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Connector Improvement: Improve Performance of PostHog Connector

Answered
Michael Urrutia User

The current Fivetran PostHog integration is extremely non-performant. Syncs routinely take ~24 hours to complete, which effectively limits us to a single sync per day and makes the connector unusable for near-real-time or even same-day analytics.

We have tested PostHog’s native Snowflake integration and observed significantly better performance and much faster sync times. However, our preference is to keep all ingestion centralized within Fivetran.

We’d like to see meaningful performance improvements to the PostHog connector, including:

  • Faster incremental syncs

  • Better handling of large PostHog event volumes

  • Reduced end-to-end sync times to enable multiple daily syncs

In its current state, connector performance is a blocker for reliably using PostHog data in downstream analytics and reporting.

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Comments

2 comments

Date Votes
  • Official comment
    Syead Mujtaba Imam Rizwi Fivetranner
    • Edited

    Hi Michael,

    This is a valuable request. We've added your feedback on PostHog connector performance to our feature improvements backlog. To help us prioritize enhancements, could you share more about your primary use case? Specifically, are there certain analytics or reporting objectives being hindered by the current sync frequency? Additionally, any details on data volume or typical sync windows that would meet your needs would be useful.

    We'll keep this thread updated as we make progress on improvements.

     

    Thanks,
    Syead

  • Michael Urrutia User

    We have a handful of use cases, like operational analytics for downstream integrations, that require fresher data, but all insights are currently at least a full day behind and will only get worse as we scale.

    Even setting use cases aside, this Lite connector just isn’t very good. The main reason we’re using it instead of syncing directly from PostHog to Fivetran is the number of projects we have; managing individual syncs would be a cumbersome endeavor.

    For context, we’re processing ~40M events per day. Current sync times range from 21–27 hours, and syncs frequently fail with the error: “Infrastructure rescheduled sync for appropriate resource provisioning