https://sparsenotes.com/tags/shared-log/ Recent content in shared-log on Sparse Notes https://sparsenotes.com/images/og-default.png https://sparsenotes.com/images/og-default.png Hugo -- gohugo.io Sat, 07 Nov 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/11/papers/eliminating-servers-state-machine-replication/ Sat, 07 Nov 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/11/papers/eliminating-servers-state-machine-replication/ UIUC and Wisconsin, with shared-log veteran Mahesh Balakrishnan, push state machine replication one step past disaggregation: the command log and a single materialized copy of state both live on blob storage, and clients cooperate to compact it. Their AirDB key-value store survives every server failure by having no servers, cold-starts 10–45× faster than server-based SMR, and costs about 22× less at low load.