php-fpm.conf配置說明（重點要改動和最佳化的地方）

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 <?xml version="1.0" ?><configuration>All relative paths in this config are relative to php's install prefix<section name="global_options">Pid file<value name="pid_file">/usr/local/php/logs/php-fpm.pid</value>Error log file<value name="error_log">/usr/local/php/logs/php-fpm.log</value>Log level<value name="log_level">notice</value>When this amount of php processes exited with SIGSEGV or SIGBUS ...<value name="emergency_restart_threshold">10</value>... in a less than this interval of time, a graceful restart will be initiated.Useful to work around accidental curruptions in accelerator's shared memory.<value name="emergency_restart_interval">1m</value>Time limit on waiting child's reaction on signals from master<value name="process_control_timeout">5s</value>Set to 'no' to debug fpm<value name="daemonize">yes</value></section><workers><section name="pool">Name of pool. Used in logs and stats.<value name="name">default</value>Address to accept fastcgi requests on.Valid syntax is 'ip.ad.re.ss:port' or just 'port' or '/path/to/unix/socket'<value name="listen_address">127.0.0.1:9000</value> <!--預設ip和連接埠--><value name="listen_options">Set listen(2) backlog<value name="backlog">-1</value>Set permissions for unix socket, if one used.In Linux read/write permissions must be set in order to allow connections from web server.Many BSD-derrived systems allow connections regardless of permissions.<value name="owner"></value>  <!-與nginx同名username---><value name="group"></value>   <!-與nginx同名工作群組---><value name="mode">0666</value></value>Additional php.ini defines, specific to this pool of workers.<value name="php_defines"><!--<value name="sendmail_path">/usr/sbin/sendmail -t -i</value>--><!--<value name="display_errors">0</value> ##錯誤不顯示0。顯示為1--></value>Unix user of processes<!--<value name="user">nobody</value>-->Unix group of processes<!--<value name="group">nobody</value>-->Process manager settings<value name="pm">Sets style of controling worker process count.Valid values are 'static' and 'apache-like'<value name="style">static</value>Sets the limit on the number of simultaneous requests that will be served.Equivalent to Apache MaxClients directive.Equivalent to PHP_FCGI_CHILDREN environment in original php.fcgiUsed with any pm_style.<value name="max_children">5</value> <!--fastcgi 進程數預設5個，記憶體小於2g可設20個進程，大於4g可設200個進程，注意這不是唯一-->Settings group for 'apache-like' pm style<value name="apache_like">Sets the number of server processes created on startup.Used only when 'apache-like' pm_style is selected<value name="StartServers">20</value>Sets the desired minimum number of idle server processes.Used only when 'apache-like' pm_style is selected<value name="MinSpareServers">5</value>Sets the desired maximum number of idle server processes.Used only when 'apache-like' pm_style is selected<value name="MaxSpareServers">35</value></value></value>The timeout (in seconds) for serving a single request after which the worker process will be terminatedShould 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><!-- fastcgi指令碼 默覺得0秒說明無限進行-->The timeout (in seconds) for serving of single request after which a php backtrace will be dumped to slow.log file'0s' means 'off'<value name="request_slowlog_timeout">0s</value>The log file for slow requests<value name="slowlog">logs/slow.log</value>Set open file desc rlimit<value name="rlimit_files">1024</value>                        <!--開啟檔案描寫敘述符檔案數量限制，能夠與linux核心開啟檔案數關聯起來。如運行命令：ulimit -Hsn 65536 -->Set max core size rlimit<value name="rlimit_core">0</value>Chroot to this directory at the start, absolute path<value name="chroot"></value>Chdir to this directory at the start, absolute path<value name="chdir"></value>Redirect workers' stdout and stderr into main error log.If not set, they will be redirected to /dev/null, according to FastCGI specs<value name="catch_workers_output">yes</value>How much requests each process should execute before respawn.Useful to work around memory leaks in 3rd party libraries.For endless request processing please specify 0Equivalent to PHP_FCGI_MAX_REQUESTS<value name="max_requests">500</value><!--請求數為500時關閉-->Comma separated list of ipv4 addresses of FastCGI clients that allowed to connect.Equivalent to FCGI_WEB_SERVER_ADDRS environment in original php.fcgi (5.2.2+)Makes sense only with AF_INET listening socket.<value name="allowed_clients">127.0.0.1</value> <!--訪問fastcgi的ip,比方：nginx轉過來的php請求ip為192.168.1.101那麼此處必須改動為192.168.1.101-->                                     Pass environment variables like LD_LIBRARY_PATHAll $VARIABLEs are taken from current environment<value name="environment"><value name="HOSTNAME">$HOSTNAME</value><value name="PATH">/usr/local/bin:/usr/bin:/bin</value><value name="TMP">/tmp</value><value name="TMPDIR">/tmp</value><value name="TEMP">/tmp</value><value name="OSTYPE">$OSTYPE</value><value name="MACHTYPE">$MACHTYPE</value><value name="MALLOC_CHECK_">2</value></value></section></workers></configuration>

php-fpm.conf配置說明（重點要改動和最佳化的地方）