kafka.consumer

RangeAssignor

class RangeAssignor extends PartitionAssignor with Logging

Range partitioning works on a per-topic basis. For each topic, we lay out the available partitions in numeric order and the consumer threads in lexicographic order. We then divide the number of partitions by the total number of consumer streams (threads) to determine the number of partitions to assign to each consumer. If it does not evenly divide, then the first few consumers will have one extra partition. For example, suppose there are two consumers C1 and C2 with two streams each, and there are five available partitions (p0, p1, p2, p3, p4). So each consumer thread will get at least one partition and the first consumer thread will get one extra partition. So the assignment will be: p0 -> C1-0, p1 -> C1-0, p2 -> C1-1, p3 -> C2-0, p4 -> C2-1

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Instance Constructors

  1. new RangeAssignor ()

Value Members

  1. def != (arg0: AnyRef): Boolean

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  2. def != (arg0: Any): Boolean

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  3. def ## (): Int

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  4. def == (arg0: AnyRef): Boolean

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  5. def == (arg0: Any): Boolean

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  6. def asInstanceOf [T0] : T0

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  7. def assign (ctx: AssignmentContext): Map[TopicAndPartition, ConsumerThreadId]

    Assigns partitions to consumer instances in a group.

    Assigns partitions to consumer instances in a group.

    returns

    An assignment map of partition to consumer thread. This only includes assignments for threads that belong to the given assignment-context's consumer.

    Definition Classes
    RangeAssignorPartitionAssignor
  8. def clone (): AnyRef

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  9. def debug (msg: ⇒ String, e: ⇒ Throwable): Unit

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  10. def debug (e: ⇒ Throwable): Any

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  11. def debug (msg: ⇒ String): Unit

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  12. def eq (arg0: AnyRef): Boolean

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  13. def equals (arg0: Any): Boolean

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  14. def error (msg: ⇒ String, e: ⇒ Throwable): Unit

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  15. def error (e: ⇒ Throwable): Any

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  16. def error (msg: ⇒ String): Unit

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  17. def fatal (msg: ⇒ String, e: ⇒ Throwable): Unit

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  18. def fatal (e: ⇒ Throwable): Any

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  19. def fatal (msg: ⇒ String): Unit

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  20. def finalize (): Unit

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  21. def getClass (): java.lang.Class[_]

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  22. def hashCode (): Int

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  23. def info (msg: ⇒ String, e: ⇒ Throwable): Unit

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  24. def info (e: ⇒ Throwable): Any

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  25. def info (msg: ⇒ String): Unit

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  26. def isInstanceOf [T0] : Boolean

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  27. var logIdent : String

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  28. lazy val logger : Logger

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  29. val loggerName : String

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  30. def ne (arg0: AnyRef): Boolean

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  31. def notify (): Unit

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  32. def notifyAll (): Unit

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  33. def swallow (action: ⇒ Unit): Unit

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  34. def swallowDebug (action: ⇒ Unit): Unit

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  35. def swallowError (action: ⇒ Unit): Unit

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  36. def swallowInfo (action: ⇒ Unit): Unit

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  37. def swallowTrace (action: ⇒ Unit): Unit

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  38. def swallowWarn (action: ⇒ Unit): Unit

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  39. def synchronized [T0] (arg0: ⇒ T0): T0

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  40. def toString (): String

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  41. def trace (msg: ⇒ String, e: ⇒ Throwable): Unit

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  42. def trace (e: ⇒ Throwable): Any

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  43. def trace (msg: ⇒ String): Unit

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  44. def wait (): Unit

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  45. def wait (arg0: Long, arg1: Int): Unit

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  46. def wait (arg0: Long): Unit

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  47. def warn (msg: ⇒ String, e: ⇒ Throwable): Unit

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  48. def warn (e: ⇒ Throwable): Any

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  49. def warn (msg: ⇒ String): Unit

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    Logging

Inherited from Logging

Inherited from PartitionAssignor

Inherited from AnyRef

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