RadPane in telerik controls can show a header. We normally use the Header property to set the header for RadPane. This works most of the time. But in some scenarios, say for example when we use nested RadPane, this kind of usage doesn't seem to work. The header suddenly disappears. This is a know issue in telerik.
Wednesday, 25 June 2014
Varnish is an HTTP accelerator or so called reverse proxy. Varnish is a type of proxy server that retrieves resources on behalf of a client from one or more servers. These resources are then returned to the client as though they originated from the server or servers themselves. Varnish then caches those pages whose expiry header is set to some future date. This means those pages which won’t change until that date. Mostly static pages in a site will have expiry header so the next time when a client requests a page, varnish will look at the header to determine that the page has not expired. If not expired, then it will then serve that page without contacting the web server. This way, load on the server will be less. All static pages will be served by varnish without the knowledge of webserver.
After installing and configuring varnish, varnish will listen to the port where the client send request. Real web server will now sit as a backend for varnish, if varnish is not able to find the page in its cache, then it will request the backend webserver to get the page and varnish will serve that page to requesting client and at the same time it will cache it and next time it will serve the cached page.
After installing and configuring varnish, varnish will listen to the port where the client send request. Real web server will now sit as a backend for varnish, if varnish is not able to find the page in its cache, then it will request the backend webserver to get the page and varnish will serve that page to requesting client and at the same time it will cache it and next time it will serve the cached page.
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