| 
        
        
       | 
      
        
        
             
          
            | JVM Instances | 
            
              jvm_Ctr_1(1), jvm_Backend_1(4), jvm_TxInjector_1(4)
             | 
           
          
            | OS Image Description | 
            
              os_1
             | 
           
          
            | Tuning | 
            
              - ulimit -n 655360
 - tuned-adm profile throughput-performance
 - echo 15000000 > /proc/sys/kernel/sched_wakeup_granularity_ns
 - echo 80000000 > /proc/sys/kernel/sched_min_granularity_ns
 - echo 1000 > /proc/sys/kernel/sched_migration_cost_ns
 - echo 16 > /proc/sys/kernel/sched_nr_migrate
 - echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
 - echo 10000000 > /proc/sys/kernel/sched_latency_ns
 - echo 10000 > /proc/sys/vm/dirty_expire_centisecs
 - echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
 - echo 40 > /proc/sys/vm/dirty_ratio
 - echo 10 > /proc/sys/vm/dirty_background_ratio
 - echo 10 > /proc/sys/vm/swappiness
 - echo 0 > /proc/sys/kernel/numa_balancing
 - 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 | 
            
              -Xmn1536m -Xms2g -Xmx2g
             | 
           
          
            | Tuning | 
            
              None
             | 
           
          
            | Notes | 
            
              None
             | 
           
               
          
            | Parts of Benchmark | 
            
              Backend
             | 
           
          
            | JVM Instance Description | 
            
              jvm_1
             | 
           
          
            | Command Line | 
            
              -server -Xmx29g -Xms29g -Xmn27g -XX:+UseParallelGC -XX:ParallelGCThreads=32 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:+AlwaysPreTouch -XX:InlineSmallCode=10k -XX:-UseAdaptiveSizePolicy -XX:SurvivorRatio=28 -XX:MaxTenuringThreshold=15 -XX:TargetSurvivorRatio=95 -XX:AllocatePrefetchInstr=2
             | 
           
          
            | 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
  
             | 
           
          
            | Notes | 
            
              None
             | 
           
               
          
            | Parts of Benchmark | 
            
              TxInjector
             | 
           
          
            | JVM Instance Description | 
            
              jvm_1
             | 
           
          
            | Command Line | 
            
              -Xmn1536m -Xms2g -Xmx2g
             | 
           
          
            | 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
  
             | 
           
          
            | Notes | 
            
              None
             | 
           
         
       |