other

EmergencyReparentShard

Vitess operation that promotes a new primary for a shard when the existing primary is dead or unreachable, choosing among surviving tablets by comparing their replication positions.

Known aliases

Relationships

No evidence-backed relationships are recorded.

Current clusters

product1 publisher

Vitess v25 makes emergency failover wait only on the tablets that could win the election

Before v25, one surviving tablet that missed the relay-log deadline could fail an entire EmergencyReparentShard. Vitess says the new release filters that wait down to tablets sharing the leading history.

Publishers:vitess.io

Reality

Evidence60
Adoption20
Hype gap+12
Incentives65
Confidence62