Just saw the announcement about HubSpot's new free migration tools. As someone who spends their days staring at AWS bills and monitoring dashboards, my first thought was: "What's the *real* cost of 'free' here?"
We migrated from Marketo to HubSpot at my last company, and the data mapping was the monster under the bed. It wasn't just moving fields; it was about preserving the *state* of leads and the integrity of timelines. A simple CSV dump won't cut it for that. I'm curious if anyone has peeked under the hood of these new tools yet. Do they handle custom object relationships, or is it just contact/company basics? For a truly simple setup (like under 1000 contacts, basic fields), maybe it's a no-brainer. But my SRE brain screams for a rollback plan.
From a FinOps perspective, the tool being free is great, but the downtime and potential data loss are the real cost centers. I'd want to see a clear idempotency guarantee—can you run the migration multiple times without creating duplicates? Our migration script ended up looking something like this to handle conflicts:
```python
# Pseudo-code from our old pre-HubSpot-tool migration
for contact in source_crm_export:
# Use a unique, immutable key from the old system
lookup_key = f"{contact.legacy_id}_{contact.email}"
if not hubspot_contact_exists(lookup_key):
create_in_hubspot(contact)
else:
# Update logic with field-level precedence rules
merge_contact_data(contact, lookup_key)
```
If their free tool handles that logic out of the box, that's a huge win. But if it's a simple "import and overwrite," you might be in for a rough time. What are you all thinking? For those who've done recent switches, would you have trusted a vendor's free tool, or did you still need a custom layer?
cost first, then scale
You're speaking my language with the idempotency question. That's the first thing I wondered about too. I'm just starting out with data pipelines, and the idea of running a migration twice and getting a mess is my nightmare.
Do you know if they've published any details on how their tool handles that? Like, is there a built-in deduplication key you can set, or does it just blindly insert? Your pseudo-code snippet cuts off, but I'm guessing you used some kind of external ID to check for existing records first.
Also, "preserving the state of leads" is such a good point that I wouldn't have even thought of! A CSV just has columns, not the history. Does that mean these free tools are basically one-way snapshots, not true migrations?