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Self-Hosted Chatwoot Handles 348K Messages on 1.8 GB RAM, One VPS

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A developer running self-hosted Chatwoot for eight clients measured real-world resource usage, finding that 348,703 messages across 20 inboxes consumed just 1.8 GB of RAM on a single VPS. The entire setup — covering Rails, Postgres, Sidekiq, and Redis containers — ran comfortably on a 4 GB virtual server alongside other workloads. Unlike seat-based cloud pricing, self-hosted resource consumption scales with message volume rather than the number of agents, making it economically attractive for larger teams. However, the author cautions that cloud tiers impose conversation history retention caps — as short as 30 days on the free tier — which can be a more consequential constraint than the monthly price. Self-hosting is described as genuinely viable for teams with operational capacity, but cloud hosting is recommended for those without staff comfortable managing server issues outside business hours.

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