JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(8), jvm_TxInjector_1(8)
|
OS Image Description |
os_1
|
Tuning |
- ulimit -n 131072
- echo 10000 > /proc/sys/kernel/sched_cfs_bandwidth_slice_us
- echo 0 > /proc/sys/kernel/sched_child_runs_first
- echo 16000000 > /proc/sys/kernel/sched_latency_ns
- echo 1000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 21000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 21000000 > /proc/sys/kernel/sched_min_granularity_ns
- 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 0 > /proc/sys/kernel/numa_balancing
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
- echo always > /sys/kernel/mm/transparent_hugepage/enabled
- ulimit -v 800000000
- ulimit -m 800000000
- ulimit -l 800000000
- echo 300 > /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages
- cpupower -c all frequency-set -g performance
|
Notes |
None
|
Parts of Benchmark |
Controller
|
JVM Instance Description |
jvm_1
|
Command Line |
-server -Xms2g -Xmx2g -Xmn1536m -XX:UseAVX=0 -XX:+UseLargePages XX:LargePageSizeInBytes=1G -XX:+UseParallelGC -XX:ParallelGCThreads=2
|
Tuning |
numactl used to interleave the controller amongst all available nodes, eg:
|
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=28
|
Tuning |
numactl used to affinitize each Backend JVM to a single memory node, eg: - numactl --cpunodebind=0 --localalloc
- numactl --cpunodebind=1 --localalloc
- numactl --cpunodebind=2 --localalloc
- numactl --cpunodebind=3 --localalloc
- numactl --cpunodebind=4 --localalloc
- numactl --cpunodebind=5 --localalloc
- numactl --cpunodebind=6 --localalloc
- numactl --cpunodebind=7 --localalloc
|
Notes |
None
|
Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-server -Xms2g -Xmx2g -Xmn1536m -XX:UseAVX=0 -XX:+UseLargePages XX:LargePageSizeInBytes=1G -XX:+UseParallelGC -XX:ParallelGCThreads=2
|
Tuning |
numactl used to affinitize each TxInjector JVM to a single memory node, eg: - numactl --cpunodebind=0 --localalloc
- numactl --cpunodebind=1 --localalloc
- numactl --cpunodebind=2 --localalloc
- numactl --cpunodebind=3 --localalloc
- numactl --cpunodebind=4 --localalloc
- numactl --cpunodebind=5 --localalloc
- numactl --cpunodebind=6 --localalloc
- numactl --cpunodebind=7 --localalloc
|
Notes |
None
|