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如何使用Spark分析网站日志，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。
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郁闷从昨天开始个人网站不断的发出告警504错误，登录机器看了一下是php-fpm报错，这个错误重启php-fpm后，几个小时就告警，快一年了都没什么问题，奇怪
[28-Sep-2016 11:53:19] NOTICE: ready to handle connections
[28-Sep-2016 11:53:19] NOTICE: systemd monitor interval set to 10000ms
[28-Sep-2016 11:53:26] WARNING: [pool www] server reached pm.max_children setting (5), consider raising it
[28-Sep-2016 13:46:35] WARNING: [pool www] server reached pm.max_children setting (5), consider raising it
[28-Sep-2016 13:49:32] WARNING: [pool www] server reached pm.max_children setting (5), consider raising it
以为是这个值设置的太小了，所以修改了配置修改大了值
[28-Sep-2016 15:51:43] NOTICE: fpm is running, pid 28179
[28-Sep-2016 15:51:43] NOTICE: ready to handle connections
[28-Sep-2016 15:51:43] NOTICE: systemd monitor interval set to 10000ms
[28-Sep-2016 15:52:12] WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 8 children, there are 0 idle, and 7 total children
[28-Sep-2016 16:15:58] WARNING: [pool www] server reached pm.max_children setting (20), consider raising it
[28-Sep-2016 16:52:32] WARNING: [pool www] server reached pm.max_children setting (20), consider raising it
[28-Sep-2016 16:53:05] WARNING: [pool www] server reached pm.max_children setting (20), consider raising it
[28-Sep-2016 16:55:17] WARNING: [pool www] server reached pm.max_children setting (20), consider raising it
结果后来还是一样，几个小时之后再次504告警，再看nginx的日志，发现一些奇怪的ip访问量非常大。。。有怀疑是有恶意ip的访问，看来有必要查查访问日志中的ip访问量
root@iZ28bhfjhgkZ:/var/log/nginx# vim access.log
121.42.53.180 - - [25/Sep/2016:06:26:29 +0800] "POST /wp-cron.php?doing_wp_cron=1474755989.0131719112396240234375 HTTP/1.0" 499 0 "-" "WordPress/4.3.1; http://zhwen.org"
182.92.148.207 - - [25/Sep/2016:06:26:29 +0800] "GET / HTTP/1.1" 200 41253 "-" "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)"
203.208.60.226 - - [25/Sep/2016:06:28:55 +0800] "GET /?p=675 HTTP/1.1" 200 8204 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
203.208.60.226 - - [25/Sep/2016:06:28:57 +0800] "GET /wp-content/themes/sparkling/inc/css/font-awesome.min.css?ver=4.3.1 HTTP/1.1" 200 26711 "http://zhwen.org/?p=675" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
203.208.60.226 - - [25/Sep/2016:06:28:57 +0800] "GET /wp-content/plugins/wp-pagenavi/pagenavi-css.css?ver=2.70 HTTP/1.1" 200 374 "http://zhwen.org/?p=675" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
203.208.60.226 - - [25/Sep/2016:06:28:58 +0800] "GET /wp-content/plugins/yet-another-related-posts-plugin/style/widget.css?ver=4.3.1 HTTP/1.1" 200 771 "http://zhwen.org/?p=675" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
121.43.107.174 - - [25/Sep/2016:06:29:18 +0800] "GET / HTTP/1.1" 200 41253 "-" "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)"
115.28.189.208 - - [25/Sep/2016:06:29:33 +0800] "GET / HTTP/1.1" 200 41253 "-" "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)"
42.156.139.59 - - [25/Sep/2016:06:30:58 +0800] "GET /?paged=14 HTTP/1.1" 200 11164 "-" "YisouSpider"
182.92.148.207 - - [25/Sep/2016:06:31:29 +0800] "GET / HTTP/1.1" 200 41253 "-" "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)"
61.135.169.81 - - [25/Sep/2016:06:34:14 +0800] "GET /?p=articles/cscope-tags HTTP/1.1" 200 10681 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12) AppleWebKit/602.1.50 (KHTML, like Gecko)"
61.135.169.81 - - [25/Sep/2016:06:34:14 +0800] "GET /apple-touch-icon-precomposed.png HTTP/1.1" 404 151 "-" "Safari/12602.1.50.0.10 CFNetwork/807.0.4 Darwin/16.0.0 (x86_64)"
所以对访问日志的ip做了一个简单统计：
1）先把ip取出来（为了减少数据量，其实也可以直接压缩后下载到本地），再下载到本地
root@iZ28bhfjhgkZ:/var/log/nginx# cat access.log|awk ‘{print $1}’ > tt
在sparkshell中执行下面的代码：
val line = sc.textFile("/data1/data/t1")
line.flatMap(_.split(" ")).map((_,1)).reduceByKey(_+_)
.map(e => (e._2, e._1)).reduceByKey(_+","+_)
.sortByKey(true,1).saveAsTextFile("/data1/data/t3")
2）最后的结果t3的内容如下，发现这几个ip的访问量非常大，尤其
191.96.249.53
。。。。。
(855,182.92.148.207)
(3100,121.8.136.75)
(3889,61.135.169.81)
(53513,191.96.249.53)
3）再搞一个iptables限制，搞定。spark做这种统计分析还是非常简单的，就是一行代码搞定分析。
root@iZ28bhfjhgkZ:/var/log# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
root@iZ28bhfjhgkZ:/var/log# iptables -A INPUT -s 191.96.249.53 -j DROP
root@iZ28bhfjhgkZ:/var/log# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
DROP all -- DEDICATED.SERVER anywhere
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
root@iZ28bhfjhgkZ:/var/log# 看完上述内容，你们掌握如何使用Spark分析网站日志的方法了吗？如果还想学到更多技能或想了解更多相关内容，欢迎关注创新互联行业资讯频道，感谢各位的阅读！