Package io.prestosql.spi.resourcegroups

Interface ResourceGroup

  • public interface ResourceGroup

    • Method Detail

      • getSoftMemoryLimitBytes

        long getSoftMemoryLimitBytes()

      • setSoftMemoryLimitBytes

        void setSoftMemoryLimitBytes​(long limit)
        Threshold on total distributed memory usage after which new queries will queue instead of starting.

      • getSoftCpuLimit

        java.time.Duration getSoftCpuLimit()

      • setSoftCpuLimit

        void setSoftCpuLimit​(java.time.Duration limit)
        Threshold on total distributed CPU usage after which max running queries will be reduced.

      • getHardCpuLimit

        java.time.Duration getHardCpuLimit()

      • setHardCpuLimit

        void setHardCpuLimit​(java.time.Duration limit)
        Threshold on total distributed CPU usage after which new queries will queue instead of starting.

      • getCpuQuotaGenerationMillisPerSecond

        long getCpuQuotaGenerationMillisPerSecond()

      • setCpuQuotaGenerationMillisPerSecond

        void setCpuQuotaGenerationMillisPerSecond​(long rate)
        Rate at which distributed CPU usage quota regenerates.

      • getSoftConcurrencyLimit

        int getSoftConcurrencyLimit()

      • setSoftConcurrencyLimit

        void setSoftConcurrencyLimit​(int softConcurrencyLimit)
        Number of concurrently running queries after which new queries will only run if all peer resource groups below their soft limits are ineligible or if all eligible peers are above soft limits.

      • getHardConcurrencyLimit

        int getHardConcurrencyLimit()

      • setHardConcurrencyLimit

        void setHardConcurrencyLimit​(int hardConcurrencyLimit)
        Maximum number of concurrently running queries, after which new queries will queue instead of starting.

      • getMaxQueuedQueries

        int getMaxQueuedQueries()

      • setMaxQueuedQueries

        void setMaxQueuedQueries​(int maxQueuedQueries)
        Maximum number of queued queries after which submitted queries will be rejected.

      • getSchedulingWeight

        int getSchedulingWeight()

      • setSchedulingWeight

        void setSchedulingWeight​(int weight)
        Scheduling weight of this group in its parent group.

      • setSchedulingPolicy

        void setSchedulingPolicy​(SchedulingPolicy policy)
        Scheduling policy to use when dividing resources among child resource groups, or among queries submitted to this group.

      • getJmxExport

        boolean getJmxExport()

      • setJmxExport

        void setJmxExport​(boolean export)
        Whether to export statistics about this group and allow configuration via JMX.