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  1. Cloud Enablement
  2. CLOUD-2941

Ability to change the garbage collector in webserver images with GC_CONTAINER_OPTIONS

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Details

    • Enhancement
    • Resolution: Done
    • Major
    • JWS31 1.3.0.GA, JWS50 1.1.0.GA
    • JWS31 1.2.5.GA , JWS50 1.0.0.GA
    • JWS3
    • None
    • CLOUD Maintenance Sprint 25

    Description

      Cloned from https://issues.jboss.org/browse/CLOUD-2286 , which implements the feature for openjdk and other images by adding the GC_CONTAINER_OPTIONS env:

      Would be good to allow users to change the garbage collector when using the webserver images . Adding a different collector via JAVA_OPTS_APPEND does not take effect.

      Currently the garbage collector is set in this script with no option to change it:
      https://github.com/jboss-openshift/cct_module/blob/1.0/os-java-run/added/java-default-options#L121

      gc_config() {
  local minHeapFreeRatio=${GC_MIN_HEAP_FREE_RATIO:-20}
  local maxHeapFreeRatio=${GC_MAX_HEAP_FREE_RATIO:-40}
  local timeRatio=${GC_TIME_RATIO:-4}
  local adaptiveSizePolicyWeight=${GC_ADAPTIVE_SIZE_POLICY_WEIGHT:-90}
  local maxMetaspaceSize=${GC_MAX_METASPACE_SIZE:-100}

  echo "-XX:+UseParallelGC " \
       "-XX:MinHeapFreeRatio=${minHeapFreeRatio} "\
       "-XX:MaxHeapFreeRatio=${maxHeapFreeRatio} "\
       "-XX:GCTimeRatio=${timeRatio} "\
       "-XX:AdaptiveSizePolicyWeight=${adaptiveSizePolicyWeight} "\
       "-XX:MaxMetaspaceSize=${maxMetaspaceSize}m"
}

error_handling() {
  echo "-XX:+ExitOnOutOfMemoryError"
}

initialize_container_limits > /dev/null

## Echo options, trimming trailing and multiple spaces
echo "$(initial_memory) $(max_memory) $(gc_config) $(diagnostics) $(cpu_core_tunning) $(error_handling)" | awk '$1=$1'

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          clones

          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-2286 Ability to change the garbage collector in Java S2I image

          • 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
          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-2997 [tracker] [JWS31] Sprint 25 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

          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-2998 [tracker] [JWS50] Sprint 25 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

          Activity

            People

              szappis@redhat.com Sokratis Zappis
              rhn-support-trogers Travis Rogers (Inactive)
              Petr Nehyba Petr Nehyba (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: