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Kafka >> mail # dev >> Review Request 16175: Patch for KAFKA-1178

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Review Request 16175: Patch for KAFKA-1178

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Review request for kafka.
Bugs: KAFKA-1178
Repository: kafka

1. Fixed broker to only follow become-follower/leader request if the broker exists in the assigned replica list 2. Changed the under replicated check to compare in sync replica set size with assigned replica set size instead of passed in replication factor 3. Fixed the fetcher id computation to not create more fetcher threads than necessary due to the negative (overflown) hashcode value. 4. Fixed some more state change logging 5. Tested partition reassignment several times on a cluster with several 100s of topics, verified reassignment completion followed by no under replicated partitions (through jmx and through zookeeper)

  core/src/main/scala/kafka/admin/ReassignPartitionsCommand.scala 65c04edc11a1eb2771bfd741d59886b5fef9ccbc
  core/src/main/scala/kafka/cluster/Partition.scala 13f48baa1bc44533c33153fde6f1c03a067d83bc
  core/src/main/scala/kafka/server/AbstractFetcherManager.scala 394e981c858fa53a28d3c7fcef0afbd4faf07858
  core/src/main/scala/kafka/server/ReplicaManager.scala b0a39622ab91e209f9657231917a5ae30fd835f0

Diff: https://reviews.apache.org/r/16175/diff/

Neha Narkhede