Simon Willison’s Weblog


1 item tagged “backfills”


Flickr Engineers Do It Offline. Flickr wrote their own queuing mechanism (in PHP), and currently run ten queue servers on dedicated hardware for tasks like pushing new photos in to indexes, denormalisation and “backfills” which move data between clusters and run bulk scripts against large numbers of existing rows.

# 28th September 2008, 1:24 am / backfills, denormalisation, flickr, message-queues, queues