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aka, ‘How much downtime corresponds to 99.9% uptime’. Great utility, plug in your number and see the results
(tags: uptime sla service downtime outages calculators tools)
How io_uring and eBPF Will Revolutionize Programming in Linux
Nice writeup of how io_uring works, and how it improves performance
Moving Quicksilver into production
Incredible effort by Cloudflare, moving from Kyoto Tycoon to a new, self-built, replicated K/V store called Quicksilver built atop LMDB. Also good to see positive things written about RocksDB, too
(tags: rocksdb lmdb cloudflare kyoto-tycoon quicksilver ops storage key-value-storage replication architecture)