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ASP.NET Output Caching

Overview

Ignite cache can be used as an ASP.NET output cache. This can work especially well for web farms where cached output will be shared between web servers.

Installation

Binary distribution: add a reference to Apache.Ignite.AspNet.dll
NuGet: Install-Package Apache.Ignite.AspNet

Launching Ignite Automatically

To start Ignite automatically for output caching, configure it in the web.config file via IgniteConfigurationSection

<configuration>
    <configSections>
        <section name="igniteConfiguration" type="Apache.Ignite.Core.IgniteConfigurationSection, Apache.Ignite.Core" />
    </configSections>

    <igniteConfiguration autoGenerateIgniteInstanceName="true">
        <cacheConfiguration>
            <cacheConfiguration name='myWebCache' />
        </cacheConfiguration>
    </igniteConfiguration>
</configuration>

Enable the caching in the web.config settings:

<system.web>
  <caching>
    <outputCache defaultProvider="apacheIgnite">
      <providers>
          <add name="apacheIgnite" type="Apache.Ignite.AspNet.IgniteOutputCacheProvider, Apache.Ignite.AspNet" igniteConfigurationSectionName="igniteConfiguration" cacheName="myWebCache" />
      </providers>
    </outputCache>
  </caching>
</system.web>

Launching Ignite Manually

You can start an Ignite instance manually and specify it’s name in the provider configuration:

<system.web>
  <caching>
    <outputCache defaultProvider="apacheIgnite">
      <providers>
          <add name="apacheIgnite" type="Apache.Ignite.AspNet.IgniteOutputCacheProvider, Apache.Ignite.AspNet" cacheName="myWebCache" />
      </providers>
    </outputCache>
  </caching>
</system.web>

The Ignite instance needs to be started before any request is served. Typically this is done in the Application_Start method of the global.asax.

See ASP.NET Deployment for web deployment specifics related to the IGNITE_HOME variable.

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