JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(8), jvm_TxInjector_1(8)
|
OS Image Description |
os_1
|
Tuning |
- systemctl stop systemd-update-utmp-runlevel.service
- echo 0 > /proc/sys/kernel/sched_schedstats
- echo 1 > /sys/kernel/debug/sched/tunable_scaling
- echo 50000000 > /sys/kernel/debug/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 -n 131072
- ulimit -v 800000000
- ulimit -m 800000000
- ulimit -l 800000000
- tuned-adm profile throughput-performance
|
Notes |
None
|
Parts of Benchmark |
Controller
|
JVM Instance Description |
jvm_1
|
Command Line |
-server -Xms2g -Xmx2g -Xmn1536m -XX:+UseLargePages -XX:LargePageSizeInBytes=1G -XX:+UseParallelGC -XX:ParallelGCThreads=2
|
Tuning |
None
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms31744m -Xmx31744m -Xmn29696m -XX:ParallelGCThreads=28 -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
|
Tuning |
numactl used to affinitize each Backend JVM to a single memory node, eg:- numactl --cpunodebind=$node --localalloc
|
Notes |
None
|
Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-server -Xms2g -Xmx2g -Xmn1536m -XX:+UseLargePages -XX:LargePageSizeInBytes=1G -XX:+UseParallelGC -XX:ParallelGCThreads=2
|
Tuning |
numactl used to affinitize each TxInjector JVM to a single memory node, eg:- numactl --cpunodebind=$node --localalloc
|
Notes |
None
|