u6210\u529f\nif &#91; $? -eq 0 ]; then\n    echo \"$(date +'%Y-%m-%d %H:%M:%S') \u5907\u4efd\u6210\u529f\uff01\u5907\u4efd\u6587\u4ef6\u8def\u5f84\uff1a${BACKUP_DIR}\/xtrabackup_${TIMESTAMP}.xbstream\" &gt;&gt; \"${LOG_FILE}\"\nelse\n    echo \"$(date +'%Y-%m-%d %H:%M:%S') \u9519\u8bef\uff1a\u5907\u4efd\u5931\u8d25\uff01\u8be6\u60c5\u89c1\u65e5\u5fd7\" &gt;&gt; \"${LOG_FILE}\"\n    rm -rf \"${BACKUP_DIR}\"  # \u5907\u4efd\u5931\u8d25\u5219\u5220\u9664\u7a7a\u76ee\u5f55\n    exit 1\nfi<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"kCrvF\">\uff084\uff09\u8fc7\u671f\u6e05\u7406\uff1a\u81ea\u52a8\u91ca\u653e\u5b58\u50a8\u7a7a\u95f4<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u5e4222d8\">\u901a\u8fc7<code>find<\/code>\u547d\u4ee4\u7b5b\u9009 \u201c10 \u5929\u524d\u3001\u4ee5 bak_\u5f00\u5934\u7684\u76ee\u5f55\u201d\uff0c\u5e76\u6267\u884c\u9012\u5f52\u5220\u9664\uff0c\u907f\u514d\u5907\u4efd\u6587\u4ef6\u65e0\u9650\u7d2f\u79ef\uff1a<\/p>\n\n\n\n<pre id=\"dsnt8\" class=\"wp-block-code\"><code># \u6e05\u7406\u8fc7\u671f\u5907\u4efd\uff08\u5220\u966410\u5929\u524d\u7684bak_\u5f00\u5934\u76ee\u5f55\uff09\necho \"$(date +'%Y-%m-%d %H:%M:%S') \u5f00\u59cb\u6e05\u7406${RETENTION_DAYS}\u5929\u524d\u7684\u5907\u4efd...\" &gt;&gt; \"${LOG_FILE}\"\nfind \"${BACKUP_ROOT}\" \\\n    -name \"bak_*\" \\\n    -type d \\\n    -mtime +${RETENTION_DAYS} \\\n    -exec rm -rf {} \\; 2&gt;&gt; \"${LOG_FILE}\"\n\necho \"$(date +'%Y-%m-%d %H:%M:%S') \u5907\u4efd\u53ca\u6e05\u7406\u64cd\u4f5c\u5b8c\u6210\" &gt;&gt; \"${LOG_FILE}\"<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53c2\u6570\u8bf4\u660e<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>-name \"bak_*\"<\/code>\uff1a\u4ec5\u5339\u914d\u4ee5<code>bak_<\/code>\u5f00\u5934\u7684\u76ee\u5f55\uff0c\u907f\u514d\u8bef\u5220\u5176\u4ed6\u6587\u4ef6\uff1b<\/li>\n\n\n\n<li><code>-type d<\/code>\uff1a\u4ec5\u5904\u7406\u76ee\u5f55\uff08\u6392\u9664\u65e5\u5fd7\u6587\u4ef6\u7b49\u666e\u901a\u6587\u4ef6\uff09\uff1b<\/li>\n\n\n\n<li><code>-mtime +10<\/code>\uff1a\u7b5b\u9009 \u201c\u4fee\u6539\u65f6\u95f4\u8d85\u8fc7 10 \u5929\u201d \u7684\u76ee\u5f55\uff08<code>+10<\/code>\u8868\u793a 10 \u5929\u524d\uff0c<code>-10<\/code>\u8868\u793a 10 \u5929\u5185\uff09\uff1b<\/li>\n\n\n\n<li><code>-exec rm -rf {} \\;<\/code>\uff1a\u5bf9\u5339\u914d\u5230\u7684\u76ee\u5f55\u6267\u884c\u5f3a\u5236\u5220\u9664\uff08<code>{}<\/code>\u4ee3\u8868\u5339\u914d\u5230\u7684\u76ee\u5f55\u8def\u5f84\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"k6vlK\">4. \u914d\u7f6e\u5b9a\u65f6\u4efb\u52a1\uff1a\u5b9e\u73b0\u6bcf\u65e5\u81ea\u52a8\u5907\u4efd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u218bb0fe\">\u811a\u672c\u7f16\u5199\u5b8c\u6210\u540e\uff0c\u9700\u901a\u8fc7 Linux \u7684<code>crontab<\/code>\u5de5\u5177\u914d\u7f6e\u5b9a\u65f6\u4efb\u52a1\uff0c\u786e\u4fdd\u6bcf\u5929 0 \u70b9\u81ea\u52a8\u6267\u884c\u5907\u4efd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"Ydi9f\">\uff081\uff09\u811a\u672c\u6743\u9650\u914d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ubcc5bf1f\">\u9996\u5148\u4e3a\u811a\u672c\u6dfb\u52a0\u53ef\u6267\u884c\u6743\u9650\uff0c\u5426\u5219 crontab \u65e0\u6cd5\u6267\u884c\uff1a<\/p>\n\n\n\n<pre id=\"gq7hj\" class=\"wp-block-code\"><code># \u8fdb\u5165\u811a\u672c\u6240\u5728\u76ee\u5f55\uff08\u5047\u8bbe\u811a\u672c\u5b58\u653e\u5728\/data\/backup\/script\/\uff09\n\ncd \/data\/backup\/script\/\n\n# \u8d4b\u4e88\u53ef\u6267\u884c\u6743\u9650\n\nchmod +x backup_script.sh<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"p3j7I\">\uff082\uff09\u7f16\u8f91 crontab \u4efb\u52a1<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u9459ee30\">\u6267\u884c<code>crontab -e<\/code>\u547d\u4ee4\u7f16\u8f91\u5b9a\u65f6\u4efb\u52a1\uff0c\u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n<pre id=\"NfVeS\" class=\"wp-block-code\"><code># \u6bcf\u59290\u70b9\u6267\u884cXtraBackup\u5907\u4efd\u811a\u672c\n\n0 0 * * * \/data\/backup\/script\/backup_script.sh <\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Crontab \u8bed\u6cd5<\/strong>\uff1a<code>\u5206 \u65f6 \u65e5 \u6708 \u5468<\/code>\uff0c<code>0 0 * * *<\/code>\u8868\u793a \u201c\u6bcf\u5929 0 \u65f6 0 \u5206\u201d\uff1b<\/li>\n\n\n\n<li><strong>\u751f\u6548\u65b9\u5f0f<\/strong>\uff1acrontab \u4efb\u52a1\u65e0\u9700\u91cd\u542f\u670d\u52a1\uff0c\u6dfb\u52a0\u540e\u4f1a\u81ea\u52a8\u751f\u6548\uff0c\u53ef\u901a\u8fc7<code>crontab -l<\/code>\u67e5\u770b\u5df2\u914d\u7f6e\u7684\u4efb\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"p21Yk\">\uff083\uff09\u9a8c\u8bc1\u5b9a\u65f6\u4efb\u52a1<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ue1f7e700\">\u82e5\u9700\u7acb\u5373\u9a8c\u8bc1\u811a\u672c\u662f\u5426\u80fd\u901a\u8fc7 crontab \u6267\u884c\uff0c\u53ef\u4e34\u65f6\u4fee\u6539\u4efb\u52a1\u65f6\u95f4\uff08\u5982\u5f53\u524d\u65f6\u95f4\u4e3a 14:30\uff0c\u8bbe\u7f6e\u4e3a<code>35 14 * * *<\/code>\uff09\uff0c\u7b49\u5f85\u65f6\u95f4\u5230\u8fbe\u540e\u67e5\u770b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5907\u4efd\u76ee\u5f55\u662f\u5426\u751f\u6210\u65b0\u7684<code>bak_*<\/code>\u76ee\u5f55\uff1b<\/li>\n\n\n\n<li>cron \u65e5\u5fd7\u662f\u5426\u6709\u6b63\u5e38\u8f93\u51fa\uff1a<code>cat \/data\/backup\/xtrabackup_bak\/backup_*.log<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"KPFV7\">\u4e09\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u66c9e0c0\">\u5728\u4f7f\u7528 XtraBackup \u7684\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6743\u9650\u4e0d\u8db3\u3001\u7248\u672c\u4e0d\u517c\u5bb9\u7b49\u95ee\u9898\uff0c\u4ee5\u4e0b\u662f\u9ad8\u9891\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"IbSEw\">\uff081\uff09\u5907\u4efd\u65f6\u63d0\u793a \u201cAccess denied for user &#8216;u_backup&#8217;@&#8217;localhost&#8217;\u201d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u56e0<\/strong>\uff1a\u5907\u4efd\u7528\u6237\u5bc6\u7801\u9519\u8bef\uff0c\u6216\u672a\u6388\u4e88\u8db3\u591f\u6743\u9650\uff1b<\/li>\n\n\n\n<li><strong>\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9a8c\u8bc1\u5bc6\u7801\uff1a\u6267\u884c<code>mysql -u u_backup -p<\/code>\uff0c\u8f93\u5165\u5bc6\u7801\u786e\u8ba4\u80fd\u5426\u6b63\u5e38\u767b\u5f55\uff1b<\/li>\n\n\n\n<li>\u91cd\u65b0\u6388\u6743\uff1a\u786e\u4fdd\u6388\u4e88<code>backup_admin<\/code>\u3001<code>replication client<\/code>\u7b49\u5173\u952e\u6743\u9650\uff1b<\/li>\n\n\n\n<li>\u811a\u672c\u68c0\u67e5\uff1a\u786e\u8ba4\u811a\u672c\u4e2d<code>BACKUP_PASS<\/code>\u53c2\u6570\u4e0e\u5b9e\u9645\u5bc6\u7801\u4e00\u81f4\uff0c\u82e5\u5bc6\u7801\u542b\u7279\u6b8a\u5b57\u7b26\uff08\u5982<code>!<\/code>\u3001<code>$<\/code>\uff09\uff0c\u9700\u7528\u5355\u5f15\u53f7\u62ec\u8d77\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"lDjwa\">\uff082\uff09\u6062\u590d\u540e\u542f\u52a8 MySQL \u63d0\u793a \u201cPermission denied\u201d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u56e0<\/strong>\uff1a\u6570\u636e\u76ee\u5f55\u7684\u6587\u4ef6\u5c5e\u4e3b\u4e0d\u662f MySQL \u8fd0\u884c\u7528\u6237\uff08\u9ed8\u8ba4<code>mysql<\/code>\uff09\uff1b<\/li>\n\n\n\n<li><strong>\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u6267\u884c<code>chown -R mysql:mysql \/data\/mysql\/<\/code>\u9012\u5f52\u4fee\u6539\u6570\u636e\u76ee\u5f55\u7684\u5c5e\u4e3b\u548c\u5c5e\u7ec4\uff0c\u786e\u4fdd MySQL \u6709\u6743\u8bfb\u5199\u6570\u636e\u6587\u4ef6\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ZnkOa\">\uff083\uff09\u538b\u7f29\u5907\u4efd\u89e3\u538b\u65f6\u63d0\u793a \u201cqpress: command not found\u201d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u56e0<\/strong>\uff1a\u672a\u5b89\u88c5 qpress \u538b\u7f29\u5de5\u5177\uff0cXtraBackup \u65e0\u6cd5\u89e3\u538b<code>.qp<\/code>\u683c\u5f0f\u7684\u538b\u7f29\u6587\u4ef6\uff1b<\/li>\n\n\n\n<li><strong>\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u82e5\u670d\u52a1\u5668\u80fd\u8054\u7f51\uff0c\u6267\u884c\u524d\u6587\u7684 qpress \u5b89\u88c5\u547d\u4ee4\uff08<code>wget + \u7f16\u8bd1\u5b89\u88c5<\/code>\uff09\uff1b<\/li>\n\n\n\n<li>\u82e5\u670d\u52a1\u5668\u65e0\u6cd5\u8054\u7f51\uff0c\u5148\u5728\u672c\u5730\u4e0b\u8f7d qpress \u6e90\u7801\u5305\uff0c\u901a\u8fc7<code>scp<\/code>\u4f20\u8f93\u5230\u670d\u52a1\u5668\u540e\u518d\u5b89\u88c5\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u5982\u679c\u65e0\u6cd5\u8fde\u5230GitHub\uff0c\u53c2\u8003\u4e0b\u9762\u94fe\u63a5\u89e3\u51b3\uff1a\u5982\u4f55\u4e0b\u8f7d xbstream \u548c qpress \u7684\u5de5\u5177\uff1f<a href=\"https:\/\/cloud.tencent.com\/developer\/techpedia\/1067\/9183\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/cloud.tencent.com\/developer\/techpedia\/1067\/9183<\/a><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"dIrai\">\uff084\uff09XtraBackup 8.0 \u5907\u4efd MySQL 5.7 \u63d0\u793a \u201cIncompatible MySQL version\u201d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u56e0<\/strong>\uff1a\u7248\u672c\u4e0d\u517c\u5bb9\uff0cXtraBackup 8.0 \u4ec5\u652f\u6301 MySQL 8.0 \u53ca\u4ee5\u4e0a\u7248\u672c\uff1b<\/li>\n\n\n\n<li><strong>\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u5378\u8f7d\u5f53\u524d\u7248\u672c\uff0c\u5b89\u88c5 XtraBackup 2.4 \u7cfb\u5217\uff08\u5982 2.4.28\uff09\uff0c\u4e0b\u8f7d\u5730\u5740\uff1a<a href=\"https:\/\/www.percona.com\/downloads\/Percona-XtraBackup-2.4\/\" target=\"_blank\" rel=\"noreferrer noopener\">Percona XtraBackup 2.4<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u501f\u52a9 ChatGPT \u53ef\u5feb\u901f\u751f\u6210\u7b26\u5408\u9700\u6c42\u7684\u81ea\u52a8\u5316\u811a\u672c\uff0c\u7ed3\u5408 XtraBackup \u7684\u7269\u7406\u5907\u4efd\u4f18\u52bf\u4e0e Crontab \u7684\u5b9a\u65f6\u80fd\u529b\uff0c\u5b9e\u73b0 MySQL \u5907\u4efd\u7684 &#8220;\u96f6\u624b\u52a8\u5e72\u9884&#8221;\u3002\u811a\u672c\u5177\u5907\u914d\u7f6e\u7075\u6d3b\u3001\u65e5\u5fd7\u5b8c\u6574\u3001\u9519\u8bef\u5904\u7406\u5b8c\u5584\u7b49\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u5404\u7c7b Linux \u670d\u52a1\u5668\u73af\u5883\uff0c\u6709\u6548\u964d\u4f4e\u8fd0\u7ef4\u6210\u672c\u4e0e\u4eba\u4e3a\u5931\u8bef\u98ce\u9669\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u9700\u6c42\u80cc\u666f \u624b\u52a8\u6267\u884c MySQL \u5907\u4efd\u6548\u7387\u4f4e\u4e14\u6613\u51fa\u9519\uff0c\u9700\u5b9e\u73b0\u4ee5\u4e0b\u6838\u5fc3\u80fd\u529b\uff1a \u501f\u52a9 ChatGPT \u53ef\u5feb\u901f\u751f\u6210<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=583\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa fa-caret-right\"><\/i><\/a>\n\t\t\t<\/div>\n","protected":false},"author":1,"featured_media":585,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[16],"class_list":["post-583","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql","tag-mysql"],"_links":{"self":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/583","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=583"}],"version-history":[{"count":5,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/583\/revisions"}],"predecessor-version":[{"id":908,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/583\/revisions\/908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/585"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}