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Linux下php-cgi占内存100%的解决方法

更新时间:2026-08-19 10:23:42 | 编辑:蓝玉 | 信息来源:互联网

  Linux系统在使用的时候,电脑变的很卡,发现是php-cgi进程在占用cpu,占用率既然达到了100%,究竟是什么原因导致这种情况的呢?下面小编就给大家介绍下Linux系统php-cgi占用cpu百分百的解决方法

  网站日志目录/home/hosts_log

  日志文件有对应的网站id

  php-cgi日志目录 /usr/local/php_fcgi/logs

  php-fpm.log

  slow.log

  查看日志文件基本上就可以解决问题了,网站被入侵上传了一个php ddos文件,当然如果不是此问题可以如下查看是不是程序问题有时使用file_get_contents函数也可能导致cpu 100%。

  在php.ini 中,有一个参数 max_execution_time 可以设置PHP 脚本的最大执行时间,但是,在 php-cgi(php-fpm)中,该参数不会起效。真正能够控制PHP 脚本最大执行时间的是php-fpm.conf 配置文件中的以下参数:

  The timeout (in seconds) for serving a single request after which the worker process will be terminated

  Should be used when ‘max_execution_time’ ini option does not stop script execution for some reason

  ‘0s’ means ‘off’

  《value name=“request_terminate_timeout”》0s《/value》

  默认值为0秒,也就是说,PHP 脚本会一直执行下去。这样,当所有的php-cgi 进程都卡在file_get_contents()函数时,这台Nginx+PHP 的WebServer已经无法再处理新的PHP 请求了,Nginx 将给用户返回“502 Bad Gateway”。修改该参数,设置一个PHP 脚本最大执行时间是必要的,但是,治标不治本。例如改成《value name=“request_terminate_timeout”》30s《/value》,如果发生file_get_contents()获取网页内容较慢的情况,这就意味着150 个php-cgi 进程,每秒钟只能处理 5 个请求,WebServer同样很难避免“502 Bad Gateway”。

  要做到彻底解决,只能改掉直接使用file_get_contents的习惯,而是稍微修改一下,加个超时时间,用以下方式来实现 HTTP GET 请求。要是觉得麻烦,可以自行将以下代码封装成一个函数。

  《?php

  $ctx = stream_context_create(array(

  ‘http’ =》 array(

  ‘timeout’ =》 1 //设置一个超时时间,单位为秒

  )

  )

  );

  file_get_contents(“https://www.111cn.net/”, 0, $ctx);

  ?》

  当然如果像dedecms生成html页面时cpu也会100%的情况。

  Linux下php-cgi进程占用cpu百分百的解决方法就介绍到这里了,还有一种可能是中毒导致的,这就需要杀毒处理了。


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1.4561
基本信息
SQL
$_GET
$_POST
$_COOKIE
包含文件
自动加载
  1. 模型: /www/wwwroot/www.pjwan.com/lecms/model/
  2. 视图: /www/wwwroot/www.pjwan.com/view/ww7/xt_show.htm
  3. 控制器: /www/wwwroot/www.pjwan.com/lecms/control/show_control.class.php
  4. 日志目录: /www/wwwroot/www.pjwan.com/log/
  5. 当前页面: /www/wwwroot/www.pjwan.com/index.php
  6. 当前时间: 2026-08-19 10:23:40
  7. 当前网协: 216.73.216.186
  8. 请求路径: /anzhuang/32158.html
  9. 运行时间: 1.4561
  10. 内存开销: 1.31 MB
  1. #0 [time:0.0003s] SELECT * FROM le_runtime WHERE k='cfg' LIMIT 1
  2. #1 [time:0.0003s] SELECT * FROM le_runtime WHERE k='cate_68' LIMIT 1
  3. #2 [time:0.0004s] SELECT * FROM le_cms_article WHERE id=32158 LIMIT 1
  4. #3 [time:0.0004s] SELECT * FROM le_user WHERE uid=2 LIMIT 1
  5. #4 [time:0.0003s] SELECT * FROM le_cms_article_data WHERE id=32158 LIMIT 1
  6. #5 [time:0.0003s] SELECT * FROM le_cms_article_views WHERE id=32158 LIMIT 1
  7. #6 [time:0.0004s] UPDATE LOW_PRIORITY le_cms_article_views SET views=views+1 WHERE id=32158 LIMIT 1
  8. #7 [time:0.0003s] SELECT id FROM le_cms_article WHERE id<32158 ORDER BY id DESC LIMIT 0,1
  9. #8 [time:0.0003s] SELECT * FROM le_cms_article WHERE id=32157
  10. #9 [time:0.0003s] SELECT id FROM le_cms_article WHERE id>32158 ORDER BY id ASC LIMIT 0,1
  11. #10 [time:0.0368s] SELECT * FROM le_cms_article WHERE id=32159
  12. #11 [time:0.0004s] SELECT * FROM le_kv WHERE k='navigate' LIMIT 1
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  14. #13 [time:0.0005s] SELECT * FROM le_cms_article_tag_data WHERE tagid=973 AND id=103441 OR tagid=973 AND id=103329 OR tagid=973 AND id=103274 OR tagid=973 AND id=103160 OR tagid=973 AND id=103106 OR tagid=973 AND id=103105 OR tagid=973 AND id=103090 OR tagid=973 AND id=102988 OR tagid=973 AND id=102905 OR tagid=973 AND id=102623 OR tagid=973 AND id=102586
  15. #14 [time:0.0007s] SELECT * FROM le_cms_article WHERE id=103441 OR id=103329 OR id=103274 OR id=103160 OR id=103106 OR id=103105 OR id=103090 OR id=102988 OR id=102905 OR id=102623
  16. #15 [time:0.0003s] SELECT cid FROM le_category ORDER BY orderby ASC ,cid ASC
  17. #16 [time:0.0016s] SELECT * FROM le_category WHERE cid=1 OR cid=2 OR cid=3 OR cid=4 OR cid=5 OR cid=6 OR cid=7 OR cid=8 OR cid=9 OR cid=10 OR cid=11 OR cid=12 OR cid=13 OR cid=14 OR cid=15 OR cid=16 OR cid=17 OR cid=18 OR cid=19 OR cid=20 OR cid=21 OR cid=22 OR cid=23 OR cid=24 OR cid=25 OR cid=26 OR cid=27 OR cid=28 OR cid=29 OR cid=30 OR cid=31 OR cid=32 OR cid=33 OR cid=34 OR cid=35 OR cid=36 OR cid=37 OR cid=38 OR cid=39 OR cid=40 OR cid=41 OR cid=42 OR cid=43 OR cid=44 OR cid=45 OR cid=46 OR cid=47 OR cid=48 OR cid=49 OR cid=50 OR cid=51 OR cid=52 OR cid=53 OR cid=54 OR cid=55 OR cid=56 OR cid=57 OR cid=58 OR cid=59 OR cid=60 OR cid=61 OR cid=62 OR cid=63 OR cid=64 OR cid=65 OR cid=66 OR cid=67 OR cid=68 OR cid=69 OR cid=70 OR cid=71 OR cid=72 OR cid=73 OR cid=74 OR cid=75 OR cid=76 OR cid=77 OR cid=78 OR cid=79 OR cid=80 OR cid=81 OR cid=82 OR cid=83 OR cid=84 OR cid=85 OR cid=86 OR cid=87 OR cid=88 OR cid=89 OR cid=90 OR cid=91 OR cid=92 OR cid=93 OR cid=94 OR cid=95 OR cid=96 OR cid=97 OR cid=98 OR cid=99 OR cid=100 OR cid=101 OR cid=102 OR cid=103 OR cid=104 OR cid=105 OR cid=106 OR cid=107 OR cid=108 OR cid=109 OR cid=110 OR cid=111 OR cid=112 OR cid=113 OR cid=114 OR cid=115 OR cid=116 OR cid=117 OR cid=118 OR cid=119 OR cid=120 OR cid=121 OR cid=122 OR cid=123 OR cid=124 OR cid=125 OR cid=126 OR cid=127 OR cid=128
  18. #17 [time:0.0003s] SELECT id FROM le_cms_article_views WHERE cid=68 ORDER BY views DESC LIMIT 0,10
  19. #18 [time:0.0003s] SELECT * FROM le_cms_article_views WHERE id=5640 OR id=79663 OR id=79660 OR id=77944 OR id=77952 OR id=79023 OR id=79665 OR id=79666 OR id=79648 OR id=78937
  20. #19 [time:0.0005s] SELECT * FROM le_cms_article WHERE id=5640 OR id=79663 OR id=79660 OR id=77944 OR id=77952 OR id=79023 OR id=79665 OR id=79666 OR id=79648 OR id=78937
  21. #20 [time:0.0002s] SELECT * FROM le_runtime WHERE k='cate_85' LIMIT 1
  22. #21 [time:0.0004s] SELECT id FROM le_cms_win WHERE (cid=86 OR cid=87 OR cid=88 OR cid=89 OR cid=90 OR cid=91 OR cid=92 OR cid=93 OR cid=94 OR cid=95 OR cid=96 OR cid=97 OR cid=98 OR cid=99 OR cid=100) ORDER BY id DESC LIMIT 0,10
  23. #22 [time:0.0005s] SELECT * FROM le_cms_win WHERE id=1027 OR id=1026 OR id=1025 OR id=1024 OR id=1023 OR id=1022 OR id=1021 OR id=1020 OR id=1019 OR id=1018
  24. #23 [time:0.0002s] SELECT * FROM le_runtime WHERE k='cate_64' LIMIT 1
  25. #24 [time:0.0004s] SELECT id FROM le_cms_article WHERE (cid=65 OR cid=66 OR cid=67 OR cid=68 OR cid=125 OR cid=126 OR cid=127 OR cid=128) ORDER BY id DESC LIMIT 0,10
  26. #25 [time:0.0005s] SELECT * FROM le_cms_article WHERE id=103563 OR id=103562 OR id=103561 OR id=103560 OR id=103559 OR id=103558 OR id=103557 OR id=103556 OR id=103555 OR id=103554
  1. #control => show
  2. #action => index
  3. #cid => 68
  4. #id => 32158
  5. #mid => 2
    1. #cdn_sec_tc => 0819529717871061203252225efa5d5d0a45f122b059f96442afed791e
    2. #PHPSESSID => l616kvii12024lltm27p3r9q3v
    3. #acw_tc => 0819529717871061203252225efa5d5d0a45f122b059f96442afed791e
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    3. #2 /www/wwwroot/www.pjwan.com/lecms/config/config.inc.php
    4. #3 /www/wwwroot/www.pjwan.com/lecms/xiunophp/lib/base.func.php
    5. #4 /www/wwwroot/www.pjwan.com/lecms/xiunophp/lib/core.class.php
    6. #5 /www/wwwroot/www.pjwan.com/lecms/xiunophp/lib/debug.class.php
    7. #6 /www/wwwroot/www.pjwan.com/lecms/xiunophp/lib/log.class.php
    8. #7 /www/wwwroot/www.pjwan.com/lecms/xiunophp/lib/model.class.php
    9. #8 /www/wwwroot/www.pjwan.com/lecms/xiunophp/lib/view.class.php
    10. #9 /www/wwwroot/www.pjwan.com/lecms/xiunophp/lib/control.class.php
    11. #10 /www/wwwroot/www.pjwan.com/lecms/xiunophp/db/db.interface.php
    12. #11 /www/wwwroot/www.pjwan.com/lecms/xiunophp/db/db_pdo_mysql.class.php
    13. #12 /www/wwwroot/www.pjwan.com/lecms/xiunophp/cache/cache.interface.php
    14. #13 /www/wwwroot/www.pjwan.com/lecms/xiunophp/cache/cache_memcache.class.php
    15. #14 /www/wwwroot/www.pjwan.com/lecms/xiunophp/ext/network/Network__interface.php
    16. #15 /www/wwwroot/www.pjwan.com/lecms/config/plugin.inc.php
    17. #16 /www/wwwroot/www.pjwan.com/lecms/plugin/editor_sd/conf.php
    18. #17 /www/wwwroot/www.pjwan.com/lecms/plugin/editor_tinymce/conf.php
    19. #18 /www/wwwroot/www.pjwan.com/lecms/plugin/editor_um/conf.php
    20. #19 /www/wwwroot/www.pjwan.com/lecms/plugin/le_adminer/conf.php
    21. #20 /www/wwwroot/www.pjwan.com/lecms/plugin/le_baidu_zz/conf.php
    22. #21 /www/wwwroot/www.pjwan.com/lecms/plugin/le_category_filter/conf.php
    23. #22 /www/wwwroot/www.pjwan.com/lecms/plugin/le_content_tag_url/conf.php
    24. #23 /www/wwwroot/www.pjwan.com/lecms/plugin/le_data_table_split/conf.php
    25. #24 /www/wwwroot/www.pjwan.com/lecms/plugin/le_drafts/conf.php
    26. #25 /www/wwwroot/www.pjwan.com/lecms/plugin/le_feedback/conf.php
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    29. #28 /www/wwwroot/www.pjwan.com/lecms/plugin/le_links/conf.php
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    32. #31 /www/wwwroot/www.pjwan.com/lecms/plugin/le_rand_author/conf.php
    33. #32 /www/wwwroot/www.pjwan.com/lecms/plugin/le_rand_pic_cid/conf.php
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    36. #35 /www/wwwroot/www.pjwan.com/lecms/plugin/le_special_pro/conf.php
    37. #36 /www/wwwroot/www.pjwan.com/lecms/plugin/le_spider/conf.php
    38. #37 /www/wwwroot/www.pjwan.com/lecms/plugin/le_super_sitemap/conf.php
    39. #38 /www/wwwroot/www.pjwan.com/lecms/plugin/le_title_pic/conf.php
    40. #39 /www/wwwroot/www.pjwan.com/lecms/plugin/le_use_del_id/conf.php
    41. #40 /www/wwwroot/www.pjwan.com/lecms/plugin/le_webp_oss/conf.php
    42. #41 /www/wwwroot/www.pjwan.com/lecms/plugin/le_website_group/conf.php
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    44. #43 /www/wwwroot/www.pjwan.com/lecms/plugin/lu_huochetou/conf.php
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    47. #46 /www/wwwroot/www.pjwan.com/lecms/plugin/sy_mobile/conf.php
    48. #47 /www/wwwroot/www.pjwan.com/runcache/misc.func.php
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