Fast cache purge in content delivery network

摘要

Processing a purge request is disclosed. The purge request is received. An availability state for each content distribution node in a group of content distribution nodes is tracked. Based on the purge request, one or more purge instructions are generated for one or more available state content distribution nodes of the group. Based on the purge request, one or more queued purge instructions are queued for one or more unavailable state content distribution nodes of the group. It is determined that the one or more available state content distribution nodes of the group have completed processing the one or more purge instructions generated for the one or more available state content distribution nodes. Based at least in part on the queuing of the one or more queued purge instructions for the one or more unavailable state nodes, an indication that the purge request has been completed is authorized.

主权项

1. A system for processing a purge request, comprising:
an interface configured to receive the purge request; a storage configured to store an availability state for each content distribution node in a group of content distribution nodes; and a processor configured to:
generate, based on the purge request, one or more purge instructions for one or more available state content distribution nodes of the group;queue, based on the purge request, one or more queued purge instructions for one or more unavailable state content distribution nodes of the group;determine that the one or more available state content distribution nodes of the group have completed processing the one or more purge instructions generated for the one or more available state content distribution nodes; andauthorize, based at least in part on the queuing of the one or more queued purge instructions for the one or more unavailable state nodes, an indication that the purge request has been completed.