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From "Jonathan Eagles (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TEZ-4081) Container release idle timeout exception for equal min and max values
Date Fri, 09 Aug 2019 22:46:00 GMT
Jonathan Eagles created TEZ-4081:
------------------------------------

             Summary: Container release idle timeout exception for equal min and max values
                 Key: TEZ-4081
                 URL: https://issues.apache.org/jira/browse/TEZ-4081
             Project: Apache Tez
          Issue Type: Improvement
            Reporter: Jonathan Eagles


Documentation is that Max must be greater than or equal to the minimum values.
{code}
  /**
   * Int value. The maximum amount of time to hold on to a container if no task can be
   * assigned to it immediately. Only active when reuse is enabled. The value
   * must be +ve and >=
   * TezConfiguration#TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS.
   * Containers will have an expire time set to a random value between
   * TezConfiguration#TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS &&
   * TezConfiguration#TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS. This
   * creates a graceful reduction in the amount of idle resources held
   */
  @ConfigurationScope(Scope.AM)
  @ConfigurationProperty(type="long")
  public static final String TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS =
      TEZ_AM_PREFIX + "container.idle.release-timeout-max.millis";
  public static final long
    TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS_DEFAULT = 10000l;
{code}

Yet equal values of min and max cause this exception.
{code}
Service Error: Error in TaskScheduler for handling Task De-allocation, eventType=S_TA_ENDED,
scheduler=[0:TezYarn], taskAttemptId=attempt_1564035733375_382652_1_00_000051_0, eventType=TASK_SCHEDULER_SERVICE_FATAL_ERROR,
exception=org.apache.commons.math3.exception.NumberIsTooLargeException: lower bound (60,000)
must be strictly less than upper bound (60,000)
{code}



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