Is a file based cache as fast as a file based session handler in PHP?
I am curious would a file based cache be just as fast as a file based session handler in PHP? ...
caching
Web Application Caching Architecture
I am designing a website implementation. There are two web server machines and we would like out-of-process global cache provided by Memcached. I envisage placing memcached on two separate boxes whose sole purpose is to serve the global data cache. Would such an implementation be considered "typical" and would the term "cache server" be...
Fighting client-side caching in Django
I'm using the render_to_response shortcut and don't want to craft a specific Response object to add additional headers to prevent client-side caching. I'd like to have a response that contains: Pragma: no-cache Cache-control : no-cache Cache-control: must-revalidate And all the other nifty ways that browsers will hopefully interpre...
MySQL query caching: limited to a maximum cache size of 128 MB?
My application is very database intensive so I've tried really hard to make sure the application and the MySQL database are working as efficiently as possible together. Currently I'm tuning the MySQL query cache to get it in line with the characteristics of queries being run on the server. query_cache_size is the maximum amount of data...
Cache Expiration On Static Images
I have a php site using html5 run on a linux server on godaddy. I need to set a cache expiration date on static images and a css file. I also need to gzip a css file and cannot seem to find the correct syntax for either. I am not sure if I am making this too complicated or what. Am I correct to think I can get this done with an exp...
Will PHP load all files references in a page?
I am working on a cache class, I would like to be able to set and get cached items from 5 different storage mediums. Memcache, APC cache, file cache, sessions, cookies. Maybe even a 6th (database could be added as a 6th). My goal is to make this flexible enough that I can use it in the future on many projects very easily (portable). ...
How to clear the DataContext cache on Linq to Sql
Hi, I'm using Linq to Sql to query some database, i only use Linq to read data from the DB, and i make changes to it by other means. (This cannot be changed, this is a restriction from the App that we are extending, all updates must go trough its sdk). This is fine, but I'm hitting some cache problems, basically, i query a row using Lin...
Local database cache template in VS 2008
Hi, I'm trying to insert a local database cache template to a Visual Studio web application, but the template is not available. If i create a Winodws forms application, the template is available. How can i add this to the web application? I need to create an sdf of my database. thanks ...
Cache the output of an action on a per-format & per-user basis
Ryan Bates' render-caching gem is nice, but it keys cache entries by request_uris: def render_with_cache(key = nil, options = nil) key ||= request.request_uri # <---- body = Rails.cache.read(key) if body render :text => body else yield if block_given? render unless performed? Rails.cache.write(key, response....
Is there a way to have OutputCache ignore the master page in asp.net mvc?
I have an action that returns a view with a master page with a logon user control at the top. When I set outputcache, it caches the entire output including the current user, so everybody would see whoever was the last person to hit the page to refresh the cache as the current user. Is there a way to prevent the master page from being i...
ASP.Net - C# - SQL Server - Refreshing cached DataTable with only records that have changed.
I have a large DataTable cached in my web app that is the result of a complex query that returns a large data set. Whilst this data table is cached the query that runs to "refresh" this cache still takes a long time, largely due to the sheer amount of data being returned. In order to speed this up I am considering implementing a timesta...
Asp.Net - Can the absolute expiry for a Cache with CacheUpdateCallback be smaller than 20 seconds?
I have the a test harness detailed below. This has two labels on the page that are set within the page_load which is hit every second due to the updatepanel and timer. Label1 is set to a datetime value that is stored in the Cache. Label2 is set to the current datetime. The cache is set with an absolute expiry of 5 seconds from now and ...
Is the browser caching CSS background images?
When I have the same image used for different elements (sprite images) I usually don't call that image again as this is a new HTTP request. I rather use: element1 { background: url(someImage.png); } element2 { background-image: inherit; } Is this saving HTTP requests? Or if the browser is smart and I can use: element1 { ...
Enable Gzip compression and set Cache expire times in CakePHP
I am using CakePHP with Apache2. Analyzing my pages with the tool PageSpeed from Google, I find two main problems. The first is that I should enable gzipping of content, the second that I should leverage browser caching for images, javascript and css files. I have more or less found how to remedy this, but it involves changing my main ....
how to cache css, images and js?
Hi, I would like to have images, css, and javascript cached client-side on their browser when they load up a web page. There are so many different types of caching I am confused as to which ones to use with asp.net mvc. Would it also be possible to have their browsers check for new or modified versions of these files? Thanks! ...
quickly invalidate cache
Is there a way in c++ to quickly invalidate the L2 cache of a processor other than iterating through a large fake array? ...
Cache Persistence
Hello, I am using the Asp.Net Caching mechanism for a highly frequent changing web app. the cache holds chat participants and their messages, and it needs to keep track of participants presence. Data is changing very frequently, participants go in and out, and messages are sent and recieved. The cache provides me with solutions for: ...
ASP.NET Caching at data access layer (best practice question)
Hello, I currently have a LINQ 2 SQL data model and a supporting 'Passenger' repository class. The repository is as follows (off the top of my head so the code may have errors): public class PassengerRepository { public static Passenger GetPassenger(int passengerId) { Passenger p = null; // Linq to sql code to ...
How can I get access to or replace LINQ to SQL's IdentityManager?
I need to find out if an object with a particular primary key is already attached to a DataContext and get the entity from the DataContext if it is attached. Is there any way at all to do this that doesn't require Reflection with full trust? Ideally, I would like to call GetCachedObject(), but I'd have to use reflection to get at that,...
asp.net mvc file system cache
Is there a way to cache part of a page in asp.net mvc to the file system? basically i would like to cache a partial or everything within the master page. ...