Self-hosted open-source deployment is made for hobbyists or hosting PostHog in weird and wonderful ways (like in your basement).
It's MIT licensed and provided without guarantee. You should be confident in your security knowledge to run it. It is unlikely to handle >100k events/month with a high risk of data loss. As a small team we can only provide limited support for open-source PostHog.
For most companies we'd recommend PostHog Cloud.
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Historical migrations refers to ingesting and importing past data into PostHog for analysis. This includes: Migrating from a different tool or platform like Mixpanel or Amplitude Migrating from a self-hosted PostHog instance to PostHog Cloud Migrating from one PostHog Cloud instance to another , for example US -> EU. Adding past data from a third-party source into PostHog Migrating historical data is free, but you must contact sales@posthog.com if you plan to migrate more than 20M events…