Neha Narkhede created KAFKA-910:
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Summary: Randomize the backoff in the clients to avoid all clients
from sending metadata requests at the same time
Key: KAFKA-910
URL: https://issues.apache.org/jira/browse/KAFKA-910
Project: Kafka
Issue Type: Bug
Components: replication
Affects Versions: 0.8
Reporter: Neha Narkhede
Assignee: Neha Narkhede
Priority: Critical
Currently, all producer and consumer clients use a static backoff. So if a
broker fails, most topics will lose some leaders. All clients will notice the
absence of a leader at the same time, backoff the same time and send metadata
requests. Instead, clients should randomize the backoff to avoid a herd effect
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