JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(6), jvm_TxInjector_1(6)
|
OS Image Description |
os_1
|
Tuning |
- echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 150000000 > /sys/kernel/debug/sched/latency_ns
- echo 300000 > /sys/kernel/debug/sched/min_granularity_ns
- echo 80000 > /sys/kernel/debug/sched/migration_cost_ns
- echo 300000 > /sys/kernel/debug/sched/wakeup_granularity_ns
- echo 32 > /sys/kernel/debug/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 10 > /proc/sys/vm/swappiness
- echo 0 > /proc/sys/kernel/numa_balancing
- echo 0 > /proc/sys/vm/numa_stat
- ulimit -n 1024000
- ulimit -v 800000000
- ulimit -m 800000000
- ulimit -l 800000000
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
- echo always > /sys/kernel/mm/transparent_hugepage/enabled
- echo 0 > /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages
- echo 0 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
|
Notes |
None
|
Parts of Benchmark |
Controller
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:CICompilerCount=4
|
Tuning |
numactl used to interleave memory on all CPUs
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms120g -Xmx120g -Xmn118g -server -XX:MetaspaceSize=256m -XX:AllocatePrefetchInstr=2 -XX:LargePageSizeInBytes=2m -XX:-UsePerfData -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:+UseParallelGC -XX:SurvivorRatio=50 -XX:TargetSurvivorRatio=90 -XX:ParallelGCThreads=60 -XX:MaxTenuringThreshold=15 -XX:InitialCodeCacheSize=25m -XX:InlineSmallCode=10k -XX:MaxGCPauseMillis=200 -XX:+UseCompressedOops -XX:ObjectAlignmentInBytes=32 -XX:+UseTransparentHugePages -XX:TLABAllocationWeight=55 -XX:ThreadStackSize=512 -XX:CompileThresholdScaling=120 -XX:+OptoScheduling
|
Tuning |
numactl used to affinitize 3 Backend JVM to a single Numa node - Group 1 : numactl --cpunodebind=0 --localalloc
- Group 2 : numactl --cpunodebind=1 --localalloc
- Group 3 : numactl --cpunodebind=0 --localalloc
- Group 4 : numactl --cpunodebind=1 --localalloc
- Group 5 : numactl --cpunodebind=0 --localalloc
- Group 6 : numactl --cpunodebind=1 --localalloc
|
Notes |
None
|
Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:CICompilerCount=4
|
Tuning |
numactl used to affinitize 3 TxInjector JVM to a single Numa node - Group 1 : numactl --cpunodebind=0 --localalloc
- Group 2 : numactl --cpunodebind=1 --localalloc
- Group 3 : numactl --cpunodebind=0 --localalloc
- Group 4 : numactl --cpunodebind=1 --localalloc
- Group 5 : numactl --cpunodebind=0 --localalloc
- Group 6 : numactl --cpunodebind=1 --localalloc
|
Notes |
None
|