{"id":36506,"date":"2020-08-12T20:48:58","date_gmt":"2020-08-12T12:48:58","guid":{"rendered":"http:\/\/www.zhushiyao.com\/?p=36506"},"modified":"2020-08-13T22:06:35","modified_gmt":"2020-08-13T14:06:35","slug":"%e4%ba%91%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%b1%85%e7%84%b6%e5%86%85%e5%ad%98%e4%b8%8d%e8%b6%b3","status":"publish","type":"post","link":"http:\/\/www.zhushiyao.com\/?p=36506","title":{"rendered":"\u4e91\u670d\u52a1\u5668\u5c45\u7136\u5185\u5b58\u4e0d\u8db3\uff08\u53ea\u6709apache\uff0cmysql\uff09"},"content":{"rendered":"\n

\u4e00\u53f0\u5c0f\u670d\u52a1\u5668\uff0c\u524d\u51e0\u5929\u51fa\u73b0\u6301\u7eed\u5730\u8fde\u63a5\u4e0d\u4e0a\u6570\u636e\u5e93\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n

\u4e8e\u662f\u8fdb\u5230\u670d\u52a1\u5668\uff0c\u91cd\u542fmysql, \u8fc7\u4e00\u4f1a\u53d1\u73b0\uff0c\u4f9d\u7136\u8fde\u4e0d\u4e0a\uff0cmysql\u53c8\u5d29\u4e86\uff0c\u67e5\u770bmysql\u65e5\u5fd7<\/p>\n\n\n\n

[Note] InnoDB: PUNCH HOLE support available
[Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
[Note] InnoDB: Uses event mutexes
[Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
[Note] InnoDB: Compressed tables use zlib 1.2.11
[Note] InnoDB: Using Linux native AIO
[Note] InnoDB: Number of pools: 1
[Note] InnoDB: Using CPU crc32 instructions
[Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
[ERROR] InnoDB: mmap(137428992 bytes) failed; errno 12<\/strong>
[ERROR] InnoDB: Cannot allocate memory for the buffer pool
[ERROR] InnoDB: Plugin initialization aborted with error Generic error
[ERROR] Plugin ‘InnoDB’ init function returned error.
[ERROR] Plugin ‘InnoDB’ registration as a STORAGE ENGINE failed.
[ERROR] Failed to initialize builtin plugins.
[ERROR] Aborting<\/p>\n\n\n\n

[Note] Binlog end
\n[Note] Shutting down plugin ‘CSV’
\n[Note] \/usr\/sbin\/mysqld: Shutdown complete<\/p>\n\n\n\n

\u6709\u95ee\u9898\u627e\u5ea6\u5a18\uff0c\u7ed3\u679c\u4eba\u5bb6\u8bf4\u662f mysql \u6ca1\u6709\u4f7f\u7528swap<\/p>\n\n\n\n

$ free
total used free shared buff\/cache available
Mem: 1009152 243408 561672 24052 204072 599100
Swap: 0 0 0<\/p>\n\n\n\n

\u597d\u50cf\u8fd8\u771f\u662f<\/p>\n\n\n\n

\u4e8e\u662f\u7ed9\u7cfb\u7edf\u52a0\u4e0aswap<\/p>\n\n\n\n

$ sudo fallocate -l 1G \/swapfile
$ ls -lh \/swapfile
-rw-r–r– 1 root root 1.0G Aug 6 00:34 \/swapfile
$ sudo chmod 600 \/swapfile
$ ls -lh \/swapfile
-rw——- 1 root root 1.0G Aug 6 00:34 \/swapfile
$ sudo mkswap \/swapfile
Setting up swapspace version 1, size = 1024 MiB (1073737728 bytes)
no label, UUID=acf7347a-7a96-443b-ae73-cf6ea2d6e7f2
$ sudo swapon \/swapfile
$ sudo swapon –show
NAME TYPE SIZE USED PRIO
\/swapfile file 1024M 0B -2
$ free -h
total used free shared buff\/cache available
Mem: 985M 240M 541M 23M 203M 582M
Swap: 1.0G 0B 1.0G<\/p>\n\n\n\n

\u91cd\u542fmysql\uff0c\u8c8c\u4f3c\u6709\u70b9\u4f5c\u7528\uff0c\u4e0d\u8fc7\u53d1\u73b0\u8fd8\u662f\u597d\u6162\u597d\u6162\uff0c\u8bbf\u95ee\u5728\u7b49\u5f85\u5341\u51e0\u5206\u949f\u540e\u53ef\u4ee5\u663e\u793a\u51fa\u7f51\u9875\uff0c<\/p>\n\n\n\n

top – 02:09:49 up 1:11, 2 users, load average: 0.23, 0.10, 0.02
\nTasks: 117 total, 2 running, 80 sleeping, 0 stopped, 0 zombie
\n%Cpu(s): 0.0 us, 1.0 sy, 0.0 ni, 98.7 id, 0.0 wa, 0.0 hi, 0.3 si, 0.0 st
\nKiB Mem : 1009280 total, 301684 free, 399268 used, 308328 buff\/cache
\nKiB Swap: 2097148 total, 1963260 free, 133888 used. 447072 avail Mem<\/p>\n\n\n\n

$ free
\n total used free shared buff\/cache available
\nMem: 1009280 399296 301480 19832 308504 447044
\nSwap: 2097148 133888 1963260<\/p>\n\n\n\n

\u770b\u770b apache\u7684\u914d\u7f6e\uff0c\u7a0d\u5fae\u8c03\u6574\u4e00\u4e0b\uff0c\u8fd8\u662f\u4e0d\u8d77\u4f5c\u7528<\/p>\n\n\n\n

<IfModule mpm_prefork_module>\n        StartServers                    3\n        MinSpareServers          2\n        MaxSpareServers         5\n        #MaxRequestWorkers        150\n        MaxRequestWorkers        20\n        #MaxConnectionsPerChild   5000\n        MaxConnectionsPerChild   30\n<\/IfModule>\n<\/code><\/pre>\n\n\n\n
\u5e94\u8be5\u662fapache\u5403\u4e86\u592a\u591a\u7684\u5185\u5b58\uff0c\u5bfc\u81f4mysql\u5403\u4e0d\u5230\uff0c\u7136\u540emysql\u76f4\u63a5\u6380\u684c\u5b50\u4e0d\u73a9\u3002<\/p>\n\n\n\n
\u77ed\u65f6\u95f4\u5185\u6ca1\u8f99\u4e86\uff0c\u8fd8\u662f\u4e91\u670d\u52a1\u5668\u52a0\u5185\u5b58\u5427<\/p>\n\n\n\n
\u539f\u6765\u670d\u52a1\u5668\u662f\u6d3b\u52a8\u65f6\u4e70\u7684\uff0c1cpu 1G\uff0c\u60f3\u8981\u5347\u52302G\u5185\u5b58\uff0c\u56e0\u4e3a\u4e0d\u52a0\u94b1\uff0c\u5c45\u7136\u4e0d\u7ed9\u5347\uff0c\u53d1\u4f01\u9e45\u5de5\u5355\u540e\uff0c\u624d\u77e5\u9053\u53ea\u6709\u4ea7\u751f\u4e86\u8d39\u7528\u7684\u624d\u7ed9\u5347\uff0c\u4e8e\u662f\u5347\u52304G\u3002<\/p>\n\n\n\n
\u5347\u597d\u5185\u5b58\u540e\uff0c\u53d1\u73b0\u4e16\u754c\u539f\u6765\u5982\u6b64\u7f8e\u597d\uff0c\u4e00\u5207\u53c8\u7f8e\u51fa\u5929\u4e86<\/p>\n\n\n\n
\u8fd9\u4e16\u754c\u5f52\u6839\u7ed3\u5e95\u8fd8\u662f\u4eba\u6c11\u5e01\u73a9\u5bb6\u5389\u5bb3\u3002<\/p>\n\n\n\n
\u7a7a\u4e0b\u6765\u7814\u7a76\u4e00\u4e0bapache\u7684\u5185\u5b58\u8c03\u4f18\uff0c\u6216\u8005\u5207\u6362\u5230nginx\u4e0a<\/p>\n\n\n\n
\u53c2\u8003\uff1a<\/p>\n\n\n\n
ubuntu 18.04 \u8bbe\u7f6eswap \u4ea4\u6362\u5206\u533a\u6587\u4ef6\uff1ahttps:\/\/blog.csdn.net\/lhs960124\/article\/details\/80446433<\/p>\n\n\n\n
<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u53f0\u5c0f\u670d\u52a1\u5668\uff0c\u524d\u51e0\u5929\u51fa\u73b0\u6301\u7eed\u5730\u8fde\u63a5\u4e0d\u4e0a\u6570\u636e\u5e93\u7684\u60c5\u51b5\u3002 \u4e8e\u662f\u8fdb\u5230\u670d\u52a1\u5668\uff0c\u91cd\u542fmysql, \u8fc7\u4e00\u4f1a\u53d1\u73b0\uff0c\u4f9d\u7136\u8fde\u4e0d\u4e0a … \u7ee7\u7eed\u9605\u8bfb\u201c\u4e91\u670d\u52a1\u5668\u5c45\u7136\u5185\u5b58\u4e0d\u8db3\uff08\u53ea\u6709apache\uff0cmysql\uff09\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6,2],"tags":[820,194,373],"_links":{"self":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts\/36506"}],"collection":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=36506"}],"version-history":[{"count":5,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts\/36506\/revisions"}],"predecessor-version":[{"id":36511,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts\/36506\/revisions\/36511"}],"wp:attachment":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=36506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=36506"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=36506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}