JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(2), jvm_TxInjector_1(2)
|
OS Image Description |
os_1
|
Tuning |
- tuned-adm profile=throughput-performance
- ulimit -l 800000000
- ulimit -m 800000000
- ulimit -v 800000000
- ulimit -n 819200
- ulimit -s 819200
- echo 10000 > /proc/sys/vm/dirty_expire_centisecs
- echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
- echo 990000 > /proc/sys/kernel/sched_rt_runtime_us
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
- echo 1000 > /proc/sys/kernel/sched_migration_cost_ns
- systemctl stop systemd-update-utmp-runlevel.service
|
Notes |
None
|
Parts of Benchmark |
Controller
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelOldGC
|
Tuning |
None
|
Notes |
numactl --interleave=all
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-showversion -server -XX:AllocatePrefetchInstr=2 -XX:LargePageSizeInBytes=2m -XX:-UsePerfData -XX:+AggressiveOpts -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:-UseBiasedLocking -XX:+UseLargePages -XX:+UseParallelOldGC -Xms30g -Xmx30g -Xmn28g -XX:SurvivorRatio=28 -XX:TargetSurvivorRatio=95 -XX:ParallelGCThreads=28 -XX:MaxTenuringThreshold=15 -Xnoclassgc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+UseRTMLocking -XX:InlineSmallCode=10k -XX:+UseRTMDeopt
|
Tuning |
None
|
Notes |
Used numactl to affinitize each Backend JVM to physical cores in a NUMA node. - numactl --physcpubind=0-13,28-41 --membind=0
- numactl --physcpubind=14-27,42-55 --membind=1
|
Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelOldGC
|
Tuning |
None
|
Notes |
Used numactl to affinitize each Transaction Injector JVM to a physical core in a NUMA node. - numactl --physcpubind=0 --membind=0
- numactl --physcpubind=14 --membind=1
|