JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(8), jvm_TxInjector_1(8)
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OS Image Description |
os_1
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Tuning |
- cpupower -c all frequency-set -g performance
- tuned-adm profile throughput-performance
- echo 40000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 15000000 > /proc/sys/kernel/sched_wakeup_granularity_ns
- echo 1000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 990000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 100000 > /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/enabled
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
- ulimit -n 1024000
- UserTasksMax=970000
- DefaultTasksMax=970000
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Notes |
None
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Parts of Benchmark |
Controller
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JVM Instance Description |
jvm_1
|
Command Line |
-Xms3g -Xmx3g -Xmn2g -XX:+UseParallelGC -XX:ParallelGCThreads=1 -XX:CICompilerCount=2
|
Tuning |
None
|
Notes |
Used numactl to interleave memory on all CPUs
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms31g -Xmx31g -Xmn29g -server -XX:MetaspaceSize=256m -XX:AllocatePrefetchInstr=2 -XX:LargePageSizeInBytes=2m -XX:-UsePerfData -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:+UseParallelGC -XX:SurvivorRatio=25 -XX:TargetSurvivorRatio=98 -XX:ParallelGCThreads=16 -XX:MaxTenuringThreshold=15 -XX:InitialCodeCacheSize=25m -XX:MaxInlineSize=900 -XX:FreqInlineSize=900 -XX:LoopUnrollLimit=30 -XX:LoopMaxUnroll=6 -XX:CICompilerCount=6 -XX:+UseTransparentHugePages -XX:ParGCArrayScanChunk=3584 -XX:InlineSmallCode=3000 -XX:AutoBoxCacheMax=5000
|
Tuning |
None
|
Notes |
Used numactl to affinitize each Backend JVM to one NUMA node - numactl --cpunodebind=0 --membind=0
- numactl --cpunodebind=1 --membind=1
- numactl --cpunodebind=2 --membind=2
- numactl --cpunodebind=3 --membind=3
- numactl --cpunodebind=4 --membind=4
- numactl --cpunodebind=5 --membind=5
- numactl --cpunodebind=6 --membind=6
- numactl --cpunodebind=7 --membind=7
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Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms3g -Xmx3g -Xmn2g -XX:+UseParallelGC -XX:ParallelGCThreads=1 -XX:CICompilerCount=2
|
Tuning |
None
|
Notes |
Used numactl to affinitize each Transaction Injector JVM to one NUMA node - numactl --cpunodebind=0 --membind=0
- numactl --cpunodebind=1 --membind=1
- numactl --cpunodebind=2 --membind=2
- numactl --cpunodebind=3 --membind=3
- numactl --cpunodebind=4 --membind=4
- numactl --cpunodebind=5 --membind=5
- numactl --cpunodebind=6 --membind=6
- numactl --cpunodebind=7 --membind=7
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