| JVM Instances | 
            
              jvm_Ctr_1(1), jvm_Backend_1(16), jvm_TxInjector_1(16)
             | 
          
          
            | OS Image Description | 
            
              os_1
             | 
          
          
            | Tuning | 
            
              - ulimit -n 1024000
 - cpupower frequency-set -g performance
 - echo 10000 > /proc/sys/vm/dirty_expire_centisecs
 - echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
 - echo 960000 > /proc/sys/kernel/sched_rt_runtime_us
 - echo 40000 > /sys/kernel/debug/sched/migration_cost_ns
 - echo 10 > /proc/sys/vm/dirty_background_ratio
 - echo 0 > /proc/sys/vm/numa_stat
 - echo 0 > /proc/sys/kernel/numa_balancing
 - echo 10 > /proc/sys/vm/swappiness
 - echo 400000 > /sys/kernel/debug/sched/latency_ns
 - echo 40 > /proc/sys/vm/dirty_ratio
 - echo 800000000 > /sys/kernel/debug/sched/min_granularity_ns
 - echo 200000000 > /sys/kernel/debug/sched/wakeup_granularity_ns
 - echo always > /sys/kernel/mm/transparent_hugepage/defrag
 - echo always > /sys/kernel/mm/transparent_hugepage/enabled
  
             | 
          
          
            | Notes | 
            
              None
             | 
          
              
          
            | Parts of Benchmark | 
            
              Controller
             | 
          
          
            | JVM Instance Description | 
            
              jvm_1
             | 
          
          
            | Command Line | 
            
              -Xms3g -Xmx3g -Xmn2g -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:CICompilerCount=2
             | 
          
          
            | Tuning | 
            
              None
             | 
          
          
            | Notes | 
            
              None
             | 
          
              
          
            | Parts of Benchmark | 
            
              Backend
             | 
          
          
            | JVM Instance Description | 
            
              jvm_1
             | 
          
          
            | Command Line | 
            
              -Xms28g -Xmx28g -Xmn25g -XX:AllocatePrefetchInstr=2 -XX:+UseParallelGC -XX:ParallelGCThreads=12 -XX:LargePageSizeInBytes=2m -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:SurvivorRatio=20 -XX:TargetSurvivorRatio=95 -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=11k -XX:MaxGCPauseMillis=100 -XX:LoopUnrollLimit=200 -XX:+UseTransparentHugePages -XX:TLABAllocationWeight=2 -XX:ThreadStackSize=140 -XX:CompileThresholdScaling=120 -XX:CICompilerCount=4 -XX:AutoBoxCacheMax=32 -XX:OnStackReplacePercentage=100 -XX:TLABSize=1m -XX:MinTLABSize=1m -XX:-ResizeTLAB -XX:TLABWasteTargetPercent=1 -XX:TLABWasteIncrement=1 -XX:YoungPLABSize=1m -XX:OldPLABSize=1m
             | 
          
          
            | Tuning | 
            
              numactl used to affinitize each Backend JVM to a single NUMA node, eg:- numactl --cpunodebind=0 --localalloc
 - numactl --cpunodebind=1 --localalloc
 - numactl --cpunodebind=2 --localalloc
 - numactl --cpunodebind=3 --localalloc
 - numactl --cpunodebind=4 --localalloc
 - numactl --cpunodebind=5 --localalloc
 - numactl --cpunodebind=6 --localalloc
 - numactl --cpunodebind=7 --localalloc
 - numactl --cpunodebind=8 --localalloc
 - numactl --cpunodebind=9 --localalloc
 - numactl --cpunodebind=10 --localalloc
 - numactl --cpunodebind=11 --localalloc
 - numactl --cpunodebind=12 --localalloc
 - numactl --cpunodebind=13 --localalloc
 - numactl --cpunodebind=14 --localalloc
 - numactl --cpunodebind=15 --localalloc
  
             | 
          
          
            | Notes | 
            
              None
             | 
          
              
          
            | Parts of Benchmark | 
            
              TxInjector
             | 
          
          
            | JVM Instance Description | 
            
              jvm_1
             | 
          
          
            | Command Line | 
            
              -Xms3g -Xmx3g -Xmn2g -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:CICompilerCount=2
             | 
          
          
            | Tuning | 
            
              numactl used to affinitize each TxInjector JVM to a single NUMA node, eg:- numactl --cpunodebind=0 --localalloc
 - numactl --cpunodebind=1 --localalloc
 - numactl --cpunodebind=2 --localalloc
 - numactl --cpunodebind=3 --localalloc
 - numactl --cpunodebind=4 --localalloc
 - numactl --cpunodebind=5 --localalloc
 - numactl --cpunodebind=6 --localalloc
 - numactl --cpunodebind=7 --localalloc
 - numactl --cpunodebind=8 --localalloc
 - numactl --cpunodebind=9 --localalloc
 - numactl --cpunodebind=10 --localalloc
 - numactl --cpunodebind=11 --localalloc
 - numactl --cpunodebind=12 --localalloc
 - numactl --cpunodebind=13 --localalloc
 - numactl --cpunodebind=14 --localalloc
 - numactl --cpunodebind=15 --localalloc
  
             | 
          
          
            | Notes | 
            
              None
             |