{"id":54747,"date":"2020-01-03T00:00:00","date_gmt":"2020-01-02T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/sravnenie-proizvoditelnosti-http-1-1-http-2-i-http-2-server-push"},"modified":"2020-02-18T14:02:48","modified_gmt":"2020-02-18T11:02:48","slug":"sravnenie-proizvoditelnosti-http-1-1-http-2-i-http-2-server-push","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/sravnenie-proizvoditelnosti-http-1-1-http-2-i-http-2-server-push","title":{"rendered":"Comparaci\u00f3n del rendimiento entre HTTP\/1.1, HTTP\/2 y HTTP\/2 + Server Push","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Publicado<\/a><\/noindex> resultados del estudio del rendimiento de varios m\u00e9todos de extracci\u00f3n de una colecci\u00f3n de recursos, utilizando para acceder al servidor los protocolos HTTP\/1.1, HTTP\/2 y HTTP\/2 + Server Push. En el estudio tambi\u00e9n se evalu\u00f3 el impacto en el rendimiento de la disponibilidad de datos solicitados en la cach\u00e9 del navegador y la manipulaci\u00f3n de recursos a nivel de l\u00f3gica de la aplicaci\u00f3n (consolidaci\u00f3n de recursos en un \u00fanico bloque JSON).<\/p>\n

Las pruebas de rendimiento de 25 solicitudes mostraron, en general, resultados predecibles: un notable retraso en la solicitud a trav\u00e9s de HTTP\/1.1 con cach\u00e9 vac\u00edo y un liderazgo en la entrega de recursos en un solo bloque (pruebas etiquetadas como \u00abcompound\u00bb). El rendimiento de Firefox y Chrome fue aproximadamente equivalente, pero la presencia de datos en cach\u00e9 no condujo al aumento de eficiencia esperado.<\/p>\n

\"Comparaci\u00f3n<\/a><\/noindex><\/center><\/p>\n

Sin embargo, en la prueba de procesamiento de 500 solicitudes, se observ\u00f3 un notable retraso de Chrome con respecto a Firefox al enviar un gran n\u00famero de solicitudes, y un retraso de Firefox con respecto a Chrome al aplicar el mecanismo Server Push y en la situaci\u00f3n de uso de HTTP\/2 cuando la mayor\u00eda de los datos estaba en la cach\u00e9 del navegador. Chrome demostr\u00f3 un rendimiento m\u00e1s eficiente con la cach\u00e9, mientras que Firefox fue m\u00e1s efectivo en el procesamiento de solicitudes externas.<\/p>\n

\"Comparaci\u00f3n<\/a><\/noindex><\/center><\/p>\n

\"Comparaci\u00f3n<\/a><\/noindex><\/center><\/p>\n

A ra\u00edz de las pruebas, se concluy\u00f3 que HTTP\/2 permite procesar de manera bastante eficiente solicitudes separadas de una gran colecci\u00f3n de recursos. Las diferencias en el rendimiento entre los esquemas simples de entrega de recursos separados y los m\u00e9todos en los que los recursos se agregan en un solo bloque no son tan significativas como para justificar una complejidad considerable en la l\u00f3gica de procesamiento del lado de la aplicaci\u00f3n y servidores<\/a>. La agregaci\u00f3n solo tiene sentido en situaciones donde el rendimiento tiene la m\u00e1xima prioridad. Cuando lo m\u00e1s importante es simplificar la l\u00f3gica y tener una API sencilla, tiene sentido utilizar el procesamiento separado de los recursos.<\/p>\n

Otro hallazgo es que la cach\u00e9 del navegador al usar HTTP\/2 no tiene un impacto significativo en el rendimiento del procesamiento de solicitudes (la ejecuci\u00f3n completa de una solicitud 501 result\u00f3 ser m\u00e1s lenta que la ejecuci\u00f3n de 51 solicitudes a un 90% de llenado de la cach\u00e9 en un factor de 1.2 en Firefox y 2.3 en Chrome). El uso de Server Push no mostr\u00f3 beneficios significativos en Firefox, pero fue efectivo al cargar un gran n\u00famero de recursos en Chrome. Los autores del estudio tambi\u00e9n se\u00f1alaron que la optimizaci\u00f3n del lado del servidor tiene un impacto m\u00e1s considerable en el rendimiento que la optimizaci\u00f3n del c\u00f3digo del cliente ejecutado en el navegador.<\/p>\n

<\/a><\/noindex><\/p>\n

Fuente: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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