Performance

Provide probe and status pages for load balancers and monitoring tools to check against

Add on for Ultimate Cron. Create an arbitrary number of threads per queue, and use them in a throttling manner based on a threshold.

This module is pretty straightforward. It purges the varnish cache for your devcloud acquia hosting for an edited page. This way your anonymous visitors will see the most recent version.

A module that helps assist with busting caches (notably Varnish and Akamai) when forms are submitted by setting a NO_CACHE cookie in the user's browser.

A high-fidelity way to implement cache expiration with the Varnish reverse proxy cache.

This module will give you helpful tips about indexes on Views preview, in others what queries to avoid. Development is sponsored by Webwise and Symantec.