JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(8), jvm_TxInjector_1(8)
|
OS Image Description |
os_1
|
Tuning |
- ulimit -n 655360
- tuned-adm profile throughput-performance
- echo 15000000 > /proc/sys/kernel/sched_wakeup_granularity_ns
- echo 80000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 1000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 16 > /proc/sys/kernel/sched_nr_migrate
- echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 10000000 > /proc/sys/kernel/sched_latency_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 always > /sys/kernel/mm/transparent_hugepage/defrag
- echo always > /sys/kernel/mm/transparent_hugepage/enabled
|
Notes |
None
|
Parts of Benchmark |
Controller
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xmn1536m -Xms2g -Xmx2g
|
Tuning |
None
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-server -Xmx29g -Xms29g -Xmn27g -XX:+UseParallelGC -XX:ParallelGCThreads=32 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:+AlwaysPreTouch -XX:InlineSmallCode=10k -XX:-UseAdaptiveSizePolicy -XX:SurvivorRatio=28 -XX:MaxTenuringThreshold=15 -XX:TargetSurvivorRatio=95
|
Tuning |
numactl used to affinitize each Backend JVM to a single NUMA 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 |
-Xmn1536m -Xms2g -Xmx2g
|
Tuning |
numactl used to affinitize each TxInjector JVM to a single NUMA 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
|