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JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(16), jvm_TxInjector_1(16)
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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 960000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 40000000 > /proc/sys/kernel/sched_latency_ns
- echo 40000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 800000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 200000000 > /proc/sys/kernel/sched_wakeup_granularity_ns
- echo 9000 > /proc/sys/kernel/sched_nr_migrate
- 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 2097152 > /proc/sys/vm/max_map_count
- echo 0 > /proc/sys/kernel/numa_balancing
- echo 0 > /proc/sys/vm/numa_stat
- 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
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Command Line |
-Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:-UseDynamicNumberOfCompilerThreads -XX:-UseDynamicNumberOfGCThreads
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Tuning |
None
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Notes |
Used numactl to interleave memory on all CPUs
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Parts of Benchmark |
Backend
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JVM Instance Description |
jvm_1
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Command Line |
-Xms32736M -Xmx32736M -Xmn30736M -XX:AllocatePrefetchInstr=2 -XX:+UseParallelGC -XX:ParallelGCThreads=16 -XX:-UseDynamicNumberOfCompilerThreads -XX:-UseDynamicNumberOfGCThreads -XX:LargePageSizeInBytes=2m -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:SurvivorRatio=28 -XX:TargetSurvivorRatio=95 -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=11k -XX:MaxGCPauseMillis=300 -XX:LoopUnrollLimit=200 -XX:AdaptiveSizeMajorGCDecayTimeScale=12 -XX:AdaptiveSizeDecrementScaleFactor=2 -XX:+UseTransparentHugePages -XX:+UseUnalignedLoadStores -XX:-UseFastStosb -XX:+UseXMMForArrayCopy -XX:+UseXMMForObjInit -XX:+UseFPUForSpilling -XX:TLABAllocationWeight=15 -XX:ThreadStackSize=512 -XX:TLABSize=4m -XX:CompileThresholdScaling=50
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Tuning |
None
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Notes |
Used numactl to affinitize each Backend JVM to 8 Core / 16 Threads - Group1: --physcpubind=0-7,128-135 --localalloc
- Group2: --physcpubind=8-15,136-143 --localalloc
- Group3: --physcpubind=16-23,144-151 --localalloc
- Group4: --physcpubind=24-31,152-159 --localalloc
- Group5: --physcpubind=32-39,160-167 --localalloc
- Group6: --physcpubind=40-47,168-175 --localalloc
- Group7: --physcpubind=48-55,176-183 --localalloc
- Group8: --physcpubind=56-63,184-191 --localalloc
- Group9: --physcpubind=64-71,192-199 --localalloc
- Group10: --physcpubind=72-79,200-207 --localalloc
- Group11: --physcpubind=80-87,208-215 --localalloc
- Group12: --physcpubind=88-95,216-223 --localalloc
- Group13: --physcpubind=96-103,224-231 --localalloc
- Group14: --physcpubind=104-111,232-239 --localalloc
- Group15: --physcpubind=112-119,240-247 --localalloc
- Group16: --physcpubind=120-127,248-255 --localalloc
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Parts of Benchmark |
TxInjector
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JVM Instance Description |
jvm_1
|
Command Line |
-Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:-UseDynamicNumberOfCompilerThreads -XX:-UseDynamicNumberOfGCThreads
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Tuning |
None
|
Notes |
Used numactl to affinitize each Transaction Injector JVM to 8 Core / 16 Threads - Group1: --physcpubind=0-7,128-135 --localalloc
- Group2: --physcpubind=8-15,136-143 --localalloc
- Group3: --physcpubind=16-23,144-151 --localalloc
- Group4: --physcpubind=24-31,152-159 --localalloc
- Group5: --physcpubind=32-39,160-167 --localalloc
- Group6: --physcpubind=40-47,168-175 --localalloc
- Group7: --physcpubind=48-55,176-183 --localalloc
- Group8: --physcpubind=56-63,184-191 --localalloc
- Group9: --physcpubind=64-71,192-199 --localalloc
- Group10: --physcpubind=72-79,200-207 --localalloc
- Group11: --physcpubind=80-87,208-215 --localalloc
- Group12: --physcpubind=88-95,216-223 --localalloc
- Group13: --physcpubind=96-103,224-231 --localalloc
- Group14: --physcpubind=104-111,232-239 --localalloc
- Group15: --physcpubind=112-119,240-247 --localalloc
- Group16: --physcpubind=120-127,248-255 --localalloc
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