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However, the default connection timeout of Apache httpd 1.3 and 2.0 is as little as 15 seconds [6] [7] and just 5 seconds for Apache httpd 2.2 and above. [8] [9] The advantage of a short timeout is the ability to deliver multiple components of a web page quickly while not consuming resources to run multiple server processes or threads for too ...
Keepalive time is the duration between two keepalive transmissions in idle condition. TCP keepalive period is required to be configurable and by default is set to no less than 2 hours. Keepalive interval is the duration between two successive keepalive retransmissions, if acknowledgement to the previous keepalive transmission is not received.
The server either does not recognize the request method, or it lacks the ability to fulfil the request. Usually this implies future availability (e.g., a new feature of a web-service API). 502 Bad Gateway The server was acting as a gateway or proxy and received an invalid response from the upstream server. 503 Service Unavailable
Nginx is free and open-source software, released under the terms of the 2-clause BSD license. A large fraction of web servers use Nginx, [10] often as a load balancer. [11] A company of the same name was founded in 2011 to provide support and NGINX Plus paid software. [12] In March 2019, the company was acquired by F5 for $670 million. [13]
In HTTP/1.1 a keep-alive-mechanism was officially introduced so that a connection could be reused for more than one request/response. Such persistent connections reduce request latency perceptibly because the client does not need to re-negotiate the TCP 3-Way-Handshake connection after the first request has been sent.
Type 25 - Hash Timeout. Type 26 - Hash Request. Type 27 - Hash Response. Type 28 - Check Bandwidth. Type 29 - Set Audio Sample Access. Type 30 - Set Video Sample Access. Type 31 - Throttle Begin. Type 32 - Throttle End. Type 33 - DRM Notify. Type 34 - RTMFP Sync. Type 35 - Query IHello. Type 36 - Forward IHello. Type 37 - Redirect IHello. Type ...
CentOS Stream is a community enterprise Linux distribution that exists as a midstream between the upstream development in Fedora Linux and the downstream development for Red Hat Enterprise Linux. [3] CentOS Stream is being used by Meta Platforms (known for Facebook and WhatsApp ) [ 4 ] [ 5 ] and Twitter .
However, the overall download speed depends on the downstream speed of the user, the upstream speed of the server, and the network between them. In the client–server model, downstream can refer to the direction from the server to the client.