Damian Guy created KAFKA-4537:
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Summary: StreamPartitionAssignor incorrectly adds standby
partitions to the partitionsByHostState map
Key: KAFKA-4537
URL: https://issues.apache.org/jira/browse/KAFKA-4537
Project: Kafka
Issue Type: Bug
Components: streams
Affects Versions: 0.10.2.0
Reporter: Damian Guy
Assignee: Damian Guy
Fix For: 0.10.2.0
If a KafkaStreams app is using Standby Tasks then StreamPartitionAssignor will
add the standby partitions to the partitionsByHostState map for each host. This
is incorrect as the partitionHostState map is used to resolve which host is
hosting a particular store for a key.
The result is that doing metadata lookups for interactive queries can return an
incorrect host
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