awstats_update_all is a script that runs the AWStats statistics update process for all configured sites in parallel. Process priority and the number of processes executed in parallel are fully configurable. New AWStats sites are recognized automatically. It is designed to be run by cron.
TCPWebLog is a system that collects and aggregates Apache and Varnish Web server logs from multiple Linux computers. It uses a simple "client" program that pipes logs to a central server over a TCP connection, and a "server" program that receive the logs and quickly aggregates or splits them.