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  1. JDK
  2. JDK-8220658

Improve the readability of container information in the error log

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 13
    • Fix Version/s: 13
    • Component/s: hotspot
    • Subcomponent:
    • Resolved In Build:
      b14
    • CPU:
      generic
    • OS:
      linux

      Description

      In the VM's error log, the container information was dumpped as:
      ---------------------------------
      container (cgroup) information:
      container_type: cgroupv1
      cpu_cpuset_cpus: 0-11
      cpu_memory_nodes: 0
      active_processor_count: 12
      cpu_quota: -1
      cpu_period: 100000
      cpu_shares: -1
      memory_limit_in_bytes: -1
      memory_and_swap_limit_in_bytes: -2
      memory_soft_limit_in_bytes: -1
      memory_usage_in_bytes: 11690164224
      memory_max_usage_in_bytes: 1806413824
      ---------------------------------

      Items such as "memory_limit_in_bytes" and "memory_and_swap_limit_in_bytes" are difficult to understand.

      It might be more human-readable if we could dump it like this:
      ---------------------------------
      container (cgroup) information:
      container_type: cgroupv1
      cpu_cpuset_cpus: 0-11
      cpu_memory_nodes: 0
      active_processor_count: 12
      cpu_quota: no quota
      cpu_period: 100000
      cpu_shares: no share
      memory_limit_in_bytes: unlimited
      memory_and_swap_limit_in_bytes: failed
      memory_soft_limit_in_bytes: unlimited
      memory_usage_in_bytes: 11690164224
      memory_max_usage_in_bytes: 1806413824
      ---------------------------------

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            Assignee:
            jiefu Jie Fu
            Reporter:
            jiefu Jie Fu
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              Dates

              Created:
              Updated:
              Resolved: