| 
        
        
       | 
      
        
        
             
          
            | JVM Instances | 
            
              jvm_Ctr_1(1), jvm_Backend_1(8), jvm_TxInjector_1(8)
             | 
           
          
            | OS Image Description | 
            
              os_1
             | 
           
          
            | Tuning | 
            
              - tuned-adm profile throughput-performance
 - cpupower frequency-set -g performance
 - systemctl stop systemd-update-utmp-runlevel.service
 - ulimit -n 1024000
 - echo 10000 > /proc/sys/kernel/sched_cfs_bandwidth_slice_us 
 - echo 0 > /proc/sys/kernel/sched_child_runs_first 
 - echo 56000000 > /proc/sys/kernel/sched_latency_ns 
 - echo 1000 > /proc/sys/kernel/sched_migration_cost_ns 
 - echo 16000000 > /proc/sys/kernel/sched_min_granularity_ns 
 - echo 9 > /proc/sys/kernel/sched_nr_migrate 
 - echo 100 > /proc/sys/kernel/sched_rr_timeslice_ms 
 - echo 1000000 > /proc/sys/kernel/sched_rt_period_us 
 - echo 990000 > /proc/sys/kernel/sched_rt_runtime_us
 - echo 0 > /proc/sys/kernel/sched_schedstats 
 - echo 1 > /proc/sys/kernel/sched_tunable_scaling
 - echo 50000000 > /proc/sys/kernel/sched_wakeup_granularity_ns 
 - echo 3000 > /proc/sys/vm/dirty_expire_centisecs 
 - echo 500 > /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
 - echo 300 > /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages
 - echo 300 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
 - ulimit -v 800000000
 - ulimit -m 800000000
 - ulimit -l 800000000
  
             | 
           
          
            | Notes | 
            
              None
             | 
           
               
          
            | Parts of Benchmark | 
            
              Controller
             | 
           
          
            | JVM Instance Description | 
            
              jvm_1
             | 
           
          
            | Command Line | 
            
              -Xms2g -Xmx2g -Xmn1536m -XX:+UseLargePages -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:LargePageSizeInBytes=1G
             | 
           
          
            | Tuning | 
            
              Used numactl to interleave memory on all CPUs
             | 
           
          
            | Notes | 
            
              None
             | 
           
               
          
            | Parts of Benchmark | 
            
              Backend
             | 
           
          
            | JVM Instance Description | 
            
              jvm_1
             | 
           
          
            | Command Line | 
            
              -showversion -XX:+UseParallelGC -XX:+UseLargePages -XX:+AlwaysPreTouch -XX:-UseAdaptiveSizePolicy -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=10k -XX:-UseCountedLoopSafepoints -XX:LoopUnrollLimit=20 -server -XX:TargetSurvivorRatio=99 -XX:SurvivorRatio=28 -XX:LargePageSizeInBytes=1g -XX:UseAVX=0 -Xms31744m -Xmx31744m -Xmn29696m -XX:ParallelGCThreads=32
             | 
           
          
            | Tuning | 
            
              Used numactl to affinitize each Backend JVM to 16 Cores / 32 Threads- numactl --physcpubind=0-15,128-143 --localalloc
 - numactl --physcpubind=16-31,144-159 --localalloc
 - numactl --physcpubind=32-47,160-175 --localalloc
 - numactl --physcpubind=48-63,176-191 --localalloc
 - numactl --physcpubind=64-79,192-207 --localalloc
 - numactl --physcpubind=80-95,208-223 --localalloc
 - numactl --physcpubind=96-111,224-239 --localalloc
 - numactl --physcpubind=112-127,240-255 --localalloc
  
             | 
           
          
            | Notes | 
            
              None
             | 
           
               
          
            | Parts of Benchmark | 
            
              TxInjector
             | 
           
          
            | JVM Instance Description | 
            
              jvm_1
             | 
           
          
            | Command Line | 
            
              -Xms2g -Xmx2g -Xmn1536m -XX:+UseLargePages -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:LargePageSizeInBytes=1G
             | 
           
          
            | Tuning | 
            
              Used numactl to affinitize each TxInjector JVM to 16 Cores / 32 Threads- numactl --physcpubind=0-15,128-143 --localalloc
 - numactl --physcpubind=16-31,144-159 --localalloc
 - numactl --physcpubind=32-47,160-175 --localalloc
 - numactl --physcpubind=48-63,176-191 --localalloc
 - numactl --physcpubind=64-79,192-207 --localalloc
 - numactl --physcpubind=80-95,208-223 --localalloc
 - numactl --physcpubind=96-111,224-239 --localalloc
 - numactl --physcpubind=112-127,240-255 --localalloc
  
             | 
           
          
            | Notes | 
            
              None
             | 
           
         
       |