我有一个与nginx，fastcgi部署的opencart应用程序。 我使用RDS作为Mysql服务器。
最近，我一直在我的日志中有这个错误，我运行负载testing围攻400并发用户。我得到这个错误
FastCGI sent in stderr: "PHP message: PHP Warning: mysqli::mysqli
同时使用apache作为服务器运行相同的负载testing。testing产生积极的结果
这些是用nginx围攻的结果
Transactions: 3246 hits Availability: 77.80 % Elapsed time: 146.43 secs Data transferred: 35.27 MB Response time: 6.86 secs Transaction rate: 22.17 trans/sec Throughput: 0.24 MB/sec Concurrency: 152.01 Successful transactions: 1049 Failed transactions: 926 Longest transaction: 36.83 Shortest transaction: 0.65
并与Apache
Transactions: 7921 hits Availability: 99.01 % Elapsed time: 462.60 secs Data transferred: 218.75 MB Response time: 9.94 secs Transaction rate: 17.12 trans/sec Throughput: 0.47 MB/sec Concurrency: 170.12 Successful transactions: 4925 Failed transactions: 79 Longest transaction: 114.25 Shortest transaction: 0.59
这些是nginx和fpm conf：
user www-data; worker_processes 1; pid /run/nginx.pid; events { worker_connections 1024; # multi_accept on; } http { ## # Basic Settings ## sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 65; types_hash_max_size 2048; # server_tokens off; # server_names_hash_bucket_size 64; # server_name_in_redirect off; include /etc/nginx/mime.types; default_type application/octet-stream; ## # Logging Settings ## access_log /var/log/nginx/access.log; error_log /var/log/nginx/error.log; ## # Gzip Settings ## # Compression # Enable Gzip compressed. gzip on; # Enable compression both for HTTP/1.0 and HTTP/1.1. #gzip_http_version 1.1; # Compression level (1-9). # 5 is a perfect compromise between size and cpu usage, offering about # 75% reduction for most ascii files (almost identical to level 9). gzip_comp_level 4; # Don't compress anything that's already small and unlikely to shrink much # if at all (the default is 20 bytes, which is bad as that usually leads to # larger files after gzipping). gzip_min_length 256; # Compress data even for clients that are connecting to us via proxies, # identified by the "Via" header (required for CloudFront). gzip_proxied any; # Tell proxies to cache both the gzipped and regular version of a resource # whenever the client's Accept-Encoding capabilities header varies; # Avoids the issue where a non-gzip capable client (which is extremely rare # today) would display gibberish if their proxy gave them the gzipped version. gzip_vary on; # Compress all output labeled with one of the following MIME-types. gzip_types application/atom+xml application/javascript application/x-javascript application/json application/rss+xml application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/svg+xml image/x-icon text/css text/plain text/x-component text/xml text/javascript text/x-javascript # text/html is always compressed by HttpGzipModule ## # nginx-naxsi config ## # Uncomment it if you installed nginx-naxsi ## #include /etc/nginx/naxsi_core.rules; ## # nginx-passenger config ## # Uncomment it if you installed nginx-passenger ## #passenger_root /usr; #passenger_ruby /usr/bin/ruby; ## # Virtual Host Configs ## include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; }