How Perplexity serializes concurrent agent submits with head checks and replay
perplexity_ai · x · 2026-10-13
Perplexity details concurrency control in Projects: the CLI holds a short-lived lock to serialize submits, and the Git service accepts a submit only if it builds on the head (latest accepted commit); otherwise the agent replays its change on the new head and resubmits — illustrated with a two-agent flow where a stale-base submit is rejected, replayed, and accepted.
Related event: Perplexity Explains Projects: A Git-Based Shared File System for Agents(6 posts)→
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