The migration
window opens
on Wednesday.
We are moving the primary cluster to the Amsterdam region. Reads stay available throughout; writes pause for roughly nine minutes near the end.
Rows to copy
4.1 bn
Verified by checksum in flight
Already replicated
3.9 bn
Delta replay handles the rest
Expected write pause
9 min
Between 02:41 and 02:50 UTC
Window opens 16 September, 02:00 UTC. We will post the all-clear on the status page.