Alexey Ozeritskiy created KAFKA-2178:
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Summary: Loss of highwatermarks on incorrect cluster
shutdown/restart
Key: KAFKA-2178
URL: https://issues.apache.org/jira/browse/KAFKA-2178
Project: Kafka
Issue Type: Improvement
Affects Versions: 0.8.2.1
Reporter: Alexey Ozeritskiy
Attachments: KAFKA-2178.patch
ReplicaManager flushes highwatermarks only for partitions which it recieved
from Controller.
If Controller sends incomplete list of partitions then ReplicaManager will
write incomplete list of highwatermarks.
As a result one can lose a lot of data during incorrect broker restart.
We got this situation in real life on our cluster.
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