WEBVTT 00:02.980 --> 00:09.940 Let's take a closer look at the Etsy slash engine x slash engine x dot com file, which is engine X's 00:09.940 --> 00:11.680 main configuration file. 00:12.010 --> 00:14.410 The file rarely needs to be changed. 00:14.680 --> 00:20.080 The settings for Engine X are written in the file as simple directives on a single line or as blocks 00:20.080 --> 00:22.180 of directives on multiple lines. 00:22.540 --> 00:28.300 The blocks are made up of a directive, open brackets, more directives and a closing bracket. 00:28.900 --> 00:35.920 Here user w w w data specifies the user under which engine x should run. 00:36.220 --> 00:42.250 This is usually the user named w w w data in a debian based system. 00:42.760 --> 00:48.310 Worker underscore processes auto sets the number of worker processes to be spawned. 00:48.640 --> 00:54.550 The keyword auto means that engine X will automatically determine the number of worker processes to 00:54.550 --> 00:58.030 run based on the number of available CPU cores. 00:58.630 --> 01:05.920 PID slash run slash engine x PID sets the location of the engine X process ID file. 01:06.250 --> 01:12.400 The file is used to store the process idea of the engine x master process and can be used to send signals 01:12.400 --> 01:14.080 to the engine X process. 01:14.710 --> 01:22.240 Include slash tk slash engine x slash modules enabled slash dot com is an include directive that loads 01:22.240 --> 01:25.270 configuration files from the specified directory. 01:25.630 --> 01:34.120 The wildcard character means that all the configuration files with the conf extension in the slash tk 01:34.120 --> 01:39.400 slash engine x slash module's enabled slash directory will be included. 01:39.880 --> 01:46.600 This events code block provided is a configuration section in engine X's main configuration file usually 01:46.600 --> 01:51.480 located at slash TK slash engine x slash engine x conf. 01:52.090 --> 01:58.030 The events block specifies the settings that control how Engine X handles connection requests and manages 01:58.030 --> 01:59.320 worker processes. 01:59.740 --> 02:04.930 The worker underscore connection settings sets the maximum number of simultaneous connections that each 02:04.930 --> 02:06.640 worker process can handle. 02:06.910 --> 02:10.570 The default value is usually set to 512. 02:10.900 --> 02:14.980 In this case, the value is set to 768. 02:15.520 --> 02:21.400 The line hashtag multi underscore exception is commented out, meaning it won't have any effect. 02:21.760 --> 02:27.160 The multi underscore accept setting determines whether a worker process should handle multiple connections 02:27.160 --> 02:27.940 at once. 02:28.300 --> 02:34.800 If multi underscore accept is set on worker processes will accept new connections as quickly as possible. 02:34.810 --> 02:41.500 Improving performance is set to off worker processes will accept new connections one at a time. 02:42.070 --> 02:47.020 The HTTP code block of a configuration file for the Engine X web server. 02:47.380 --> 02:54.370 It sets various options for engine excess behavior such as file transfer, send file, TCP underscore. 02:54.370 --> 03:01.720 No push mime type handling types underscore hash underscore max underscore size include slash TK slash 03:01.720 --> 03:09.820 engine x slash mime types default underscore type SSL slash TLS handling SSL underscore protocols, 03:09.850 --> 03:16.870 SSL underscore prefer underscore server underscore ciphers, logging access underscore log error, underscore 03:16.900 --> 03:25.060 log GZIP compression g zip on and virtual host configurations include slash Etsy slash engine x, slash, 03:25.060 --> 03:32.020 conf, slash conf include slash, Etsy slash engine x slash sites enabled slash. 03:32.380 --> 03:37.600 Some options are commented out prefixed by hashtag and are not currently in effect. 03:38.140 --> 03:41.950 There are different ways of adding more configurations to engine x. 03:42.310 --> 03:48.580 One way is to put a file with the extension dot com from the conf directory and the other is to put 03:48.580 --> 03:51.250 configurations in the site's enabled directory. 03:51.580 --> 03:58.300 The site's enabled directory has a wildcard for all files, while the conf directory has a wildcard 03:58.300 --> 04:00.280 for files that end in dot com.