Fun Mailinator server stats

All averages have some fuzziness in them. Max numbers were observed but are unlikely the actual max.

100% custom SMTP Server written in Java using blocking I/O, multiple (at times thousands) of threads, and liberal use of non-blocking data structures.
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Average daily incoming emails: 6.5 million
Average daily incoming bandwidth: 18.4G
Average # of threads running at any time: ~450
load average: (uptime cmd) 0.04, 0.05, 0.00

Average email size: 2194 bytes
Ram devoted to email storage (compressed): 400M-500M
Average number of stored messages: 218,675
Average number of active inboxes: 94.575
Average memory allocated to Java VM: 880M

Max observed emails in one hour: 1,000,085
Max observed emails in one second: 1,274