连续三天CPU100%，上传日志信息请求帮分析是什么原因？

下面是最新的日志截图，现在还是CPU100%
61.135.189.180 - - [19/Nov/2014:23:10:05 +0800] "GET /?s=%E6%88%91&paged=5 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:10:38 +0800] "GET /?s=%E6%9C%89%E5%A5%B3 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:11:12 +0800] "GET /?s=%E5%A7%91%E7%88%B6&feed=rss2 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:11:43 +0800] "GET /?s=%E6%88%91&paged=7 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
101.226.33.174 - - [19/Nov/2014:23:11:55 +0800] "GET /feed HTTP/1.0" 301 178 "-" "Mozilla/4.0 (compatible; Windows;)" -
61.135.189.180 - - [19/Nov/2014:23:12:16 +0800] "GET /?s=%E6%88%91&paged=4 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:12:48 +0800] "GET /?s=%E6%88%91&paged=14 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
65.19.138.33 - - [19/Nov/2014:23:12:57 +0800] "GET /feed HTTP/1.1" 301 178 "-" "Feedly/1.0 (+http://www.feedly.com/fetcher.html; like FeedFetcher-Google)" -
61.135.189.180 - - [19/Nov/2014:23:13:22 +0800] "GET /?s=%E6%88%91&paged=8 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:13:56 +0800] "GET /?s=%E8%87%AA%E6%85%B0&feed=rss2 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:14:27 +0800] "GET /?p=1094 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:14:58 +0800] "GET /?feed=rss2&p=279 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:15:30 +0800] "GET /?feed=rss2&p=453 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:15:59 +0800] "GET /?feed=rss2&p=513 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:16:28 +0800] "GET /?feed=rss2&p=327 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:16:57 +0800] "GET /?feed=rss2&p=589 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:17:25 +0800] "GET /?feed=rss2&p=307 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:17:54 +0800] "GET /?p=819 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
198.27.64.33 - - [19/Nov/2014:23:18:05 +0800] "GET /robots.txt HTTP/1.0" 301 178 "-" "Mozilla/5.0 (compatible; MJ12bot/v1.4.5; http://www.majestic12.co.uk/bot.php?+)" -
61.135.189.180 - - [19/Nov/2014:23:18:23 +0800] "GET /?feed=rss2&p=360 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
198.27.64.33 - - [19/Nov/2014:23:18:24 +0800] "GET /?p=101 HTTP/1.0" 301 178 "-" "Mozilla/5.0 (compatible; MJ12bot/v1.4.5; http://www.majestic12.co.uk/bot.php?+)" -
198.27.64.33 - - [19/Nov/2014:23:18:46 +0800] "GET /?p=105 HTTP/1.0" 301 178 "-" "Mozilla/5.0 (compatible; MJ12bot/v1.4.5; http://www.majestic12.co.uk/bot.php?+)" -
61.135.189.180 - - [19/Nov/2014:23:18:52 +0800] "GET /?feed=rss2&p=557 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
198.27.64.33 - - [19/Nov/2014:23:19:04 +0800] "GET /?p=109 HTTP/1.0" 301 178 "-" "Mozilla/5.0 (compatible; MJ12bot/v1.4.5; http://www.majestic12.co.uk/bot.php?+)" -
61.135.189.180 - - [19/Nov/2014:23:19:20 +0800] "GET /?feed=rss2&p=329 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
198.27.64.33 - - [19/Nov/2014:23:19:26 +0800] "GET /?p=11 HTTP/1.0" 301 178 "-" "Mozilla/5.0 (compatible; MJ12bot/v1.4.5; http://www.majestic12.co.uk/bot.php?+)" -
61.135.189.180 - - [19/Nov/2014:23:19:47 +0800] "GET /?feed=rss2&p=397 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:20:15 +0800] "GET /?feed=rss2&p=379 HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -
61.135.189.180 - - [19/Nov/2014:23:20:43 +0800] "GET /weimeiyijing/2011/0706/571_4.html HTTP/1.1" 301 178 "-" "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)" -