[jira] [Created] (SAMZA-82) Not use maximum number of partitions when initializing streams

["Jakob Homan (JIRA)" <ji...@apache.org>]

Jakob Homan created SAMZA-82:
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             Summary: Not use maximum number of partitions when initializing streams
                 Key: SAMZA-82
                 URL: https://issues.apache.org/jira/browse/SAMZA-82
             Project: Samza
          Issue Type: Bug
          Components: kafka
    Affects Versions: 0.7.0
            Reporter: Jakob Homan
            Assignee: Jakob Homan
             Fix For: 0.7.0


Util.scala:
{code}  /**
   * Uses config to create SystemAdmin classes for all input stream systems to
   * get each input stream's partition count, then returns the maximum count.
   * An input stream with two partitions, and a second input stream with four
   * partitions would result in this method returning 4.
   */
  def getMaxInputStreamPartitions(config: Config) = {
{code}
This approach works if all the streams have the same number of partitions, but is inefficient for other cases and, where the underlying system gets cranky about being asked about non-existing partitions, fails.  We should eagerly figure out the correct number of partitions for each topic and pass that information from there.



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