JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(6), jvm_TxInjector_1(6)
|
OS Image Description |
os_1
|
Tuning |
- tuned-adm profile throughput-performance
- ulimit -n 1024000
- UserTasksMax=970000
- DefaultTasksMax=970000
- write_schedstat rt_runtime_us 950000
- write_schedstat latency_ns 150000000
- write_schedstat migration_cost_ns 80000
- write_schedstat min_granularity_ns 300000
- write_schedstat wakeup_granularity_ns 300000
- write_schedstat nr_migrate 32
- 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/vm/numa_stat
- echo 0 > /proc/sys/kernel/numa_balancing
- 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:ParallelGCThreads=2 -XX:CICompilerCount=4
|
Tuning |
Used numactl 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=95 -XX:TargetSurvivorRatio=95 -XX:ParallelGCThreads=32 -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
|
Tuning |
Used numactl to affinitize three Backend JVMs to a NUMA node - numactl --cpunodebind=0 --localalloc
- numactl --cpunodebind=0 --localalloc
- numactl --cpunodebind=0 --localalloc
- numactl --cpunodebind=1 --localalloc
- numactl --cpunodebind=1 --localalloc
- 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 |
Used numactl to affinitize three Transaction Injector JVMs to a NUMA node - numactl --cpunodebind=0 --localalloc
- numactl --cpunodebind=0 --localalloc
- numactl --cpunodebind=0 --localalloc
- numactl --cpunodebind=1 --localalloc
- numactl --cpunodebind=1 --localalloc
- numactl --cpunodebind=1 --localalloc
|
Notes |
None
|