Class

kafka.consumer

RangeAssignor

Related Doc: package consumer

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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()

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Value Members

  1. final def !=(arg0: Any): Boolean

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    AnyRef → Any

  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def assign(ctx: AssignmentContext): Pool[String, Map[TopicAndPartition, ConsumerThreadId]]

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    Assigns partitions to consumer instances in a group.

    Assigns partitions to consumer instances in a group.

    returns

    An assignment map of partition to this consumer group. This includes assignments for threads that belong to the same consumer group.

    Definition Classes
    RangeAssignor → PartitionAssignor

  6. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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  7. def debug(msg: ⇒ String, e: ⇒ Throwable): Unit

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  8. def debug(e: ⇒ Throwable): Any

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  9. def debug(msg: ⇒ String): Unit

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  10. final def eq(arg0: AnyRef): Boolean

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  11. def equals(arg0: Any): Boolean

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

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  13. def error(e: ⇒ Throwable): Any

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  14. def error(msg: ⇒ String): Unit

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

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  16. def fatal(e: ⇒ Throwable): Any

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  17. def fatal(msg: ⇒ String): Unit

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  18. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

  19. final def getClass(): Class[_]

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  20. def hashCode(): Int

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

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  22. def info(e: ⇒ Throwable): Any

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  23. def info(msg: ⇒ String): Unit

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  24. final def isInstanceOf[T0]: Boolean

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  25. var logIdent: String

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    protected
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  26. lazy val logger: Logger

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  27. val loggerName: String

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  28. final def ne(arg0: AnyRef): Boolean

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  29. final def notify(): Unit

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  30. final def notifyAll(): Unit

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

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

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

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

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

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

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  37. final def synchronized[T0](arg0: ⇒ T0): T0

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  38. def toString(): String

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

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  40. def trace(e: ⇒ Throwable): Any

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  41. def trace(msg: ⇒ String): Unit

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  42. final def wait(): Unit

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    @throws( ... )

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

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  44. final def wait(arg0: Long): Unit

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

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    Logging

  46. def warn(e: ⇒ Throwable): Any

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    Logging

  47. def warn(msg: ⇒ String): Unit

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Inherited from Logging

Inherited from PartitionAssignor

Inherited from AnyRef

Inherited from Any

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