JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(4), jvm_TxInjector_1(4)
|
OS Image Description |
os_1
|
Tuning |
- ulimit -n 1024000
- tuned-adm profile throughput-performance
- echo 990000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 100000 > /proc/sys/kernel/sched_latency_ns
- echo 1000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 40000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 40000000 > /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 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 |
-Xms3g -Xmx3g -Xmn2g -XX:+UseParallelGC -XX:ParallelGCThreads=1 -XX:CICompilerCount=2
|
Tuning |
Used numactl to interleave memory on all CPUs
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms31g -Xmx31g -Xmn28g -server -XX:MetaspaceSize=256m -XX:AllocatePrefetchInstr=2 -XX:LargePageSizeInBytes=2m -XX:-UsePerfData -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:+UseParallelGC -XX:SurvivorRatio=23 -XX:TargetSurvivorRatio=98 -XX:ParallelGCThreads=36 -XX:MaxTenuringThreshold=15 -XX:InitialCodeCacheSize=25m -XX:MaxInlineSize=900 -XX:FreqInlineSize=900 -XX:LoopUnrollLimit=30 -XX:LoopMaxUnroll=6 -XX:CICompilerCount=2 -XX:+UseTransparentHugePages -XX:ParGCArrayScanChunk=3584 -XX:InlineSmallCode=3000 -XX:AutoBoxCacheMax=5000
|
Tuning |
Used numactl to affinitize each Backend JVM to 36 Core / 36 Threads - numactl --physcpubind=0-35 --localalloc
- numactl --physcpubind=36-71 --localalloc
- numactl --physcpubind=72-107 --localalloc
- numactl --physcpubind=108-143 --localalloc
|
Notes |
None
|
Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms3g -Xmx3g -Xmn2g -XX:+UseParallelGC -XX:ParallelGCThreads=1 -XX:CICompilerCount=2
|
Tuning |
Used numactl to affinitize each Transaction Injector JVM to 36 Core / 36 Threads - numactl --physcpubind=0-35 --localalloc
- numactl --physcpubind=36-71 --localalloc
- numactl --physcpubind=72-107 --localalloc
- numactl --physcpubind=108-143 --localalloc
|
Notes |
None
|