网站建设计划表,网站图文混排怎么存放到数据库里,平凉北京网站建设,英文网站建设风格特点几台WEB服务器经常宕机#xff0c;平时运行得好好的#xff0c;负载也都在2以下#xff0c;偶尔会突然负高上去就宕机#xff0c;init 6也无法重启成功只能echo b/proc/sysrq-trigger 硬重启才行,dmesg 没发现硬件方面有问题。从top相关信息来看#xff0c;每次宕机现…几台WEB服务器经常宕机平时运行得好好的负载也都在2以下偶尔会突然负高上去就宕机init 6也无法重启成功只能echo b/proc/sysrq-trigger 硬重启才行,dmesg 没发现硬件方面有问题。从top相关信息来看每次宕机现象都是系统内核态占用非常高相关nginx,php-cgi进程虽然不僵死但无法kill每次宕机都会有kswaped0进程出现但是从free上来看内存还是有空闲swap用得也并不多top - 22:26:02 up 3 days, 8:06, 1 user, load average: 15.05, 15.12, 15.09Tasks: 518 total, 16 running, 502 sleeping, 0 stopped, 0 zombieCpu(s): 0.0%us, 87.6%sy, 0.0%ni, 12.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%stMem: 16426616k total, 15985652k used, 440964k free, 102232k buffersSwap: 16386292k total, 22552k used, 16363740k free, 8320464k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME COMMAND 553 root 20 -5 0 0 0 R 100.9 0.0 115:59.83 kswapd0 554 root 20 -5 0 0 0 R 100.9 0.0 115:55.12 kswapd1 3417 daemon 25 0 90164 48m 1052 R 100.6 0.3 142:19.56 nginx 3418 daemon 25 0 90840 48m 1048 R 100.6 0.3 143:54.26 nginx 3422 daemon 25 0 94196 52m 1052 R 100.6 0.3 144:34.68 nginx 3423 daemon 25 0 85680 43m 1048 R 100.4 0.3 141:31.40 nginx 3421 daemon 25 0 87720 45m 1056 R 100.1 0.3 143:13.23 nginx 3419 daemon 25 0 90148 48m 1044 R 99.6 0.3 144:06.64 nginx 16942 daemon 25 0 440m 55m 33m R 99.6 0.3 106:08.76 php-cgi 14476 daemon 25 0 432m 55m 33m R 97.3 0.3 102:58.61 php-cgi 8706 daemon 25 0 432m 60m 37m R 93.7 0.4 103:46.72 php-cgi 3416 daemon 25 0 88832 47m 1048 R 93.2 0.3 144:04.28 nginx 7672 daemon 25 0 439m 67m 37m R 82.4 0.4 104:21.30 php-cgi 8102 daemon 25 0 441m 62m 36m R 59.8 0.4 107:12.30 php-cgi 3420 daemon 25 0 89760 47m 1056 R 50.1 0.3 143:38.59 nginx 15963 root 16 0 13008 1428 820 R 22.6 0.0 0:04.34 top 3428 root 15 0 411m 4300 1172 S 2.1 0.0 2:33.80 php-cgi 15965 root 18 0 99.6m 1584 908 S 0.8 0.0 0:00.03 crond 3743 root 15 0 74812 1164 584 S 0.3 0.0 0:00.83 crond 15964 root 18 0 99.6m 1468 800 D 0.3 0.0 0:00.01 crondtop - 22:26:02 up 3 days, 8:06, 1 user, load average: 15.05, 15.12, 15.09Tasks: 518 total, 16 running, 502 sleeping, 0 stopped, 0 zombieCpu(s): 0.0%us, 87.6%sy, 0.0%ni, 12.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%stMem: 16426616k total, 15985652k used, 440964k free, 102232k buffersSwap: 16386292k total, 22552k used, 16363740k free, 8320464k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME COMMAND 553 root 20 -5 0 0 0 R 100.9 0.0 115:59.83 kswapd0 554 root 20 -5 0 0 0 R 100.9 0.0 115:55.12 kswapd1 3417 daemon 25 0 90164 48m 1052 R 100.6 0.3 142:19.56 nginx 3418 daemon 25 0 90840 48m 1048 R 100.6 0.3 143:54.26 nginx 3422 daemon 25 0 94196 52m 1052 R 100.6 0.3 144:34.68 nginx 3423 daemon 25 0 85680 43m 1048 R 100.4 0.3 141:31.40 nginx 3421 daemon 25 0 87720 45m 1056 R 100.1 0.3 143:13.23 nginx 3419 daemon 25 0 90148 48m 1044 R 99.6 0.3 144:06.64 nginx 16942 daemon 25 0 440m 55m 33m R 99.6 0.3 106:08.76 php-cgi 14476 daemon 25 0 432m 55m 33m R 97.3 0.3 102:58.61 php-cgi 8706 daemon 25 0 432m 60m 37m R 93.7 0.4 103:46.72 php-cgi 3416 daemon 25 0 88832 47m 1048 R 93.2 0.3 144:04.28 nginx 7672 daemon 25 0 439m 67m 37m R 82.4 0.4 104:21.30 php-cgi 8102 daemon 25 0 441m 62m 36m R 59.8 0.4 107:12.30 php-cgi 3420 daemon 25 0 89760 47m 1056 R 50.1 0.3 143:38.59 nginx 15963 root 16 0 13008 1428 820 R 22.6 0.0 0:04.34 top 3428 root 15 0 411m 4300 1172 S 2.1 0.0 2:33.80 php-cgi 15965 root 18 0 99.6m 1584 908 S 0.8 0.0 0:00.03 crond 3743 root 15 0 74812 1164 584 S 0.3 0.0 0:00.83 crond 15964 root 18 0 99.6m 1468 800 D 0.3 0.0 0:00.01 crondfree信息: total used free shared buffers cachedMem: 16426616 16245028 181588 0 159248 12046536-/ buffers/cache: 4039244 12387372Swap: 16386292 28980 16357312sar -r03:20:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbswpfree kbswpused %swpused kbswpcad09:30:02 PM 268628 16157988 98.36 149268 11969424 16357312 28980 0.18 264409:40:02 PM 256492 16170124 98.44 150628 11980476 16357312 28980 0.18 264409:50:02 PM 244752 16181864 98.51 152092 11991476 16357312 28980 0.18 264410:00:02 PM 233296 16193320 98.58 153516 12002516 16357312 28980 0.18 264410:10:02 PM 219404 16207212 98.66 155032 12013568 16357312 28980 0.18 264410:20:02 PM 204912 16221704 98.75 156452 12024544 16357312 28980 0.18 264410:30:02 PM 193128 16233488 98.82 158008 12037200 16357312 28980 0.18 2644Average: 588844 15837772 96.42 216781 11964159 16358029 28263 0.17 1420sar -u03:20:01 PM CPU %user %nice %system %iowait %steal %idle03:30:01 PM all 8.37 0.00 0.86 0.23 0.00 90.5403:40:01 PM all 8.11 0.00 0.79 0.17 0.00 90.9303:50:01 PM all 7.22 0.00 0.81 0.23 0.00 91.7404:00:01 PM all 7.60 0.00 0.84 0.16 0.00 91.4104:10:01 PM all 7.38 0.00 0.82 0.26 0.00 91.5304:20:01 PM all 7.12 0.00 0.81 0.27 0.00 91.8004:30:01 PM all 7.10 0.00 0.84 0.42 0.00 91.6404:40:01 PM all 7.38 0.00 0.83 0.23 0.00 91.5504:50:01 PM all 7.20 0.00 0.82 0.17 0.00 91.8005:00:01 PM all 7.54 0.00 0.83 0.19 0.00 91.4405:10:01 PM all 6.72 0.00 0.76 0.24 0.00 92.2805:20:01 PM all 6.98 0.00 0.79 0.13 0.00 92.0905:30:02 PM all 7.18 0.00 0.80 0.16 0.00 91.8705:40:01 PM all 7.07 0.00 0.77 0.15 0.00 92.0105:50:01 PM all 7.75 0.00 0.88 0.17 0.00 91.2006:00:01 PM all 7.46 0.00 0.85 0.25 0.00 91.4306:10:01 PM all 7.58 0.00 0.88 0.19 0.00 91.3406:20:01 PM all 7.81 0.00 0.88 0.28 0.00 91.0306:30:01 PM all 7.90 0.00 0.87 0.22 0.00 91.0006:40:01 PM all 7.20 0.00 0.86 0.22 0.00 91.7206:50:01 PM all 7.34 0.00 0.90 0.25 0.00 91.5107:00:01 PM all 7.94 0.00 0.96 0.23 0.00 90.8707:10:01 PM all 8.14 0.00 0.97 0.29 0.00 90.5907:20:01 PM all 8.23 0.00 0.97 0.41 0.00 90.3907:30:01 PM all 8.12 0.00 0.97 0.30 0.00 90.6107:40:01 PM all 7.77 0.00 0.90 0.30 0.00 91.0307:50:01 PM all 7.97 0.00 0.92 0.17 0.00 90.9408:00:01 PM all 8.44 0.00 1.03 0.43 0.00 90.1008:10:01 PM all 7.90 0.00 0.95 0.51 0.00 90.6408:20:01 PM all 8.31 0.00 1.03 0.18 0.00 90.4808:30:01 PM all 8.19 0.00 0.98 0.29 0.00 90.5408:40:01 PM all 8.88 0.00 1.06 0.27 0.00 89.7908:50:01 PM all 11.45 0.00 1.39 0.35 0.00 86.8109:00:01 PM all 11.67 0.00 1.44 0.48 0.00 86.4109:10:02 PM all 0.92 0.00 91.23 0.49 0.00 7.3609:20:02 PM all 0.01 0.00 99.88 0.00 0.00 0.1109:30:02 PM all 0.01 0.00 99.42 0.00 0.00 0.5709:40:02 PM all 0.01 0.00 98.05 0.00 0.00 1.9409:50:02 PM all 0.01 0.00 99.31 0.00 0.00 0.6810:00:02 PM all 0.01 0.00 99.83 0.00 0.00 0.1510:10:02 PM all 0.01 0.00 99.05 0.00 0.00 0.9410:20:02 PM all 0.01 0.00 99.69 0.00 0.00 0.3010:30:02 PM all 0.01 0.00 99.75 0.00 0.00 0.24Average: all 4.86 0.00 7.11 0.16 0.00 87.87系统、nginx、php-fpm相关信息系统:cat /etc/issueCentOS release 5.5 (Final)Kernel \r on an \mnginx:/usr/local/nginx/sbin/nginx -Vnginx version: nginx/0.8.53built by gcc 4.1.2 20080704 (Red Hat 4.1.2-50)TLS SNI support disabledconfigure arguments: --user --group --prefix/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-http_sub_module --with-md5/usr/lib --with-sha1/usr/lib --with-http_gzip_static_modulephp -vPHP 5.2.17p1 with Suhosin-Patch 0.9.7 (cli) (built: Jan 7 2012 15:14:25) Copyright (c) 1997-2009 The PHP GroupZend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies with eAccelerator v0.9.6.1, Copyright (c) 2004-2010 eAccelerator, by eAccelerator转载于:https://www.cnblogs.com/L-H-R-X-hehe/p/4084387.html
