nginx + gridfs + mongodb 大事记(残)
最近疯传一则 《MongoDB GridFS 数据读取效率 benchmark》的帖子，最初是在greader上看到的，当作一说，收藏之，也没太在意。咱老大却是很给力.."这个我们可以做".额..好吧。对照着greader上的那则，google之，我勒个去，铺天盖地的转载、盗载...，就是没看到该是个什么样的配置法。得，自己动手 丰衣足食。
先去这个地方http://github.com/mdirolf/nginx-gridfs看了下，n久没更新的patch，前段日子刚做完更新，而且还是针对 Mongo 的gridfs更新的(难道原始出处就是这丫折腾出来搭？)看在说明还很详尽的份上，用了！
（广告一则：不怎么用git，直接用的页面上给的download,下来发现mongo的drive包是空的，丫竟然另开了一个project，所以那个驱动得单下，记得要解包在drive目录下）
既然module是新的，那就用个新的nginx吧（0.8.52）,还支持uwsgi，当然是后话了。
用的pymongo，似乎最近也更新了版本。不管了，总算是把图片折腾进去了，具体做法这儿http://api.mongodb.org/python/1.9%2B/api/index.html可查。
g.put(open('/tmp/image/pe-logo-big.png','rb').read(),filename='hh.png')
nginx配置么：
location /image/ { gridfs static_file root_collection=images field=filename type=string; mongo 127.0.0.1:27017; }
浏览器试运行，不错，可以看到图，OK,下面按照帖子中的测试方式：
ab -n 50000 -c 10 http://192.168.2.131/image/hh.png
结果...
Server Software: nginx/0.8.52Server Hostname: 192.168.2.131Server Port: 80Document Path: /image/hh.pngDocument Length: 25338 bytesConcurrency Level: 10Time taken for tests: 628.173000 secondsComplete requests: 50000Failed requests: 0Write errors: 0Total transferred: 1274150000 bytesHTML transferred: 1266900000 bytesRequests per second: 79.60 [#/sec] (mean)Time per request: 125.635 (mean)Time per request: 12.563 (mean, across all concurrent requests)Transfer rate: 1980.80 receivedConnection Times (ms) minmean[+/-sd] median maxConnect: 0 1197.8 2 3055Processing: 3114 298.9 62 4001Waiting: 0 79 242.9 30 3144Total: 6125 314.6 69 4004Percentage of the requests served within a certain time (ms)50% 6966% 11075% 12980% 15290% 23295% 28898% 37099% 3016 100% 4004 (longest request)
额，这个就有点杯具了，与帖子上的结果也差太多了吧。好吧，按照鲜花总要有绿叶衬托，
再试一下所谓的nginx直接读文件：
Server Software: nginx/0.8.52Server Hostname: 192.168.2.131Server Port: 80Document Path: /pe-logo-big.pngDocument Length: 25338 bytesConcurrency Level: 10Time taken for tests: 934.880000 secondsComplete requests: 50000Failed requests: 0Write errors: 0Total transferred: 1281150000 bytesHTML transferred: 1266900000 bytesRequests per second: 53.48 [#/sec] (mean)Time per request: 186.976 (mean)Time per request: 18.698 (mean, across all concurrent requests)Transfer rate: 1338.27 receivedConnection Times (ms) minmean[+/-sd] median maxConnect: 0 18 165.1 3 3123Processing: 3168 500.1 69 10197Waiting: 0 77 362.7 14 6119Total: 5186 525.6 74 10200Percentage of the requests served within a certain time (ms)50% 7466% 11175% 13080% 15990% 26395% 29698% 303599% 3097 100%10200 (longest request)
好吧在绿叶的衬托下，鲜花是有那么点吸引人之处了（虽然和那篇神帖结果截然相反了）。
不过也有可能在nginx时没有做缓存的缘故。
之所以在标题上加了个“残”，很显然，革命尚未成功啊。。后文待我喘过气再表！
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