High Availability with Patroni and Etcd Quiz

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🛡️ Postgres Database Administration – High Availability with Patroni and Etcd

20 questions · 15 min timer · Explanations included · Free

What is the recommended method for ensuring data consistency during a failover in a Patroni cluster?

Manually copying data files from the leader to replicas.

Using synchronous replication between the leader and at least one replica.

Disabling replication during failover events.

Relying on asynchronous replication for all replicas.

None

Synchronous replication ensures that data is written to at least one replica before committing, maintaining consistency during failover.

Which component is essential for storing the cluster state in a Patroni setup?

RabbitMQ

Redis

Kafka

Etcd

None

Etcd is a distributed key-value store used by Patroni to store the cluster state and coordinate leader elections.

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