JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(2), jvm_TxInjector_1(2)
|
OS Image Description |
os_1
|
Tuning |
- echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 100000000 > /proc/sys/kernel/sched_latency_ns
- echo 80000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 600000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 100000 > /proc/sys/kernel/sched_wakeup_granularity_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 0 > /proc/sys/vm/numa_stat
- echo always > /sys/kernel/mm/transparent_hugepage/enabled
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
|
Notes |
None
|
Parts of Benchmark |
Controller
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelGC -XX:CICompilerCount=2 -XX:ParallelGCThreads=2
|
Tuning |
Used numactl to interleave memory on all CPUs
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-server -XX:AllocatePrefetchLines=3 -XX:+UseParallelGC -XX:ParallelGCThreads=32 -XX:LargePageSizeInBytes=2m -XX:+AlwaysPreTouch -XX:+UseLargePages -Xms225g -Xmx225g -Xmn215g -XX:SurvivorRatio=28 -XX:TargetSurvivorRatio=99 -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=10k -XX:MaxGCPauseMillis=500 -XX:UseAVX=0 -XX:LoopUnrollLimit=20 -XX:AdaptiveSizeMajorGCDecayTimeScale=12 -XX:AdaptiveSizeDecrementScaleFactor=2 -XX:AllocatePrefetchDistance=384 -XX:AllocatePrefetchStepSize=128 -XX:AllocateInstancePrefetchLines=2
|
Tuning |
numactl used to affinitize each Backend JVM to a single CPU memory node - numactl --cpunodebind=$node --localalloc
|
Notes |
None
|
Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelGC -XX:CICompilerCount=2 -XX:ParallelGCThreads=2
|
Tuning |
numactl used to affinitize each TxInjector JVM to a single CPU memory node - numactl --cpunodebind=$node --localalloc
|
Notes |
None
|