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  1. Cloud Enablement
  2. CLOUD-1925

[EAP71] Set activemq thread pool system properties

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      Feature: Calculates default thread pool sizes for EAP7 based on Artemis configuration formulae(https://github.com/apache/activemq-artemis/blob/master/artemis-core-client/src/main/java/org/apache/activemq/artemis/api/core/client/ActiveMQClient.java) and container limits specified by cgroups.
      Reason: The JVM is not cgroup aware and therefore cannot be trusted to generate default values for Artemis threads pool arguments. Otherwise, the JVM might calculate thread pool values that are too large for a container with restricted resources to handle.
      Result: Default Artemis thread pools sizes are calculated based on the resource limits of the container and not of the JVM
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      Feature: Calculates default thread pool sizes for EAP7 based on Artemis configuration formulae( https://github.com/apache/activemq-artemis/blob/master/artemis-core-client/src/main/java/org/apache/activemq/artemis/api/core/client/ActiveMQClient.java ) and container limits specified by cgroups. Reason: The JVM is not cgroup aware and therefore cannot be trusted to generate default values for Artemis threads pool arguments. Otherwise, the JVM might calculate thread pool values that are too large for a container with restricted resources to handle. Result: Default Artemis thread pools sizes are calculated based on the resource limits of the container and not of the JVM
    • CLOUD Maintenance Sprint 11

    Description

      It is possible to control Artemis thread pool sizes using system properties

      • activemq.artemis.client.global.thread.pool.max.size
      • activemq.artemis.client.global.scheduled.thread.pool.core.size

      Thread pool should be sized according to cgroups settings.

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          is related to

          Bug - A problem that impairs or prevents the functions of the product. CLOUD-2052 [EAP7] activemq thread pool system properties doesn't take JAVA_CORE_LIMIT into account

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Verified
          relates to

          Enhancement - An enhancement to or refactoring of existing functionality that is not configurable by an end user (typically a change made by an internal team that affects users) CLOUD-2152 [tracker] Sprint 12 release

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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              kliberti Kyle Liberti
              jpechane Jiri Pechanec
              Tomas Remes Tomas Remes
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